NKT Photonics A203-000-001 Скачать руководство пользователя страница 38

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Electrical Connections

4. On last accessory module in the External bus daisy chain, connect the

Bus

Defeater

on its

Bus Through

connector.

5. Before powering on the system, set all bus address selector switches to a

unique address.

The order of the modules on an External bus chain is not important. It is important

that power is OFF when connecting and the address selector switch of each

module is set to a unique address before power is turned ON.

Caution:

If the laser is powered ON when connecting the external bus cable,

DAMAGE can occur to both the laser, SELECT and ERDs.

Note:

To enable emission on a SuperK laser, the power supply and the door-

switch interlock must be connected. Refer to the instruction manual for the SuperK

laser system for more information.

Note:

All bus cables used with a SuperK laser system must be shielded and a max

imum of 3 meters long.

Содержание A203-000-001

Страница 1: ...SuperK SELECT PRODUCT GUIDE Multi Channel Tunable Filter...

Страница 2: ...SELECT Multi Channel Tunable Filter Item number A203 XXX XXX SuperK External RF Driver RF Signal Generator Item number A901 100 000 SuperK COMMAND Fast Wavelength Switching Signaling Interface Item n...

Страница 3: ...sory Target Audience This guide is for technical personnel involved in the selection planning and deployment of lasers and photonic equipment in laboratory and industrial settings The guide assumes a...

Страница 4: ...tion related to the associated topic and or pro vides links or the name of the NKTP guides describing the additional information Caution Alerts you to a potential hazard that could cause loss of data...

Страница 5: ...pes 16 RF driver 17 Features 18 Output 18 Interlock 18 Shutters 18 Power lock optional 18 Interfaces 19 Top panel 19 Optical apertures 21 Monitor ports 22 Electrical Interfaces 23 External RF driver 2...

Страница 6: ...am quality 39 Free space delivery 39 Fiber Delivery 39 Optimum RF power 40 RF power 40 Fiber coupled 40 Optimum RF power level 41 Remapping the Optimum RF level 41 Beam walk off 42 Reduction in output...

Страница 7: ...abel 61 Support Contact Details 61 Support Email 61 Online Support Web page 61 Shipping Address 61 C CONTROL Software 63 Installing CONTROL 63 D Using a SuperK COMMAND module 69 Description 69 Connect...

Страница 8: ...8...

Страница 9: ...terfaces 57 Table 6 Mechanical dimensions 57 Table 7 Electrical specifications External RF Drivers 57 Table 8 Operating and storage environment 58 Table 9 Safety and regulatory compliances 58 Table 10...

Страница 10: ...10...

Страница 11: ...13 Partially inserting the collimator 32 Figure 14 Collimator alignment key and slot 32 Figure 15 Collimator lock screw 33 Figure 16 Connecting a SELECT single ERD 34 Figure 17 Connecting single ERDs...

Страница 12: ...output with all channels ON 52 Figure 40 Dragging channels in the band view 53 Figure 41 Fast wavelength switching mode 54 Figure 42 Wavelength sweep 55 Figure 43 Mechanical dimensions Select module...

Страница 13: ...ections for a SELECT with dual ERDs 35 Procedure 4 Connecting additional accessories 37 Procedure 5 Remapping the optimum RF power level 42 Procedure 6 Installing CONTROL 63 Procedure 7 Setting up 2 o...

Страница 14: ...14...

Страница 15: ...ltaneously up to 8 wavelengths The SELECT can also optionally integrate two AOTF crystals providing a wide spectrum emission filter with a maximum of 16 tunable wavelengths The crystals are driven by...

Страница 16: ...the dichroic mirrors in the SELECT This is due to performance of the mirrors where their reflection and transmission losses are at the maximum Table 1 AOTF crystal models wavelength bands nanometers A...

Страница 17: ...re 2 shows a SELECT system equipped with dual AOTFs and dual ERDs All units communicate through the External bus system and each ERD transmits an RF signal over coaxial cable to the SELECT Each AOTF o...

Страница 18: ...he shutter is closed it blocks all optical emission The shutters are manually operated by turning the shutter knob between the Open and Closed positions as shown in Figure 3 Figure 3 Primary output sh...

Страница 19: ...nism that securely holds the barrel in place To release the collimator from the input receptacle press the collimator Release button 6 When the collimator is inserted use the nearby locking screw to s...

Страница 20: ...to block emission and Open to unblock emission from the aperture Output monitors See Monitor optical output apertures on page 21 Auxiliary input A beam from an optional extra laser light is transmitt...

Страница 21: ...n interlock switch If a SuperK collimator is not inserted in the input receptacle the switch detects this and prevents emission refer to Figure 7 NIR IR output aperture This is a free space output ape...

Страница 22: ...ower locking The monitor signal is transmitted from the Monitor Output BNC port which is fed to the external feedback port of a SuperK laser This sets up a feedback loop that stabilizes the laser emis...

