2 – 20
Getting Started
Item
Value
Notes
Laser Diode Settings
LD I
0 mA
Laser current setpoint
LD Ilim
20 mA
Laser current limit
PD Ilim
5000
μ
A
Photodiode current limit
PD I
0
μ
A
Photodiode current setpoint
LD Vlim
5 V
Laser voltage limit
Laser Diode Config
I Range
high
Laser current range
BW
high
Modulation bandwidth
Modulate
no
Modulation input not enabled
PD unit use mW
no
CP mode uses
μ
A, not mW
PD bias
2.5 V
Photodiode reverse bias
PD resp.
1
μ
A
/
mW
Photodiode responsivity
CC
/
CP lock
no
CC
/
CP transitions allowed
Trip-o
ff
@ LD Ilim
no
Do not trip o
ff
when laser current limit
is reached
Trip-o
ff
@ CP Plim
no
Do not trip o
ff
when laser power limit
is reached in CP mode
Trip-o
ff
@ CC Plim
no
Do not trip o
ff
when laser power limit
is reached in CC mode
Trip-o
ff
@ TE o
ff
no
Do not trip o
ff
when when the TEC
controller is o
ff
Trip-o
ff
@ Tmax
no
Do not trip o
ff
when when max. tem-
perature is reached
Trip-o
ff
@ Tmin
no
Do not trip o
ff
when when min. tem-
perature is reached
LDC500 Series Laser Diode Controllers
