Teledyne Princeton Instruments Lansis System Manual Download

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EAR99

Technology

Subject

Restrictions

Contained

the

Cover

Page.

Table of Contents

Chapter 1:

About this Document. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.1

Intended Audience. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.2

Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.3

Document Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.4

Safety Related Symbols Used in this Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.5

Lansis Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.6

Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Chapter 2:

Lansis Camera System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.1

Lansis Camera . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.1.1

eXcelon

® . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.1.2

Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.1.3

CCD Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.1.4

Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.1.4.1

Internal Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.1.4.2

External Cooling Circulator . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.1.4.3

Coolant Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.1.5

Rear-Panel Connectors and Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.2

Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.3

Certificate of Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.4

Application Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.5

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.5.1

External Shutters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.6

Unpack the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.6.1

Verify Equipment and Parts Inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.7

Lansis Camera and System Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.7.1

Camera . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.7.2

Optical Surfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.7.3

Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Chapter 3:

Install LightField . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

3.1

Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.2

Installation Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Chapter 4:

System Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Chapter 5:

Hardware Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

5.1

Spectrograph Adapters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

5.2

Overexposure Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

5.3

External Chiller Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5.3.1

Experiment Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Chapter 6:

LightField First Light. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

6.1

Set Up and Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.1.1

Data Acquisition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

6.2

System Shutdown. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Summary of Contents for Princeton Instruments Lansis

Page 1: ...nd Disclosure of Data Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited Lansis System Manual 4411 0174 Issue 2 July 19 2022 ...

Page 2: ...The information in this publication is believed to be accurate as of the publication release date However Teledyne Princeton Instruments does not assume any responsibility for any consequences including any damages resulting from the use thereof The information contained herein is subject to change without notice Revision of this publication may be issued to incorporate such change Copyright 2017 ...

Page 3: ...ar Panel Connectors and Indicators 18 2 2 Cables 19 2 3 Certificate of Performance 19 2 4 Application Software 20 2 5 Accessories 21 2 5 1 External Shutters 21 2 6 Unpack the System 21 2 6 1 Verify Equipment and Parts Inventory 21 2 7 Lansis Camera and System Maintenance 22 2 7 1 Camera 22 2 7 2 Optical Surfaces 22 2 7 3 Repairs 22 Chapter 3 Install LightField 23 3 1 Prerequisites 23 3 2 Installat...

Page 4: ... No Response 53 9 2 1 2 Start on Single Trigger 56 9 2 1 3 Readout Per Trigger 58 9 2 1 4 Expose During Trigger Pulse 62 9 2 2 Trigger Determined By 65 9 3 Trigger Out 66 Chapter 10 Binning 67 10 1 Hardware Binning 67 10 2 Software Binning 69 Chapter 11 Shutter Control 71 11 1 Configuration 71 11 1 1 Mode 71 11 1 2 Opening Delay 72 11 1 3 Closing Delay 72 11 2 Using an External Shutter 73 Appendix...

Page 5: ...tion of Cooling Capability 92 E 2 4 External Chiller Low Coolant Air in the Hoses 92 E 3 LightField Faults Errors 93 E 3 1 Devices Missing 93 E 3 2 Device is Occupied 94 E 3 3 Acquisition Started but Viewer Display Does Not Update 94 Warranty and Service 97 Limited Warranty 97 Basic Limited One 1 Year Warranty 97 Limited One 1 Year Warranty on Refurbished or Discontinued Products 97 XP Vacuum Cham...

Page 6: ...6 Lansis System Manual Issue 1 EAR99 Technology Subject to Restrictions Contained on the Cover Page ...

Page 7: ...mation on page 100 for complete contact information 1 1 Intended Audience This user manual is intended to be used by scientists and other personnel responsible for the installation setup configuration and acquisition of imaging data collected using a Lansis system This document provides all information necessary to safely install configure and operate the Lansis beginning with the system s initial...

Page 8: ...s information about the installation and configuration of system hardware Chapter 6 LightField First Light This chapter provides a step by step procedure for placing a Lansis camera system in operation for the first time when using Teledyne Princeton Instruments LightField 64 bit data acquisition software Chapter 7 Exposure This chapter discusses the various factors that affect the signal acquired...

