Wavelength tracker for swept wavelength sensor interrogation...

Details Wavelength tracker for swept wavelength sensor interrogation... Wavelength tracker for swept wavelength sensor interrogation...

2009-02-27

2011-11-01

Evans, F. L. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

C356S308000, C356S328000

Reexamination Certificate

active

08049883

ABSTRACT:
A swept wavelength interrogation system includes a tunable light source for outputting a light beam that is tunable over a range of wavelengths and an optical reader head for distributing the light beam among a plurality of sensors and for measuring response spectra from the sensors. A wavelength-tracking device measures centroid wavelengths of the light beam. A processor calculates a centroid wavelength of the response spectra from the sensors based on the measured centroid wavelengths of the light beam.

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