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Proceedings Paper

Fiber-Optic-Based Evanescent Field Infrared Spectroscopy Using Tunable Diode Lasers
Author(s): I. Schnitzer; A. Katzir; U. Schiessl; W. Riedel; M. Tacke
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Paper Abstract

A simple fiber-optic chemical sensor which may be used to detect in-situ and in real time concentrations and chemical transformation of liquids and pastes is reported. The sensor, comprised of a tunable IR diode laser source and a cladding-free multimode IR fiber, operates on the principle of evanescent field absorption spectroscopy. The sensor's response is theoretically analyzed and experimentally verified.

Paper Details

Date Published: 2 June 1989
PDF: 8 pages
Proc. SPIE 1048, Infrared Fiber Optics, (2 June 1989); doi: 10.1117/12.951393
Show Author Affiliations
I. Schnitzer, Tel-Aviv University (Israel)
A. Katzir, Tel-Aviv University (Israel)
U. Schiessl, Fraunhofer-Institut fur Physikalisce Messtechnik (Germany)
W. Riedel, Fraunhofer-Institut fur Physikalisce Messtechnik (Germany)
M. Tacke, Fraunhofer-Institut fur Physikalisce Messtechnik (Germany)


Published in SPIE Proceedings Vol. 1048:
Infrared Fiber Optics
James A. Harrington; Abraham Katzir, Editor(s)

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