© 2015 Thorlabs
3 Operating Instruction
19
Note
The laser current output must be switched on, otherwise a current control via MOD IN is
impossible.
Monitoring the laser current
The output "CTL OUT" (R3) delivers a DC voltage, proportional to the actual laser current.
The output voltage ranges from:
· 0 …+10 V with cathode grounded
· 0 … -10 V with anode grounded.
Load resistance should be >10 kW. The conversion coefficient for this output is the
multiplicative inverse of k
MOD
:
k
CTL OUT
= 10V/I
max
[V/mA]
Note
All operating elements of the LDC2xxC are active at any time. For remote operation, make sure
that the manual settings are not changed during operation.
10
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