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EXFO IQS-2400 WDM Laser Source for IQS-500/600 User Manual

Page 32

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Setting Up the WDM Laser Source

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IQS-2400

Configuring Wavelength/Frequency or Delta Temperature

Configuring Wavelength/Frequency or Delta

Temperature

Values appearing on the display correspond to:

³

the actual value obtained in Normal or Dither Modulation modes at
selected wavelength

OR

³

the delta temperature (difference between the above value and the
temperature obtained after switching to High Wavelength Stability or
On/Off Modulation modes).

Adjustable parameters depend on the control mode:

³

Normal and Dither modes: to adjust the spectral value (wavelength or
frequency). Relative value is only available for these modes.

³

High Wavelength Stability and On/Off Modulation modes: once you
have set the wavelength in Normal mode or Dither, you can use these
modes to enhance wavelength stability at the established value
(permitted tuning range: ±1 °C).

³

In all modes, modifying the wavelength or frequency also modifies the
internal laser temperature. The source will then take a few seconds to
adjust to the new value.