Spectrally stabilized broadband optical source

Details Spectrally stabilized broadband optical source Spectrally stabilized broadband optical source

G - Physics

01

J

G01J 3/02 (2006.01) G01C 19/72 (2006.01) G01J 3/18 (2006.01) G02B 5/18 (2006.01) G01D 5/353 (2006.01)

Patent

CA 2639463

Methods and apparatus enable compensation of source light wavelength fluctuations due to instability of a broadband source within an optical sensing system. Tapping off two or more portions of the light output from the source at specific wavelength bands enables power based measurements of these portions. The measurements provide compensation ability by either use as feedback to control the source or for determination of the central wavelength so that adjustments can be applied to sensor response signals received at a receiver.

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