Swept Source Laser
Operating Manual
Страница 1: ...Swept Source Laser Operating Manual ...
Страница 2: ... What is a tunable laser source TLS 8 Basic operation 8 2 4 Mechanical Interface 10 Switches and Indicators 11 2 5 Switches and Indicators 11 2 6 Electrical Interfaces 12 Electrical Outputs 12 Part 3 Operation 13 3 1 Starting the System 13 System Components Start up 13 3 2 Shutting Down the System 13 3 3 Troubleshooting 13 Part 4 Warranty Information 14 Part 5 Certifications and Compliance 15 Part...
Страница 3: ...this system by unqualified personnel renders Thorlabs free of any liability Attention This device can only be returned when packed into the complete original packaging including all foam packing inserts If necessary ask for a replacement packing ATTENTION USER Check the supply voltage of the system before plugging in the Swept Source Laser Make sure the included power cord for the Swept Source Las...
Страница 4: ...ssistance Do not operate without cover installed To avoid electrical shock the power cord protective grounding conductor must be connected to ground Refer servicing to qualified personnel NOTE Thorlabs provides the proper power input cable with each system for use in the United States If using this unit anywhere else the user will need to supply a properly grounded power cable to power the unit At...
Страница 5: ...can be reduced if precautions against ESD damage are not taken ALWAYS wear an ESD wrist strap connected to the ESD terminal whenever handling the swept source See Figure 2 Figure 1 ESD wrist wrap The wrist strap is connected to ground to ensure that no electrostatic field is built up WARNING Do not under any circumstances look into the optical output when the unit is operating The laser radiation ...
Страница 6: ...l and thermal extremes Protect the equipment from rapid variation in temperature Handle all connectors both electrical and optical with care Do not use unnecessary force as this may damage the connectors Handle the optical fiber with care mechanical stress can decrease the performance and potentially destroy the fiber Continual bending of the optical fiber can cause damage it is important to keep ...
Страница 7: ...efore plugging it into a receptacle 2 ALWAYS cover the fiber end that is not in use with a fiber cap or dust protection cover Service Only trained and approved Thorlabs personnel should service the system Please contact techsupport thorlabs com Accessories and Customization Though the system is easily adapted for custom interfaces to achieve the listed specifications this system should only be use...
Страница 8: ...5 mW Optical Power Stability 0 5 dB dB Optical Isolation 1 N A dB Linear Polarization 2 80 1 Storage Operating Temperature 10 25 40 C Humidity 85 non condensing environment Supply Voltage 3 100 240VAC 50 60 Hz Laser Classification per IEC 60825 1 Class 1M Physical Size 315 x 295 x 146 mm SL1325 P16 Parameters Minimum Typical Maximum Units Central Wavelength 1310 1325 1340 nm Tuning Range 3dB cut o...
Страница 9: ... can sweep a wide wavelength range at very high speeds A wide spectral tuning range is required for high axial resolution OCT images and a high sweep speed is needed to obtain real time 2D and 3D OCT imaging speeds Thorlabs now offers a variety of frequency swept laser sources based on a tunable external cavity semiconductor laser designed and optimized for SS OCT and OFDR applications Basic opera...
Страница 10: ...are equally spaced in optical frequency k space This clock while useful for resampling OCT data sets can also be used to synchronize other measurements At fast frequency sweep speeds the laser frequency varies sinusoidally in time For OCT imaging accurate and reliable recalibration of the interference output is required so that the samples are equidistant in frequency Thorlabs swept source laser i...
Страница 11: ... for obtaining high image resolution while the high tuning speed is needed for video rate imaging speed higher than 20 fps Thorlabs Swept Source Laser is specifically designed for SS OCT applications It sweeps across at least 100nm at a 16 kHz repetition rate offers a coherence length of 6mm and delivers more than 10mW of average optical power out of an SMF28 single mode fiber The Swept Source Eng...
Страница 12: ...ver the laser is enabled Pressing the Laser Enable keypad when the laser is already enabled will turn the laser and indicator off The SYS OK indicator will turn on when all necessary conditions are met for proper operation of the unit The laser cannot be enabled until the SYS OK indicator turns on The TEMP indicator will turn on under the following conditions The internal temperature of the enclos...
Страница 13: ...ide of the unit see Figure 5 Figure 5 The AC input voltage must be 100 240 VAC and 50 60 Hz Electrical Outputs Figure 6 Rear View of the Swept Source OCT System The SLXXXX P16 has the following electrical outputs at the back panel see Figure 6 BNC output TRIGGER generates a TTL signal for the tuning scan BNC output MZI OUT Sinusoidal trigger pulse see Figure 3 above This is the interference signal...
Страница 14: ...sing the LASER ENABLE keypad Figure 7 Swept Source front panel controls 3 2 Shutting Down the System The following steps should be followed when shutting down the system 1 Turn the laser off by pressing the Laser Enable switch The LASER ON indicator will turn off 2 Turn the power Switch to O 3 3 Troubleshooting Symptom Possible Cause Solution System does not start No power is supplied to the unit ...
Страница 15: ...anual of each laser Opto Electronics Control Electronics Optics and Nano Positioning Product Lines Thorlabs offers a two year warranty on the above mentioned product lines provided normal use and maintenance of the products and when properly handled and correctly installed Thorlabs shall repair or replace any defective or nonconforming product as detailed above We ask that buyer contact Thorlabs f...
Страница 16: ...Swept Source Laser 14138 D02 Rev F 04 17 09 Page 15 of 18 Part 5 Certifications and Compliance Note The SL1050 P16 and SL1325 P16 were tested as components of the OCS1050SS and OCS1300SS ...
Страница 17: ...OEM products that means assemblies to be built into a unit by the user e g OEM laser driver cards Components Mechanics and optics Left over parts of units disassembled by the user PCB s housings etc If you wish to return a Thorlabs unit for waste recovery please contact Thorlabs or your nearest dealer for further information Waste treatment is your own responsibility If you do not return an end of...
Страница 18: ...e an open fuse in the Swept Laser Source you must perform the following procedure Remove the AC input cable that may be connected to the unit Slide open the cover of the fuse holder located at the rear panel of the Swept Laser Source as shown in figure 48 Remove the existing fuse and install the appropriate replacement fuse for Swept Laser Source Use only is 1A 250VAC Type T 5x20mm style fuse IEC ...
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