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6. Appendix

Page 79

Status: 6.9.18

6.4

Computer Control via RS 232 Connection

Start your terminal program, select the COM port and set the following parameters:

1.1

Enter a name for the FemtoFiber

pro Laser System terminal connection. Press OK.

1.2

Select the appropriate COM port which the FemtoFiber

pro Laser System is connected to.

Figure 63

1.3

Enter the following parameters and press OK:

Baudrate:

115200

Parity: none

Data Bits:

Stop Bits:

Flow control:

none

Switch ON the FemtoFiber

pro Control Unit at the Key switch on the front panel.

The Terminal main window shows the boot sequence of the FemtoFiber

pro Laser System.

After the boot sequence is finished, commands can be entered to operate the system.

Содержание FemtoFiber pro IR

Страница 1: ...ng Munich Tel 49 89 85837 0 Fax 49 89 85837 200 email info toptica com http www toptica com September 2018 Subject to change without notice Manual M 043 Version 07 Copyright 2018 TOPTICA Photonics AG...

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Страница 3: ...m In our support section you can find a list of frequently asked ques tions and a service contact form Email service toptica com Phone 49 89 85837 150 Our customers in the USA and Canada may contact T...

Страница 4: ......

Страница 5: ...afety Instructions and Warnings 24 2 1 General Safety Terms 24 2 2 Safety Labels 26 2 2 1 Protective Housing 26 2 2 2 Laser Beam 27 2 2 3 Apertures 28 2 2 4 CFR Compliance 28 2 3 Identification of Man...

Страница 6: ...1 Operation 61 5 7 2 Python Command List 61 5 7 3 Console 62 5 7 4 System Properties 63 5 7 5 Debug Logfile 63 5 7 6 Service Logfile 63 5 7 7 Data Transfer 63 5 7 8 Firmware Update 64 6 Appendix 65 6...

Страница 7: ...laration of CE Conformity FemtoFiber pro 94 6 11 Declaration of CE Conformity FemtoFiber pro SCYb 95 6 12 FemtoFiber pro Laser Head Main Dimensions IR NIR SCIR 96 6 13 FemtoFiber pro Laser Head Main D...

Страница 8: ...FemtoFiber pro Laser System Status 6 9 18...

Страница 9: ...bersome for the user Mode locking is typically accomplished via nonlinear self focussing requiring highly precise alignment and daily readjustment of the laser cavity Moreover the need for a high powe...

Страница 10: ...nce the mode locked ring oscillator generates well defined light pulses at a center wavelength of 1560 nm with a repetition rate of 80 MHz standard other rep rates upon request With the high gain avai...

Страница 11: ...mated free beam with more than 350 mW at 1560 nm fundamental wavelength Figure 3 FemtoFiber pro IR laser beam The basic properties of a FemtoFiber pro IR are shown in the following typical measurement...

Страница 12: ...lifier in one single box It is built as an all fiber laser system with no free space optics By use of a special non linear fiber shortest pulses at the fundamental wavelength of Er doped fiber lasers...

Страница 13: ...harmonic of 780 nm 140 mW Figure 7 FemtoFiber pro NIR laser beams and operation of 1560 780 switch right Figure 8 FemtoFiber pro NIR internal setup NOTE Switching between 780 and 1560 nm is done by a...

Страница 14: ...the fundamental wavelength Figure 9 left The spectral width is typically 10 15 nm wide Figure 9 right The FemtoFiber pro NIR variant is equipped with an auto optimize feature which constantly adjusts...

Страница 15: ...mode locked Er doped oscillator running at 1560 nm which gets frequency shifted into the 1030 nm range by use of a nonlinear fiber The output power is then amplified by Yb doped amplifiers to levels o...

Страница 16: ...y nonlinear fiber HLNF This fiber generates a widened spectrum of 980 to 2200 nm which is available at the primary exit aperture Figure 12 FemtoFiber pro SCIR laser beam Figure 13 FemtoFiber pro SCIR...

Страница 17: ...t comprises a very rugged master oscillator with a power amplifier in a very com pact design Two motorized prism compressors are integrated One for tuning the wavelength by adjust ing the frequency do...

Страница 18: ...is a further extension of the previously described UCP system The compressed continuum is getting frequency doubled into the visible light region by a following non linear crystal The crystal unit al...

