Laser Source; Receiver - Keysight N4375D User Manual

Laser Source

Receiver

Keysight N4375D Lightwave Component Analyzer, User's Guide
The Tools tab always showing the current settings of the
instrument. These may be different to what is selected on
the other tabs.
Source Wavelength (nm)
Set the wavelength of the laser source.
Power [dBm]
Set the optical output power of the laser source.
Laser On
• Select to turn the laser source on.
• Deselect to turn the laser source off.
External Input
The External Input is an optional extra for the Lightwave
Component Analyzer.
• Select to use a laser source connected to the External
Input on the rear of the optical test set.
• Deselect to use the the laser source in the optical test set.
Optimize ModBias
Start an immediate bias optimization for the modulator.
Optical Input
Select the input to which your device under test is
connected.
• For input signals up to +7 dBm (calibrated up to
+5 dBm), use Input 1.
• For input signals up to +17 dBm (calibrated up to
+15 dBm), use Input 2.
Receiver Wavelength (nm)
Set the wavelength of to be used by the optical power meter.
User Interface Reference
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