How To Set Attenuation - HP 8163A User Manual

Lightwave multimeter & lightwave measurement system
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Using Laser Source Modules
How to Use Laser Source Modules
1 Move to [S
] parameter and press E
TATE
2 Move to [O
], by using the cursor key, and press E
N
green LED on the module front panel switches on.
To disable laser output using the user interface:
1 Move to [S
] parameter and press E
TATE
2 Move to [O
], by using the cursor key, and press E
FF
green LED on the module front panel switches off.

How to Set Attenuation

The amount of power that is output from a source can be controlled.
You can use the attenuation parameter to reduce the optical power
of the laser output.
P
output
Where,
P
is the power level at the output of the module,
output
P
is the power level at the output of the source, and
source
ATT
is the attenuation parameter.
To set the attenuation value to 2 dB:
91
NTER
NTER
− ATT (dB)
= P
source
.
. The
NTER
.
. The
NTER
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8164a

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