Страница 19: ...1 The FemtoFiber pro Laser System Page 15 Status 6 9 18 Figure 17 Typical pulse characteristics emission spectra and power distribution of the tunable FemtoFi ber pro TVIS system...

Страница 20: ...low shorter pulses in the range of 100 150 fs instead NOTE The Extended Tuning Range option consists of two crystal mounts carrying two different crystals crystal 1 488 540 nm crystal 2 520 700 nm The...

Страница 21: ...ompres sion The frequency doubling nonlinear crystal is placed in the extension of the laser system and allows a continuous manual fine tuning of the wavelength by a fine thread screw from 830 to 1100...

Страница 22: ...mtoFiber pro Laser System Page 18 Status 6 9 18 Figure 19 Typical pulse characteristics emission spectra and power distribution of the tunable FemtoFi ber pro TNIR system available in two configuratio...

Страница 23: ...n is ordered the regular crystal is not included but exchanged to a two crystal design where the first crystal works from 850 to 940 nm and the second from 940 to 1100 nm NOTE Power levels above 1050...

Страница 24: ...tem without any additional option needed To provide more exit ports for more than one AMP system it is however necessary to modify the oscil lator accordingly TOPTICA Photonics AG offers optional osci...

Страница 25: ...eflects the light back into the fiber path see Figure 21 This mirror is movable and varies the repetition rate by changing the resonator length The movement of the mirror is controlled by a two step c...

Страница 26: ...ol the length of the oscilla tor s free beam section while the optical path length inside the fiber section remains unaffected In addi tion the entire unit including the piezo and the collimator is mo...

Страница 27: ...o TNIR can be optionally added This allows to have both units in a single box Figure 22 Schematic setup for TNIR option UCP TVIS NOTE As both outputs TNIR and UCP TVIS of such a combined system utiliz...

Страница 28: ...tions which have to be taken to avoid them DANGER The Laser Driver Electronics and the Laser Head each are equipped with LEDs which indicate CAUTION laser emission Please refer to sections 4 1 and 4 2...

Страница 29: ...n lead to serious injury DANGER The electrical units should not be operated in a hazardous environment DANGER Do not open the FemtoFiber pro Laser Head or Control Unit There are no user serviceable pa...

Страница 30: ...following labels is affixed to the FemtoFiber pro protective cover according to EN 60825 1 2014 Size 52 mm x 26 mm Color yellow black Location FemtoFiber pro Laser Head protective cover DANGER While...

Страница 31: ...tions of the FemtoFiber pro Laser System the appropriate of the following label s is affixed to the protective housing of the FemtoFiber pro Laser Head according to EN 60825 1 2014 Size 53 mm x 35 mm...

Страница 32: ...r pro Laser Head Location FemtoFiber pro Laser Head next to the aperture s and the housing FC APC connector s 2 2 4 CFR Compliance Compliance with US laws 21 CFR 1040 10 and 1040 11 is declared by the...

Страница 33: ...ocation Rear Panel FemtoFiber pro Location Rear Panel FemtoFiber pro Control Unit Control Unit 2 3 2 FemtoFiber pro Laser Head Size 38 mm x 19 mm Color Silver black Location FemtoFiber pro Laser Head...

Страница 34: ...e the wire in the supplied interlock plug Phoenix Con tact MC 1 5 2 ST 3 81 and connect the interlock circuit NOTE To switch ON the FemtoFiber pro Laser System after a switch OFF by the external inter...

Страница 35: ...exiting beam To operate the shutter shift the shutter as shown in Figure 24 Check with an suit able IR card whether the laser beam is blocked or not DANGER Do not look into any exiting beam of the Fem...

Страница 36: ...el of the FemtoFiber pro Control Unit Figure 25 Fuses at FemtoFiber pro control unit connector block To replace the fuses open the connector block cover as shown in Figure 25 and pull out the fuse hol...

Страница 37: ...ny damage is evident visually notify TOPTICA Photonics AG and your shipping agent It is recommended to save the carton for future storage or transportation Figure 26 Basic FemtoFiber pro laser system...

Страница 38: ...h 15 Power supply for Ethernet switch incl mains supply cable Additional items of a FemtoFiber pro Laser System with VAR Option Figure 27 Additional items FemtoFiber pro laser system with VAR option 1...

Страница 39: ...long 28 BNC connecting cable color code yellow approx 10 cm long 29 Ribbon connecting cable approx 6 cm long 30 Additional USB connecting cable 31 Laptop computer with pre installed software and driv...

