Method and apparatus for compact birefringent interference...

Details Method and apparatus for compact birefringent interference... Method and apparatus for compact birefringent interference...

2006-01-10

2006-01-10

Evans, F. L. (Department: 2877)

Optics: measuring and testing

Plural test

C356S301000, C356S318000, C356S417000, C250S461100

Reexamination Certificate

active

06985216

ABSTRACT:
The disclosure relates to a method and apparatus for a compact birefringent interference imaging spectrometer. More specifically, the disclosure relates to a portable system for obtaining a spectrum of a sample. The portable system may include a first photon emission source for illuminating the sample with a first plurality of photons to thereby produce photons scattered by the sample; an optical lens for collecting the scattered photons; a filter for receiving the collected scattered photons and providing therefrom filtered photons; a first photon detector for receiving the filtered photons and obtaining therefrom a spectrum of the sample; and a rejection filter for blocking the photons from said first photon emission source from entering said first photon detector. The disclosure additionally relates to methods of using such portable systems.

REFERENCES:
patent: 4200801 (1980-04-01), Schuresko
patent: 5801828 (1998-09-01), Collins
patent: 6002476 (1999-12-01), Treado
patent: 6008888 (1999-12-01), Nottke et al.
patent: 6239904 (2001-05-01), Serfling et al.
patent: 6485981 (2002-11-01), Fernandez
patent: 6549861 (2003-04-01), Mark et al.
patent: 6584413 (2003-06-01), Keenan et al.
patent: WO 01/77648 (2001-10-01), None

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