Exfo IQS-2600B Tunable Laser Source for IQS Platforms User Manual Page 24

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Setting Standard Parameters
18 IQS-2600B
Switching between Normal and High-Resolution (HR) Modes
Switching between Normal and
High-Resolution (HR) Modes
You can use two different modes to select your values in your Instrument
function tab.
High-Resolution
Normal
In HR mode, the laser linewidth is reduced by a factor of 20 %. Typically, at
1550 nm, the Normal mode will produce a 1.6 GHz FWHM linewidth, while
the HR mode will produce a 1.4 GHz FWHM linewith. The tuning range
(or power at extreme wavelength) might be smaller in HR mode than in
Normal mode.
To select the operation mode:
Move the switch located in the Mode panel of the Instrument function tab.
.
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