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Proceedings Paper

Designing of a prototype fiber optic Raman sensor
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Paper Abstract

A novel fiber optic prototype sensor based on Raman spectroscopy for qualitative and quantitative monitoring of various chemicals in the sample was developed. The sensor employs a high power 670nm laser diode as an excitation light source and a specially designed fiber optic Raman probe with launching and collecting fibers. Raman signal was collected by six optical fibers; filtered, and then fed to the spectrometer through another optical fiber bundle. The uniqueness of the sensor lies in its compact and stable design configuration, that includes carefully aligned optical components, viz. laser diode, filter holder, and miniature spectrometer. Developed sensor is immune to ambient light fluctuation and offers a cost effective solution for probing several species in harsh environment. Various issues like system fabrication, optimization, functional stability, signal/noise ratio, repeatibility etc are well addressed and presented in this paper.

Paper Details

Date Published: 8 November 2005
PDF: 6 pages
Proc. SPIE 5994, Chemical and Biological Sensors for Industrial and Environmental Security, 599409 (8 November 2005); doi: 10.1117/12.630753
Show Author Affiliations
Vidhu S. Tiwari, Mississippi State Univ. (United States)
Rajamohan R. Kalluru, Mississippi State Univ. (United States)
Fang-Yu Yueh, Mississippi State Univ. (United States)
Jagdish P. Singh, Mississippi State Univ. (United States)
Sunil K. Khijwania, Indian Institute of Technology-Guwahati (India)


Published in SPIE Proceedings Vol. 5994:
Chemical and Biological Sensors for Industrial and Environmental Security
Arthur J. Sedlacek III; Steven D. Christesen; Roger J. Combs; Tuan Vo-Dinh, Editor(s)

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