Datasheet
5.3 General procedures
5.3.2. QCL shutdown
1. reduce the external power supply voltage slowly, do not reach 0 as the polarity
might reverse
CAUTION:
Make sure the polarity of the laser is correct. Permanent
damage may occur.
2. if the QCL is operated in pulsed mode: turn off the TPG
3. set the TCU to a temperature close to ambient temperature
4. wait until the temperature setting is reached
5. turn off the TCU
c
2012 SA 67