Laser Sources How to Use Laser Source Modules
98 Agilent 8163A Lightwave Multimeter, Agilent 8164A Lightwave Measurement
System, & Agilent 8166A Lightwave Multichannel System, Fourth Edition
7 Move to <Internal>, by using the cursor key, and press Enter. The text Mod
appears in the Laser Source channel.
8 Move to the [Mod Src] parameter for the upper wavelength source and press
Enter.
9 Move to <Coherence Ctrl.>, by using the cursor key, and press Enter. The text
Mod is still displayed in the Laser Source channel.
10 Enable the laser output, by pressing the Active hardkey on the module’s front
panel.
How to Use Triggers
Some Laser Source modules allow you to output trigger signals to external
measurement instruments.
How to Use Output Triggering
You can configure the output trigger connector to output a TTL signal at the
frequency of the internal modulation of a Agilent 8163A Series Laser Source
module.
To set your module’s Output Trigger Configuration:
1 See “How to Set the Trigger Configuration” on page 62 for how to configure
the trigger connectors.
2 Move to the Laser Source channel and press [Menu].
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