How to Use a compact Tunable Laser Compact Tunable Lasers
Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Sixth Edition 161
How to Use a compact Tunable
Laser
The User Interface
Compact TLS modules utilize the User Interface described in the “Tunable
Lasers” on page 119. A description of how to use their modulation features
given following “How to Modulate a Signal” on page 142.
SBS Suppression
SBS Suppression is a frequency modulation that allows you to launch high
optical output power into longer fibers without the impairment to time-
domain measurements that can be associated with intensity (amplitude)
modulation.
To use the SBS Suppression control (SBS-C) feature:
Refer to Figure 83 on page 162.
1 Move to the Tunable Laser channel and press the [Details] softkey.
2 Set appropriate values in the Freq. Modulation box:
•The Frq Mod scr > SBS-Ctrl field is fixed, since SBS-Ctrl is the only frequency
modulation source currently available.
•Set a value for the SBS suppression control frequency, SBSC frq, appropriate
to your application.
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