- Quantum Cascade Laser Starter Kit Instructions Manual

Starter Kit Instruction Manual Maintenance 41
[5] Place the sc rews (3) in the PET holder (4).
[6] Place the PET holder (4) on the two guides
(5) on the back of the laser rece pta c le (6)
being careful of maintaining the PET holder
higher on the laser side than on the back side.
[7] Once the holder (4) is engaged in the guides,
push it down until contact with the gilded ce-
ramic pads of the laser is established.
[8] Screw the PET holder (4) to the receptacle
(6).
[9] Verify that the contact is established by
measuring with an o hm meter on the LLH100
low impedance plug.
Note: For reproducible measurement be care-
ful of measuring with the positive probe on t he
+ LLH100 connection.
Note: If the contact is bad, adjust the plas-
tic screws (7) at the pressing end of the PET
holder (4).
[10] Place a dry desiccant bag close to the
low impedance line plug. Only applicable if
desiccation is needed and the lasers has bee n
shipped with a desiccant bag.
Note: This operation is preferably performed
in a gloves box under dry nitrogen atmosphere
if the ambient atmosphere is humid (this is
not necessary un der normal conditions 50-60%
humidity).
[11] Close the cover (2) with the screws (1).
2
1
3
4
5
6
Fig.30: Placing the PET U-shaped holder