Страница 40: ...m is designed for indoor usage at altitudes below 2000 m Environmental conditions Operation temperature 20 C 30 C rel humidity non condensing Transport storage temperature 0 C 40 C rel humidity non co...

Страница 41: ...FC APC Connector Arm 1 11 Power Control Connector 2 Primary Aperture 7 Motor Stage only VAR Option 12 Only TVIS variant Manual Wavelength Tuning 3 Laser Radiation Emission Warning LED 8 FC APC Connec...

Страница 42: ...a resonance frequency of 5 kHz 6 FC APC Connector Arm 1 Fiber connector for seeding an external FemtoFiber pro AMP Laser Head 7 Motor Stage only VAR Option SMB connector Coarse adjustment of the reson...

Страница 43: ...ers depending on the specification are identical and described only once 14 Mains Connector 19 USB Type A Connector 24 Power Control Connector 15 Fuse Holder 20 USB Type B Connector 25 ON OFF Key Swit...

Страница 44: ...lease see sec tion 2 5 1 for details For installation use a Phoenix Contact MC 1 5 2 ST 3 81 plug 24 Power Control Connector D Sub 37 pin female connector Connector for control and supply of the Femto...

Страница 45: ...t the ON OFF Switch at the rear panel NOTE When not in use the Oscillator Monitor Output 10 must be 50 terminated by the sup plied terminator DANGER For your safety it is recommended to set up an exte...

Страница 46: ...main Control Unit Connect the Ethernet switch to the power supply Connect the Ethernet switch to the FemtoFiber pro Control Units by patchcords Figure 32 FemtoFiber pro 4 arm system 4 3 2 Additional...

Страница 47: ...tion Emission Warning LED Figure 30 3 lights up continuously and indicates laser emission Open the desired shutter 4 5 Power Down 1 To switch OFF the FemtoFiber pro Laser System deactivate the laser s...

Страница 48: ...1 System Requirements Control computer with Windows operating system up to Windows 10 5 2 USB Connection 5 2 1 Installation of FTDI CDM Drivers for USB Connection 1 Start your control computer 2 Switc...

Страница 49: ...r Figure 31 20 of the FemtoFi ber pro Control Unit and then to the control computer 5 Start the CDMxxx exe installer Figure 34 6 Click Extract to initialize the installation The window shown in Figure...

Страница 50: ...FemtoFiber pro Laser System Page 46 Status 6 9 18 Figure 35 7 Click Finish to complete the installation...

Страница 51: ...he window shown in Figure 37 Figure 37 4 Browse to select the program folder Default Program Files FFpro GUI and confirm with Next NOTE You will need to have administrator rights to run the setup If y...

Страница 52: ...8 Status 6 9 18 5 Only Windows 8 0 Please check the Disable Windows fast startup checkbox Figure 38 the and confirm with Next Figure 38 Figure 39 6 Confirm the License Agreement Click Next to start th...

Страница 53: ...Click Next to exit the installation wizard Figure 40 right The window shown in Figure 41 appears Figure 41 8 Click Restart to make sure that the computer is running with all the necessary drivers and...

Страница 54: ...FemtoFiber pro Laser System Page 50 Status 6 9 18 Figure 42 9 Please select the appropriate safety level and click Allow access...

Страница 55: ...may be re listed by performing a rescan After a successful connection the list of the available ports and systems is grey scaled and blocked Additionally a green indicator at the left end of the statu...

Страница 56: ...le Changing Numeric Input Controls Changing numeric input controls Set the focus on the desired numeric control left click on the field A cursor appears in the input field The digit to the left of the...

Страница 57: ...d see section 5 6 close connection Clicking this button deactivates the current connection hello Clicking this button leads to an acoustic signal of the currently connected FemtoFiber pro Control Unit...

Страница 58: ...r allows to optimize the pulse length IR IRS II NIR or spectral dis tribution SCIR UCP TVIS TNIR FFpro arm0 axSi pos Displays the actual target position of the Si prism auto optimize Clicking switches...

Страница 59: ...scription of the basic operator controls please refer to section 5 5 3 SF10 prism target position Changing the target position of the motorized SF10 prism com pressor allows to optimize the pulse leng...

Страница 60: ...arm a Laser Control Tab appears after the FemtoFiber pro GUI has activated a connection to the FemtoFiber pro main Control Unit The number of the respective arm is displayed above the Indicator laser...