Страница 23: ...ctor Multiple accessories can be connected on an External bus daisy chain from a SuperK laser Each accessory requires a unique bus address Use this dial to set the bus address of the SELECT The addres...

Страница 24: ...and emission disabled at the SuperK laser Bus input port The bus input port connects accessories in a daisy chain with a SuperK laser SuperK lasers and their accessories connect using the NKTP Extern...

Страница 25: ...e and so not for use with the SELECT system RF out BNC output port transmitting RF signal to one of two RF input ports on the SELECT Address selector When multiple modules are connected to the Externa...

Страница 26: ...are and how to connect to and control the SELECT It also includes instructions on how to set the UV center wavelength to a resolution of 0 1 nm to match the intended application CONTROL software insta...

Страница 27: ...rimary and auxiliary optical output ports The position of the mechanical shutters at each output port does not change the status of the emission LED i Warning SuperK emissions are rated Class 4 OFF Em...

Страница 28: ...ass 4 Laser Warning Top Safety information indicating the laser emission radiation class and precautions to take when the laser is operating Laser Aperture Top Safety information alert indicating the...

Страница 29: ...29 Status LEDs Figure 12 Top panel labels 1 Laser Aperturesi i NOTE Laser apertures are located on the side panel below the label 3 Class 4 Laser Radiation Warning 2 Laser Radiation Warning 1 1 2 3...

Страница 30: ...Status LEDs 30...

Страница 31: ...e See Optical Connections on page 32 6 Follow the procedures applicable under Electrical Connections on page 33 to connect the External bus and RF connections 7 Ensure all bus addresses for each acces...

Страница 32: ...he SuperK SELECT Inserting the SuperK collimator Procedure 1 Inserting a SuperK output collimator 1 Disconnect power from the laser 2 If not already installed position the SuperK SELECT at its final o...

Страница 33: ...rK CONNECT and Fiber Delivery Product Guide Electrical Connections Single ERD system For basic operation connect the External bus from the SuperK laser to the SELECT and to the External RF Driver ERD...

Страница 34: ...e ERD item C of Figure 17 Figure 18 Bus defeater 5 Using the RF coaxial cable connect the RF BNC port of the ERD item A of Figure 17 to the RF 1 port of the SELECT item B of Figure 16 Note To reduce R...

Страница 35: ...ct the External bus from the SuperK laser to the SELECT and to both External RF Drivers ERDs where the bus is looped back using the included bus defeater on the last module in the bus chain The RF coa...

Страница 36: ...ternal bus with an NKT Photonics bus defeater Without the bus defeater the interlock circuit remains open disabling laser emis sion 6 Using an RF coaxial cable connect the RF BNC port of the ERD 1 ite...

Страница 37: ...the Device Selector panel of CONTROL see Device Selector on page 44 Adding additional accessories If additional accessories are to be connected to the SuperK laser External bus follow the steps in Pro...

Страница 38: ...when connecting and the address selector switch of each module is set to a unique address before power is turned ON Caution If the laser is powered ON when connecting the external bus cable DAMAGE can...

Страница 39: ...eases the power in the side lobes Power decreases initially in the outer side lobes followed by the inner side lobes and eventually the main peak In practice the power in the first order side lobe and...

Страница 40: ...hereas the green and blue curves illustrate the result when RF power level is increased beyond the optimum Side band power increases and the amplitude of the central peak decreases In summary the powe...

Страница 41: ...power level for a typical visible AOTF system varies as a function of wavelength The shape of the curve in Figure 26 depends on the components used and the RF cabling used between them Figure 26 Wave...

Страница 42: ...f RF power This should result in a curve similar to the one shown in Figure 25 3 Determine the optimum RF power as the first peak on the curve see Figure 25 4 Select the next wavelength and repeat fro...

Страница 43: ...cted NKTP products Refer to SuperK laser documentation Status Panel This panel displays the selected device status emission control and a CONTROL settings menu Status Panel on page 45 Menu Items Five...

Страница 44: ...The External RF Driver is not shown in the device selector It operates in conjunction with the SELECT and any relevant configuration from the SELECT pages will modify the External RF Driver correspond...

Страница 45: ...shutter is in the open position laser emission can pass through the aperture OFF Grey the VIS NIR output shutter is in the closed position emission is blocked NIR IR output shutter Indicates the posi...

Страница 46: ...ls on page 53 System Info The System Info section shows the following SELECT Serial number SELECT Firmware version See View on page 49 on toggling on and off the display of system information RF Power...

Страница 47: ...IR RF power Range Normal or Overdrive In Normal mode the power level in the main spectral peak increases as RF power is increased Power coupling to a fiber deliver system is optimized when operating...

Страница 48: ...he monitor port is set to supply a signal representing the level of either the VIS NIR or NIR IR output port only External power monitoring is optional and installed at the factory see Monitor ports o...

Страница 49: ...tion with a COMMAND module Wavelength Sweep the SELECT steps through multiple wavelengths at a set rate Normal Operating mode The Control panel displays the SELECToutput channel settings for the selec...

