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Chapter 7
Troubleshooting
7.1 Chapter overview
This chapter sets out troubleshooting instructions
for ensuring safe and trouble-free operation of the
Quantum Cascade Laser Starter Kit system.
7.2 Principle
The personnel must have read and understood this
documentation before carrying out any activity what-
soever with the Quantum Cascade Laser Starter
Kit. In case of unclear information, please contact
the distributor.
The power supply reaches max cur-
rent for a very low voltage
- The low imp edance line or the QCL is
shorted to ground.
√
Check the cabling.
√
Replace the laser if necessary.
- The DC power supply is NOT floating.
√
Change the cabling in order to leave
the laser floating.
- The laser tightening device is too ti ght-
ened and the QCL laser is shorted to
ground.
√
Loose the laser fixture device.
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