Page 9: ...sis Contact information is also provided 1 4 Safety Related Symbols Used in this Manual The following safety symbols are used throughout this manual CAUTION A Caution provides detailed information about actions and or hazards that may result in damage to the equipment being used including but not limited to the possible loss of data WARNING A Warning provides detailed information about actions and...

Page 10: ... outlet is damaged the protective grounding could be disconnected Do not use damaged equipment until its safety has been verified by authorized personnel Disconnecting the protective earth terminal inside or outside the apparatus or any tampering with its operation is also prohibited Inspect the supplied power cord If it is not compatible with the power socket replace the cord with one that has su...

Page 11: ... the camera system be sure to turn the camera power ON LAST and turn the camera power OFF FIRST 3 Use caution when triggering high current switching devices near the system e g an arc lamp The CCD can be permanently damaged by transient voltage spikes If electrically noisy devices are present an isolated conditioned power line or dedicated isolation transformer is highly recommended 4 Do not block...

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Page 13: ...onents Standard items for a typical air cooled system include Standard items for a typical liquid cooled system include Lansis Camera Power Supply and Cable USB3 Interface Cable MCX to BNC Adapter Cablesa Certificate of Performance Data Acquisition Software and Hardware Key a Length May Vary Lansis Camera Power Supply and Cable USB3 Interface Cable MCX to BNC Adapter Cablesa a Length May Vary Exte...

Page 14: ...est ROI selection and binning all under software control It also provides advanced triggered operation as well as programmable TTL output Among the many state of the art features are its maintenance free permanent vacuum integrated controller deep thermoelectric air cooling and compact design 2 1 1 eXcelon eXcelon is a CCD EMCCD sensor technology jointly developed by Teledyne Princeton Instruments...

Page 15: ...t Information on page 100 for complete information The receptacle on the power supply should be compatible with the line voltage line cords in common use in the region to which the system is shipped If the power supply receptacle is incompatible a compatible adapter should be installed on the line cord taking care to maintain the proper polarity to protect the equipment and assure user safety Figu...

Page 16: ...circulating air then vents out through slots on the side panels By default the fan is always in operation and air cooling of both the CCD and the internal electronics occurs continuously In most cases the low vibration fan action does not adversely affect image acquisition However in some applications the fan s vibration could reduce image quality In these instances the internal fan can be disable...

Page 17: ...heat buildup 2 1 4 3 Coolant Ports The liquid cooled model of the Lansis camera is equipped with cooling ports that allow it to be connected to an external chiller As is the case with circulating air circulating coolant removes heat produced by the camera This means of heat removal is designed for vibration free data acquisition For the circulating coolant to function properly free air circulation...

Page 18: ...l input with a 10 k pull up resistor Allows data acquisition and readout to be synchronized with external events Positive or negative edge triggering is programmable CAUTION Do not apply a voltage greater than 5 0 VDC or less than 0 VDC i e a negative voltage to this input Doing so may permanently damage the Lansis camera OUT1 0 to 5 0 VDC programmable TTL compatible logic level output This output...

Page 19: ...tem perature error the FPGA turned off the TEC Sup ply This should allow the heat sink to cool If when the heatsink cools enough the FPGA will set the LED back to green or off and re enable the TEC supply Red Blinking Critical Board Temperature TEC remains driven This will automatically clear if the board tem perature goes down to an acceptable level Yellow Solid TEC power supply has a failure Red...

Page 20: ...dyne Princeton Instruments cameras and spectrographs with easy to use tools for experimental setup data acquisition and post processing LightField makes data integrity priority 1 via automatic saving to disk time stamping and retention of both raw and corrected data with full experimental details saved in each file LightField works seamlessly in multi user facilities remembering each user s hardwa...

Page 21: ... When unpacking the system examine the system components for any signs of shipping damage If there are any notify Teledyne Princeton Instruments immediately and file a claim with the carrier Be sure to save the shipping carton for inspection by the carrier If damage is not apparent but system specifications cannot be achieved internal damage may have occurred in shipment Retain all original packin...