Страница 61: ...puter Control of the FemtoFiber pro Laser System Page 57 Status 6 9 18 5 5 6 Info Tab Figure 49 Info tab table Displays FemtoFiber pro system specific parameters refresh info Reloads and updates the t...

Страница 62: ...clipboard copy selection Copies the selected content of the terminal to the clipboard paste to console Copies the clipboard content text only to the terminal prompt DANGER If the laser system is cont...

Страница 63: ...dress type ipconfig xxx xxx xxx xxx RETURN the command is then acknowledged as follows iface eth0 inet static address xxx xxx xxx xxx netmask 255 255 255 0 new configuration written in order to apply...

Страница 64: ...xx xxx represents the IP address of the FemtoFiber pro Control Unit Figure 51 By default the selected connection is in userlevel 0 with read only rights In order to access full control the user has to...

Страница 65: ...olored commands are accessible by userlevel 1 only For detailed information about the userlevels please refer to section 6 8 If you are not familiar with the Python script programming language you may...

Страница 66: ...nds The command is sent and executed by pressing ENTER send command Sends and executes the entered command send CTRL C Sends a user interrupt to finish the current action delete history Clears the scr...

Страница 67: ...on 6 9 7 5 7 6 Service Logfile The service logfile lists all severe errors and warnings permanently It may be helpful for troubleshooting purposes 5 7 7 Data Transfer This window shows the content of...

Страница 68: ...to the FemtoFiber pro Control Unit Select a file location and press upload to start the update process Figure 54 NOTE With a Multi Arm Laser System only the FemtoFiber pro main Control Unit can be up...

Страница 69: ...of this manual Always follow the Safety Instructions and Warnings noted in section 2 of this manual The installation of the variable repetition rate control VAR is performed after the FemtoFiber pro l...

Страница 70: ...r is switched off Figure 56 illustrates how the LRC accessories are connected 6 3 2 Additional Connections Figure 56 Connections for FemtoFiber pro LRC option For location and description of the conne...

Страница 71: ...itor SMA connector at the FemtoFiber pro laser head Use the supplied coaxial cable with SMA BNC connectors Connect RF1 out of the RF Input Amplification Module to the RF1 connector on the PHD 110 mod...

Страница 72: ...such as the signal level of RF1 and RF2 the instantaneous phase deviation and the RMS phase jitter to the measurement unit MB 110 Connections Connect the first radio frequency input RF1 to the Monitor...

Страница 73: ...eous phase deviation and the RMS phase jitter from the PHD 110 In addition it continuously samples the voltage supplied to the piezo All this information is digitized and sent to the lap top computer...

Страница 74: ...ls RF1 and RF2 Connections The PID 110 module has only two connections at the front panel which have already been described in the previous two sections Therefore no further cabling is required Howeve...

Страница 75: ...pro laser head which serves to coarsely adjust the repetition rate of the laser Whenever the piezo voltage leaves a predefined interval around its middle value the computer sends a trigger signal to...

Страница 76: ...urn to its intended operating range Upon shipment the software and the required hardware drivers are installed on the provided laptop computer If you should decide to run the software on a different c...

Страница 77: ...d single plots can be exported as two column ASCII files 3 Log Indicator Certain events are logged in chronological order together with a timestamp Examples for events Change of the flip flop state ex...

Страница 78: ...detector 16 HV OK Indicator indicating whether the high voltage supply for the piezo is correctly working 17 Signal Level OK Indicator indicating whether the RF input levels are within the required ra...

Страница 79: ...l phase signal as two column ASCII table Save Log saves the event log text to disk Exit exits the application Save Service Report for service and support purposes collects important information about...

Страница 80: ...et working properly 3 Press the Search button 10 in Figure 62 once The software will now start to move the translation stage If the difference frequency increases the direction of motion will be rever...

Страница 81: ...r now Confirm with YES 3 After the restart open the InstaCal software If InstaCal does not automatically detect the analog to digital converter in the MB 110 module press the Add Board button in the I...

Страница 82: ...irm with Continue Anyway The hardware driver will now be installed 4 After completion of the Found New Hardware Wizard confirm with Finish 6 3 7 3 FFS Cavity Coarse Loop Software The control and monit...

Страница 83: ...e appropriate COM port which the FemtoFiber pro Laser System is connected to Figure 63 1 3 Enter the following parameters and press OK Baudrate 115200 Parity none Data Bits 8 Stop Bits 1 Flow control...

