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3
Operating Instructions
How to Perform a Wavelength Sweep
What is a Wavelength Sweep?
How to Set the Wavelength Sweep
50
A wavelength sweep is performed when the instrument changes the
optical wavelength of the optical output across a user-defined wavelength
range. You can use a wavelength sweep to measure the
wavelength-dependent loss of an optical component. The laser can
change the wavelength continuously at a constant rate or in steps with
stops at each intermediate point.
The Sweep Parameters
These are the parameters for the wavelength sweep:
λ
•
[
Start], the wavelength at which the sweep begins,
λ
•
[
Stop], the wavelength at which the sweep ends,
•
[Step], the size of the change in the wavelength for each step of a
stepped sweep,
•
[Cycles], the number of times the sweep is repeated,
•
[Dwell], the amount of time spent at the wavelength during each step,
for a stepped sweep
•
[Vsweep], the speed of a continuous sweep,
•
[Sweep mode], see
•
[Repeat mode], see
For a <Continuous> sweep, [Step] sets the wavelength interval between
NOTE
output triggers, if you have set <Output Trigger Mode> to <Step
Finished>, see
How to Perform a Sweep
How to Set the Repeat Mode
How to Use Output Triggering
Keysight 81960A Compact TLS Module User's Guide
on page 52,
on page 51.
on page 64.
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