Page 22: ...on which they are used 2 7 2 Optical Surfaces As a good practice the camera must be closed capped off with the supplied dust cover or lens cap when not in use If it becomes necessary to clean the optical window due to the accumulation of atmospheric dust we advise that the drag wipe technique be used This involves dipping a clean cellulose lens tissue into clean anhydrous methanol and then draggin...

Page 23: ...8 10 64 bit The host computer supports USB3 If it does not support USB3 refer to the host computer manufacturer s instructions for installing a USB3 interface card The installation media and hardware key are available 3 2 Installation Procedure Perform the following procedure to install LightField on the host computer 1 Insert the LightField Installation media on the host computer and follow the o...

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Page 25: ...rams of typical system configurations Figure 4 1 Block Diagram Typical Air Cooled Experiment Figure 4 2 Block Diagram Typical Liquid Cooled Experiment 4411 0174_0013 POWER SUPPLY 100 240 VAC USB CABLE CAMERA SPECTROMETER SAMPLE CIRCULAR CONNECTOR 100 240 VAC COOLANT COOLANT COOLANT HOSES FOR OPTIONAL EXTERNAL SHUTTER COOLANT CIRCULATOR ...

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Page 27: ...tion Refer to Contact Information on page 100 for complete contact information 5 2 Overexposure Protection Cameras that are exposed to room light or other strong light sources can become saturated This most often occurs when operating without a shutter or with the shutter locked open When LANSIS is mounted to a spectrograph with high incoming light close the entrance slit of the spectrograph to a ...

Page 28: ...ere are no kinks in hoses that may impede coolant flow Lack of sufficient flow can seriously harm the detector Any resulting damage is not covered under warranty NOTE Although there are no dedicated IN or OUT coolant ports on a Lansis camera Teledyne Princeton Instruments recommends that the lower port depending on the camera s physical orientation be used for the coolant inlet for best efficiency...

Page 29: ...ses or adding more coolant to the reservoir Turn the circulator back on Recheck and if there are no problems proceed to step 9 9 Turn on the camera 10 Launch LightField 5 3 1 Experiment Shutdown Following the completion of a liquid cooled experiment perform the following procedure 1 Turn off the Lansis camera s power supply 2 Turn off the chiller according to all manufacturer supplied documentatio...

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Page 31: ...erations regarding experiment setup and equipment configuration are addressed in the LightField Online Help During data acquisition the CCD array is exposed to a source and charge accumulates in the pixels After the defined exposure time the accumulated signal is readout of the array digitized and then transferred to the host computer Upon data transfer the data are displayed and or stored via the...

Page 32: ...of data can be saved by configuring the Number of Frames to 1 and clicking Acquire rather than Stop Preview mode is particularly convenient for familiarization and configuration For ease in focusing the screen refresh rate should be as quick as possible achieved by operating with axes and cross sections off and with Zoom 1 1 selected Acquire Acquire mode is typically used for the collection and st...

Page 33: ...rescent overhead lamps have good calibration lines as well If there are no line sources available it is possible to use a broadband source such as tungsten for the alignment If this is the case use a wavelength setting of 0 0 nm for alignment purposes CAUTION Overexposure Protection Cameras that are exposed to room light or other continuous light sources will quickly become saturated If the camera...

Page 34: ...r expander in which the desired temperature can be configured NOTE Each Lansis camera is carefully calibrated at the factory for optimum performance at low CCD temperatures If operated at warmer temperatures such as during system cool down or if the temperature set point is set warmer than the factory calibrated temperature the camera might not image properly Artifacts in the image fixed value pix...

Page 35: ...ignals from the Lansis verify that the cables are connected properly and the camera output signals are correctly configured 13 For additional assistance contact Customer Support Refer to Contact Information on page 100 for complete information 6 1 1 Data Acquisition Perform the following procedure to acquire live data 1 After the system has been aligned and focused stop the camera 2 Make any requi...

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Page 37: ...At the end of the exposure time the CCD is readout and depending on the specific experiment configuration The next exposure begins i e when configured for Free Run mode Cleaning starts and continues until an incoming trigger is received i e when configured for Trigger mode Lansis requires an external shutter in order to control exposure of its CCD Figure 7 1 illustrates how the exposure period is ...

