Superior analyzer for raman spectra with high acceptance cone, resolution, transmission, and quantum efficiency, and strong background reduction

Access full-text files

Date

2013-02-26

Authors

Varghese, Philip L.
Fink, Manfred F.
Borysow, Jacek

Journal Title

Journal ISSN

Volume Title

Publisher

United States Patent and Trademark Office

Abstract

A Raman analyzer for analyzing light emitted from a Raman cell is provided that has a beam splitter configured to split the light emitted from the Raman cell into a first beam and a second beam. An atomic vapor filter can be used to filter a Raman scattered line from the first beam and a chopper system can periodically interrupt the first and second beams that are directed towards a photo detector, which can convert light from the first and second beams into an electrical signal. The signal output from the photo detector can optionally be amplified, digitized, Fourier filtered, and/or subjected to Fourier analysis.

Description

Keywords

LCSH Subject Headings

Citation