Страница 50: ...ailable for each crystal You can set the power level and wavelength of each channel using the input text fields or clicking the set button Clicking the channel button ON green enables the channel and...

Страница 51: ...to 650 nm If you select the NIR IR output port crystal the band range changes to 690 nm to 1140 nm The Y axis of the band view represents power in percentage Within the band view numbered symbols appe...

Страница 52: ...al will operate The system will lock access to the other crystal Figure 39 NIR IR output with all channels ON Dragging channels Using your mouse you can click hold on a channel symbol and slide it wit...

Страница 53: ...the SELECT Wavelength switching and amplitude modulation can be achieved within approximately 10 s A description of the SuperK COMMAND and detailed configuration instructions can be found in Appendix...

Страница 54: ...de The Wavelength sweep mode allows for a relatively slow wavelength sweep step function You can set the select to select a range of wavelengths to step through and repeat as long as the Sweep button...

Страница 55: ...elength is 500 nm Step size is 50 nm Step interval is 5 seconds Channel power is 50 For this example three wavelengths are repeatedly selected 400 450 and 500 nm The system emits 400 nm for 5 seconds...

Страница 56: ...Control panel 56...

Страница 57: ...R1 nIR2 1 nm i 1 8 5 2 6 9 6 Filter bandwidth of AOTF IR 1 nm i 6 4 19 8 AOTF deflection efficiency 90 1 8 channel operation Polarizationii ii Horizontal with respect to base Linear Output mode Fiber...

Страница 58: ...Operating Altitude 3000 m maximum N A Operating Air Pressure 700 hPa to 1060 hPa N A Safety Regulatory EN 60825 1 2014 Safety of laser products Part 1 Equipment classification and requirements Laser C...

Страница 59: ...59 Figure 44 Mechanical dimensions External RF Driver...

Страница 60: ...60...

Страница 61: ...the accessory s earth point to a ground earth within your facility Opening the chassis There are no user serviceable components inside the accessory chassis Should your accessory malfunction and it c...

Страница 62: ...Support Contact Details 62 2...

Страница 63: ...ps www nktphotonics com lasers fibers support software drivers Follow the steps in Procedure 6 Procedure 6 Installing CONTROL Action 1 On the PC launch the installer package and then click the Run but...

Страница 64: ...owse button Click Next to continue 4 Uncheck the components you do not require By default all components will be installed Click Next to continue 5 Read the End User License Agreement and select I acc...

Страница 65: ...with program short cuts Use the default name or enter a new name for the folder Click Next to continue 7 Check the box to create a desktop shortcut to access Control Click Next to continue 8 Check the...

Страница 66: ...for the installation Note a normal install should only take a few seconds 11 Click Next to install the UART drivers for the PC USB port 12 Read the End User License Agreement and select I accept this...

Страница 67: ...s will be installed 14 The Silicon Labs drivers is installed successfully Click Finish to end the installation wizard 15 CONTROL is now installed Check the Run box to launch CONTROL when the Finish bu...

Страница 68: ...Installing CONTROL 68...

Страница 69: ...SK 1 to 8 these pins typically connect to a logic signals from an application of interest The FSK pins are used to select the AOTF s configured wavelength profiles and their respective channels 8 Modu...

Страница 70: ...ribed in section Signaling and CONTROL configuration on page 71 Connect to a SuperK SELECT system 40 pin cable The COMMAND module includes a straight through 40 pin cable which must be connected from...

Страница 71: ...levels at the two pins To set up 2 or 4 channel fast wavelength switching follow the steps in Procedure 7 Table 11 2 or 4 channel FWS truth table Procedure 7 Setting up 2 or 4 channel fast wavelength...

Страница 72: ...Fast Wavelength Switching mode by connecting application signals to module pins Blank and FSK1 Table 11 shows a truth table demonstrating the profiles selected based on the input signals levels Figur...

Страница 73: ...channels This sets the power level to be identical for the same channels in each profile 6 Using a BNC cable connect the MOD1 pin to the 3 3 V output pin on the COMMAND When profiles are switched wit...

Страница 74: ...nfigure 2 to 8 channels with their desired wavelengths Figure 50 shows 8 channels configured in profiles 2 and 4 of a VIR NIR crystal 5 Set the power level desired for a channel The power level across...

Страница 75: ...are selected based on the signals shown in Figure 50 Figure 50 Fast wavelength switching 16 setup CONTROL Channel Profile Profile 2 V MOD1in ch1 profile 2 ch2 profile 2 ch3 profile 2 ch4 profile 2 ch5...

Страница 76: ...1 Using a 4 channel FWS configuration connect the 0 10 V output pin of the COMMAND to MOD1 instead of the 3 3 V output 2 Set the modulation gain in the Setup page to the 0 10 V range see VIS NIR or NI...

Страница 77: ...SuperK SELECT Product Description Revision 1 00 10 2020 W 10456...

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