Page 38: ...emperature When the camera s temperature has cooled to within 0 5 C of the programmed setpoint Locked is displayed to the right of the target temperature in LightField s status bar At this point Lansis s control loop will continue to reduce the thermal error typically holding the temperature to within 0 05 C of the programmed setpoint The time required to achieve lock may vary considerably dependi...

Page 39: ...a sudden change in the baseline signal is observed there may be excessive humidity in the camera vacuum enclosure Turn off the camera and contact Teledyne Princeton Instruments Customer Support Refer to Contact Information on page 100 for complete contact information Do not be concerned about the DC level of this background This is not noise but rather a subtractable bias pattern By acquiring savi...

Page 40: ...oise will be 1 414 NR which is an increase of 41 over the baseline readout noise This value is calculated as follows Refer to Table 7 1 for typical noise penalty figures as a percentage of readout noise NR Table 7 1 Readout Noise Penalty vs Number of Acquired Frames Number of Acquired Frames F Noise Penaltya a Expressed as a percentage of R 1 41 4 12 8 6 16 3 NRT NR 2 NR 2 F NR 2 NR 2 F NR 2 NR 2 ...

Page 41: ...ENCES For information about the use and configuration of external triggers refer to Section 9 2 Experiment Timing on page 51 for Full Frame Mode Figure 7 2 illustrates a flowchart of this mode Figure 7 2 Flowchart Clean Until Trigger 4411 0174_0026 SHUTTER OPEN BEFORE TRIGGER SHUTTER NORMAL SHUTTER OPENS CCD IS CONTINUOUSLY SHUTTER REMAINS OPEN SYSTEM WAITS WHILE DATA IS READ OUT SHUTTER OPENS CLE...

Page 42: ...Diagram Clean Until Trigger Normal Shutter Mode 7 3 1 2 Open Before Trigger Mode With Open Before Trigger shutter mode the shutter is opened at the beginning of Clean Until Trigger As with Normal mode once the incoming Trigger pulse has been received cleaning of the array stops as soon as the current cleaning pattern has been completed and shifted Because the incoming trigger is not synchronous wi...

Page 43: ...nction of the signal duration compared to the single vertical shift time 7 4 Saturation When signal levels in some part of the image are very high charge generated in one pixel may exceed the well capacity of the pixel spilling over into adjacent pixels in a process called blooming In this case a shorter exposure is advisable with signal averaging to enhance S N Signal to Noise ratio accomplished ...

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Page 45: ... Digital Conversion Expander The following sections describe the impact each of these parameters has on acquired image data 8 1 Digitization After gain has been applied to the signal the Analog to Digital Converter ADC converts analog information continuous amplitudes into digital data quantified discrete steps that can be read displayed and stored by the application software The number of bits pe...

Page 46: ...ange in the baseline signal is observed there may be excessive humidity in the camera vacuum enclosure Turn off the camera and contact Teledyne Princeton Instruments Customer Support Refer to Contact Information on page 100 for complete information NOTES 1 It is important to note that the bias level is not noise It is a fully subtractable readout pattern Every device has been thoroughly tested to ...

Page 47: ...ons particularly when high level signals are being digitized Although this setting may be used with non binned modes the CCD single pixel well typically will not reach ADC saturation when applying Low gain High Applications that consistently measure low level signals should select this gain setting since it requires fewer electrons to generate each ADU Additionally this setting can reduce some sou...

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Page 49: ... individually Figure 9 1 illustrates a CCD array following exposure but prior to the beginning of readout NOTE Capital letters represent different amounts of accumulated charge both desired signal and dark charge Figure 9 1 Full Frame Readout Unshifted CCD Charge A1 B1 C1 F1 D1 E1 A2 B2 C2 D2 E2 F2 A3 B3 C3 D3 E3 F3 A4 B4 C4 D4 E4 F4 A5 B5 C5 D5 E5 F5 B6 C6 A6 F6 D6 E6 Amplifier CCD Image Area Out...

