Wavelength dispersive fourier transform spectrometer

Details Wavelength dispersive fourier transform spectrometer Wavelength dispersive fourier transform spectrometer

2008-01-08

2008-01-08

Turner, Samuel A. (Department: 2877)

Optics: measuring and testing

By light interference

Spectroscopy

C356S326000

Reexamination Certificate

active

07317535

ABSTRACT:
A spectroscopic method and system for the spectral analysis of an optical signal directed to a wavelength dispersive component having two interleaved dispersive devices. For a single wavelength, the optical signal exiting the interleaved dispersive devices includes two wavefronts generally disposed at an angle to one another and producing an interference pattern. The interference pattern is detected and subsequently analyzed via a Fourier transform to produce the optical spectrum of the input beam. The method and system are applicable in a planar waveguide environment, in reflection and transmission geometries.

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patent: 6590668 (2003-07-01), Huber et al.
patent: 6687007 (2004-02-01), Meigs
Harlander et al., in Applied Optics, vol. 41, pp. 1343-1352, 2002.

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