Страница 84: ...h ON the Key Switch at the FemtoFiber pro Control Unit Start the FemtoFiber pro GUI and select the Console Tab or use a web interface console Type in the command usbupdate This will prompt you as foll...

Страница 85: ...Status 6 9 18 Figure 65 After finishing the user will be informed as follows and is asked to finalize the update with a reboot of the system Figure 66 After rebooting the system is ready to operate wi...

Страница 86: ...ulse length is not within the specifications Prism in wrong position Optimize prism position see sections 5 5 3 5 5 5 or 6 9 2 The laser power is not within the specifications Laser Radiation Emission...

Страница 87: ...eived 6 7 1 Properties Properties are used like variables They can be read and some of them can be assigned with new values The property types used for controlling the laser are integer floating point...

Страница 88: ...o selftest The difference between printed output and a result value is that a result value can be used in calculations or variable assignments etc Examples for executing commands For a command without...

Страница 89: ...ntains the most valuable infor mation i e the error type in this case division by zero The traceback in the first part of the message only describes the position of the error source in the code that w...

Страница 90: ...pro to a LAN we strongly suggest to change the password 6 8 2 Changing the UserLevel In order to simplify operation the console access via RS232 and USB always starts with userlevel 1 mean ing that th...

Страница 91: ...acing arm0 with arm1 arm2 or arm3 respectively For querying the emission status the following property can be used ffpro arm0 onoff integer property on off flag _ 1 emission ON oscillator and all ampl...

Страница 92: ...moving the laser will not accept any further commands It is also possible to send the motor to the desired position without waiting for it s arrival ffpro arm0 axSi target floating point property mot...

Страница 93: ...the current prism position use the following property ffpro arm0 axSF10pos floating point property read only current motor position in m In a Multi Arm System the additional amplifiers can be accesse...

Страница 94: ...level simply assign a new value between 0 0 and 1 0 ffpro arm0 level 0 5 The emitted laser power will be much lower now and the white status LED at the laser head will be blink ing while the laser em...

Страница 95: ...steps of the selftest In case of problems with one of the components a FAIL is reported together with the source of the problem In the last line of the command output the total number of FAILs is rep...

Страница 96: ...until it is reset by a TOPTICA service engineer In order to print out it s contents use the command ffpro printplog command no parameter no result value Print service log messages being permanently st...

Страница 97: ...a document version compatible with the currently installed firmware The easiest way to get the document is downloading it from the laser s webpage When the laser is operated without Ethernet connecti...

Страница 98: ...FemtoFiber pro Laser System Page 94 Status 6 9 18 6 10 Declaration of CE Conformity FemtoFiber pro...

Страница 99: ...6 Appendix Page 95 Status 6 9 18 6 11 Declaration of CE Conformity FemtoFiber pro SCYb...

Страница 100: ...er pro Laser System Page 96 Status 6 9 18 6 12 FemtoFiber pro Laser Head Main Dimensions IR NIR SCIR Figure 67 FemtoFiber pro laser head main dimensions and apertures IR NIR SCIR all possible aperture...

Страница 101: ...6 Appendix Page 97 Status 6 9 18 6 13 FemtoFiber pro Laser Head Main Dimensions IRS II SCYb Figure 68 FemtoFiber pro laser head main dimensions and apertures IRS II SCYb...

Страница 102: ...pro Laser System Page 98 Status 6 9 18 6 14 FemtoFiber pro Laser Head Main Dimensions UCP TNIR TVIS Figure 69 FemtoFiber pro laser head main dimensions and apertures UCP TVIS TNIR all possible apertu...

Страница 103: ...Fiber pro Laser Head Mounting Options IR IRS II NIR SCYb SCIR Figure 70 The 3 supplied posts are compatible with commercial available pedestal pillar posts which are clamped by standard clamping forks...

Страница 104: ...18 6 16 FemtoFiber pro Laser Head Mounting Options UCP TVIS TNIR Figure 71 The 5 supplied posts are compatible with commercial available pedestal pillar posts which are clamped by standard clamping f...

Страница 105: ...al and electronic equipment EEE which includes the Waste Electrical and Electronic Equipment Directive WEEE Assigned duties affect product design of the equipment disposal of used appliances as well a...

Страница 106: ...isit the sup port pages on our web site http www toptica com support In case you wish to return a product for diagnosis and or repair please contact us prior to sending it so we can issue a Return Mat...

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