Page 50: ...de where it is then digitized See Figure 9 3 Figure 9 3 Full Frame Readout One Pixel of Charge Shifted to Output Node Once the charge within all of the Shift Register s pixels has been shifted out and digitized the next row of charge is shifted vertically into the shift register where it is then shifted pixel by pixel into the Output Node and digitized This process continues until all accumulated ...

Page 51: ... is the number of columns within the CCD For example if a CCD is 2048 columns wide Nx 1024 ti is the time needed to shift one line into the shift register tpix is the time needed to process one pixel A subsection of the CCD can be read out at full resolution sometimes dramatically increasing the readout rate while retaining the highest resolution in the Region of Interest ROI To approximate the re...

Page 52: ...Trigger In expander Figure 9 4 Trigger In Expander Depending on the specific experiment two parameters are used to configure Lansis s response to an incoming trigger pulse Trigger Response Trigger Determined By Information about the configuration and use of each of these parameters is described in the following sections 4411 0174_0030 ...

Page 53: ... be used texp exposure time tO shutter opening delay tC shutter closing delay tR data readout time 9 2 1 1 No Response When No Response is selected incoming trigger pulses are ignored This mode is typically used for experiments incorporating a constant light source e g a CW laser DC lamp Other experiments that can use this mode are high repetition studies where the number of light impulses occurri...

Page 54: ...igure 9 6 illustrates the timing diagram for No Response mode combined with Always Closed shutter mode Figure 9 6 Full Frame Timing Diagram No Response Always Closed This mode is primarily used when acquiring a dark reference file However Lansis typically runs at such a low temperature that a dark reference file is often unnecessary EXPOSE tO tC SHUTTER Normal tO READOUT tR ACQUIRE Pgm d Cleans te...

Page 55: ...bined with Always Open shutter mode Figure 9 7 Full Frame Timing Diagram No Response Always Open This mode is typically used when an experiment does not support waiting for the shutter to open Ideally the only light generated by the experiment is the signal of interest e g a dark chamber with a spark discharge EXPOSE SHUTTER Always Open READOUT tR ACQUIRE Pgm d Cleans texp 4411 0174_0010 ...

Page 56: ...itter is introduced into the system Refer to Section 7 3 1 Clean Until Trigger on page 41 for additional information 2 In all timing diagrams Trigger Determined By Rising Edge is illustrated 9 2 1 2 1 Normal Figure 9 8 illustrates the timing diagram for Start on Single Trigger mode combined with Normal shutter mode NOTE In Figure 9 8 jitter associated with the cleaning pattern is omitted for clari...

Page 57: ... 2 3 Always Open Figure 9 10 illustrates the timing diagram for Start on Single Trigger mode combined with Always Open shutter mode Figure 9 10 Full Frame Timing Diagram Start on Single Trigger Always Open This mode is typically used when an experiment does not support waiting for the shutter to open Ideally the only light generated by the experiment is the signal of interest e g a dark chamber wi...

Page 58: ...e Rising Edge or Falling Edge of the trigger pulse which is configured using the Trigger Determined By parameter on the Trigger In expander Refer to Section 9 2 2 Trigger Determined By on page 65 for complete information Supported Shutter modes are Normal Always Closed Always Open Open Before Trigger The effect each of these shutter modes has on experiment synchronization is described in the follo...

Page 59: ...er pulse from the experiment must precede the start of data acquisition by at least this length of time If it does not the shutter may not be completely open throughout the duration of the desired data acquisition and data acquisition may even be missed completely Since the amount of time from initialization of the experiment to the first trigger pulse is not fixed an accurate background subtracti...

Page 60: ... the timing diagram for Readout Per Trigger mode combined with Always Open shutter mode Figure 9 14 Full Frame Timing Diagram Readout Per Trigger Always Open This mode is typically used when an experiment does not support waiting for the shutter to open Ideally the only light generated by the experiment is the signal of interest e g a dark chamber with a spark discharge Open Before Trigger is clos...

Page 61: ...r intervals and continuous cleaning is enabled then depending on the specific cleaning pattern used most of the average background light can be removed except for noise attributed to jitter refer to Section 7 3 1 Clean Until Trigger on page 41 If a short cleaning pattern is used not all ambient light will be removed since only a portion of the CCD will be cleaned on each pattern and the result is ...

