O P E R A T I O N S
Connecting to the Laser Controller
12
LDC-3700 Series
C H A P T E R
2
If a circuit opens during laser operation (while the LASER is ON), the laser may be
damaged by a momentary circuit break−and−remake before the final circuit break. The
cable connections to the laser must be secure enough that they will not open−circuit,
should they be jostled or bumped..
Figure 2.1
Laser Diode Connection Configurations
+
-
+
Bias
3700B Series Laser Diode Controller
OUTPUT
7
6
9
5
3
P. D.
L. D.
Earth Ground
+
-
+
Bias
3700B Series Laser Diode Controller
OUTPUT
7
6
9
5
3
P. D.
L. D.
Earth Ground
+
-
+
Bias
3700B Series Laser Diode Controller
OUTPUT
7
6
9
5
3
P. D.
L. D.
Earth Ground
+
-
+
Bias
3700B Series Laser Diode Controller
OUTPUT
7
6
9
5
3
P. D.
L. D.
Earth Ground
Common Laser Cathode
Photodiode Cathode
Common Laser Cathode
Photodiode Anode
Common Laser Anode
Photodiode Cathode
Common Laser Anode
Photodiode Anode
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