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Proceedings Paper

Compact Raman spectrometer system for low frequency spectroscopy
Author(s): Christophe Moser; Frank Havermeyer
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Paper Abstract

We report low frequency Stokes and anti-Stokes Raman spectra resolving frequency shifts down to 15 cm-1 using a standard commercial Raman spectrometer with ultra-narrow band notch filters. The ultra-narrow band notch filters were fabricated holographically in a glass material with optical densities ranging from 4 to 6 per notch filter at the standard Raman laser lines of 488 nm, 532 nm, 633 nm and 785 nm. The notch filters have greater than 80% transmission at 15cm-1 away from the laser line. This simple notch filter-based system provides high performance low frequency Raman spectroscopy as a low cost alternative to bulky and expensive triple spectrometer Raman systems.

Paper Details

Date Published: 25 February 2010
PDF: 6 pages
Proc. SPIE 7598, Optical Components and Materials VII, 75980S (25 February 2010); doi: 10.1117/12.842736
Show Author Affiliations
Christophe Moser, Ondax, Inc. (United States)
Frank Havermeyer, Ondax, Inc. (United States)

Published in SPIE Proceedings Vol. 7598:
Optical Components and Materials VII
Shibin Jiang; Michel J. F. Digonnet; John W. Glesener; J. Christopher Dries, Editor(s)

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