Page 62: ...d By Rising Edge is illustrated NOTES 1 When Clean Until Trigger is enabled an inherent jitter is introduced into the system Refer to Section 7 3 1 Clean Until Trigger on page 41 for additional information 2 In all timing diagrams Trigger Determined By Rising Edge is illustrated 9 2 1 4 1 Normal Figure 9 16 illustrates the timing diagram for Expose During Trigger mode combined with Normal shutter ...

Page 63: ...ustrates the timing diagram for Expose During Trigger Pulse mode combined with Always Open shutter mode Figure 9 18 Timing Diagram Expose During Trigger Always Open This mode is typically used when an experiment does not support waiting for the shutter to open Ideally the only light generated by the experiment is the signal of interest e g a dark chamber with a spark discharge Open Before Trigger ...

Page 64: ...19 illustrates the timing diagram for Expose During Trigger Pulse mode combined with Open Before Trigger shutter mode Figure 9 19 Timing Diagram Expose During Trigger Open Before Trigger TRIGGER EXPOSE READOUT tO tC SHUTTER Open Before Trigger Wait For Trigger WFT tO ACQUIRE Clean Until Trigger Pgm d Cleans If Enabled tR texp 4411 0174_0075 ...

Page 65: ... During Trigger Pulse mode Exposure begins on the Rising Edge of each incoming trigger pulse Exposure ends on the Falling Edge of the respective trigger pulse The timing diagrams in Section 9 2 1 4 Expose During Trigger Pulse on page 62 illustrate this NOTE If Lansis is busy when a subsequent trigger pulse is received the trigger is ignored Falling Edge Lansis responds to the falling edge of incom...

Page 66: ...output signals Acquiring The associated output signal is high when Lansis is acquiring or ready to receive the first trigger Always High The associated output signal is always high Exposing The associated output signal is high when the sensor is exposed as configured within LightField Reading Out The associated output signal when data are being read out of the sensor Shutter Open The associated ou...

Page 67: ...se limited this method improves S N ratio linearly with the number of pixels grouped together For signals large enough to render the camera photon shot noise limited the S N ratio improvement is roughly proportional to the square root of the number of pixels binned Binning reduces readout time and the burden on computer memory but at the expense of resolution Since shift register pixels typically ...

Page 68: ...1 2 2 Binning A1 A2 A3 A4 A5 A6 B1 B2 B3 B4 B5 B6 C1 C2 C3 C4 C5 C6 D1 D2 D3 D4 D5 D6 1 2 3 4 A1 B1 C1 D1 A2 B2 C2 D2 A3 A4 A5 A6 B3 B4 B5 B6 C3 C4 C5 C6 D3 D4 D5 D6 A1 A2 B1 B2 C1 C2 D1 D2 A3 A4 A5 A6 B3 B4 B5 B6 C3 C4 C5 C6 D3 D4 D5 D6 A3 A4 A5 A6 B3 B4 B5 B6 C3 C4 C5 C6 D3 D4 D5 D6 C1 C2 D1 D2 4411 0174_0040 ...

Page 69: ...m the binning in software Limited hardware binning may be used when reading out the CCD Additional binning is accomplished in software producing a result that represents many more photons than was possible using hardware binning Software averaging can improve the S N ratio by as much as the square root of the number of pixels binned Unfortunately with a high number of pixels binned i e above 100 c...

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Page 71: ...utter expander Figure 11 1 illustrates a typical Shutter expander Figure 11 1 Typical Shutter Expander 11 1 1 Mode This parameter determines the shutter s opening and closing behavior during an experiment Depending upon the specific Trigger In Trigger Response that has been selected supported Modes are Normal The shutter opens for exposure and closes when complete Always Closed When selected the s...

Page 72: ...e External Sync pulse and the event is less than the time it takes the shutter to open which is a typically a few milliseconds 11 1 2 Opening Delay Specifies in milliseconds the length of time Lansis is to wait for the shutter to open Valid values are 0 1000 ms inclusive in 1 ms increments 11 1 3 Closing Delay Specifies in milliseconds the length of time Lansis is to wait for the shutter to close ...

Page 73: ...tter and the shutter connector The shield braid should be connected to the shell of the Hirose connector in accordance with Hirose s recommendations for connecting shield grounds Usually it is best to connect the shield ground to the frame of the external shutter but this may vary with the circumstances Although the use of a braided shield typically reduces the susceptibility of a system to electr...

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Page 75: ...fer to Table A 1 for system dimensions and weight A 1 1 Vacuum Window SI UV fused silica quartz 0 125 3 17 mm thick A 2 Camera Specifications Refer to Table A 3 for CCD specifications for Lansis detectors Table A 1 General Camera Specifications Dimension Specification Length 5 913 in 15 019 cm Width 4 863 in 12 35 cm Height 4 863 in 12 35 cm Weight 6 83 lbs 3100 g Table A 2 General Power Supply Di...

Page 76: ...nce TBD a Specifications are valid as of the publication date of this manual For up to date specifications refer to the Lansis data sheets available for download from www princetoninstruments com b 2 MHz full vertical binning c Software programmable Table A 3 Lansis CCD Specificationsa Sheet 2 of 2 Specification A 261BR A 261BRX W 261BR W 261BRX Table A 4 Default Operating Temperature Specificatio...

Page 77: ...n case of a fire or other emergency immediately remove the power supply s AC plug from the wall receptacle CAUTION Use of a power supply other than that provided with the Lansis camera will void the camera warranty For specific power supply requirements contact Teledyne Princeton Instruments Refer to Contact Information on page 100 for complete information Refer to Table A 5 for power specificatio...

Page 78: ...perature below the dew point Refer to Table A 7 for external chiller specifications A 6 Minimum Host Computer Specifications NOTE Computers and operating systems experience frequent updates Therefore the following sections are intended to provide minimum system requirements for operating a Lansis camera Table A 6 Lansis Environmental Specifications Parameter Specification Minimum Nominal Maximum S...

Page 79: ... 8 10 64 bit 2 GHz dual core processor 4 GB RAM or greater CD ROM drive Super VGA monitor and graphics card supporting at least 65535 colors with at least 128 MB of memory Memory requirement is dependent on desired display resolution Hard disk with a minimum of 1 GB available for installation Additional space is required for data storage the amount of space required depends on the number and size ...

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Page 81: ...ology Subject to Restrictions Contained on the Cover Page Appendix B Outline Drawings This appendix provides outline drawings for the Lansis Camera System Figure B 1 Outline Drawing Lansis Camera Mount 4411 0174_0107 ...

Page 82: ...82 Lansis System Manual Issue 1 EAR99 Technology Subject to Restrictions Contained on the Cover Page Figure B 2 Outline Drawing Lansis Spectrometer Mount 4411 0174_0107 ...

Page 83: ...tion necessary to safely drain coolant from within the Lansis camera body 1 Place Lansis camera body on a flat secure surface with the two coolant fittings facing down and positioned over a container that will collect the coolant as it is draining See Figure C 1 Figure C 1 Positioning Lansis to Drain Coolant 4411 0174_0128 Coolant fittings ...

Page 84: ...OTE It is not necessary to drain every drop of coolant out of the Lansis but always drain as much as reasonably possible 3 When the coolant has drained release the pistons and verify that they return to their normal closed position 4 Use a soft cloth to wipe off any stray coolant from the Lansis and or surrounding areas 5 If available install rubber fitting covers onto the coolant fittings prior t...

Page 85: ... to change these parameter settings For most applications the default settings will give the best results There are limitations to this technique such as requiring the careful positioning of the light on the active section of the CCD and darkness on the rest of it Custom Sensor redefines the size of the CCD s active area via software Unlike setting a smaller Region of Interest ROI which also invol...

Page 86: ...ra Older imaging spectrometers can be used this way but the results will not be as good as with an IsoPlane By default if there are no Pre Dummy rows the serial register will be cleared before rows are shifted NOTE The Clean Serial Register function only appears in the Sensor Cleaning pane when the Inactive Area Top Margin is 0 rows and Pixel Bias Correction is off De select the check box to deact...

Page 87: ...Power LED Extinguished If the power supply has been turned on i e power switch is in the I position but the green POWER LED does not illuminate indicating the power supply is operational Turn the power switch off i e the 0 position Wait approximately five seconds Turn the power switch on i e the I position Table E 1 Troubleshooting Index by Error Fault Description Error Fault Refer to Power Supply...

Page 88: ...s pool in the substrate and are clocked out slowly over hours or even days To clear the charge it is best to return the CCD to room temperature then run the CCD set short exposure then click run in LF while it is cooled down to normal operating temperature E 1 4 Camera Stops Working Problems with the host computer system or software may have side effects that appear to be hardware problems If you ...

Page 89: ...olant Refer to Section E 2 4 External Coolant Circulator Low Coolant Air in the Hoses on page 92 There may be air in the hoses Add coolant Refer to Section E 2 4 External Coolant Circulator Low Coolant Air in the Hoses on page 92 Circulator pump is not working If you do not hear the pump running when the external chiller is powered on turn off the circulator and contact Customer Support Refer to C...

Page 90: ...le unlikely with the Lansis camera guaranteed permanent vacuum for the life of the camera if a gradual deterioration of the cooling capability is observed there may be a gradual deterioration of the camera s vacuum This can affect temperature performance such that it may be impossible to achieve temperature lock at the lowest temperatures In the kind of applications for which cooled CCD cameras ar...

Page 91: ...tField continues searching for the missing device Figure E 1 Devices Missing Dialog Perform the following steps to try to resolve this fault Verify the device is connected and powered on If the device is connected but turned off switch it on LightField should now find the device If it does not cancel the load and restart LightField Cancel the loading of the experiment Canceling an experiment s loa...

Page 92: ...e a device become available to the current instance of LightField either remove it from the Experiment Devices area in the other instance or close the instance that is using the device E 3 3 Acquisition Started but Viewer Display Does Not Update Live data being acquired in either Preview or Acquire mode are displayed in a Data Viewer tab on the Experiment workspace If the active Data Viewer s disp...

Page 93: ...sted it indicates that the data being displayed are static i e data from the indicated file and not live data that are currently being acquired To return to a live data view click on the to the right of the filename to view the pull down menu and select Live Data See Figure E 4 Figure E 4 Data Viewer Menu 4411 0174_0070 ...

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Page 95: ...maging device which carries NO WARRANTIES EXPRESS OR IMPLIED this product against defects in materials or workmanship for a period of up to one 1 year after shipment During this period Teledyne Princeton Instruments will repair or replace at its sole option any defective parts without charge to you You must deliver the entire product to the Teledyne Princeton Instruments factory or at our option a...

Page 96: ...to have Phosphor and or Photocathode burn damage which carry NO WARRANTIES EXPRESSED OR IMPLIED all image intensifier products for a period of one 1 year after shipment Refer to additional Limited One 1 year Warranty terms and conditions above which apply to this warranty Responsibility for shipping charges is as described above under our Basic Limited One 1 Year Warranty X Ray Detector Limited On...

Page 97: ...n Instruments factory or at our option an authorized service center 4 Before products or parts can be returned for service you must contact the Teledyne Princeton Instruments factory and receive a return authorization number RMA Products or parts returned for service without a return authorization evidenced by an RMA will be sent back freight collect 5 These warranties are effective only if purcha...

Page 98: ...d from country to country Some states and countries do not allow limitations on how long an implied warranty lasts when an action may be brought or the exclusion or limitation of incidental or consequential damages so the above provisions may not apply to you 12 When contacting us for technical support or service assistance please refer to the Teledyne Princeton Instruments factory of purchase con...

Page 99: ...red trademark of National Instruments Inc LEMO is a registered trademark of INTERLEMO HOLDING SA Windows is a registered trademark of Microsoft Corporation in the United States and or other countries The information in this publication is believed to be accurate as of the publication release date However Teledyne Princeton Instruments does not assume any responsibility for any consequences includi...

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Page 101: ... Please visit www princetoninstruments com to find the contact information for our global offices Copyright 2022 Teledyne Princeton Instruments All Rights Reserved 02 2019 EAR99 Technology Subject to Restrictions Contained on the Cover Page ...

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