Fiber-Optic-Based Evanescent Field Infrared Spectroscopy Using Tunable Diode Lasers

I. Schnitzer; A. Katzir; U. Schiessl; W. Riedel; M. Tacke

doi:10.1117/12.951393

2 June 1989 Fiber-Optic-Based Evanescent Field Infrared Spectroscopy Using Tunable Diode Lasers

I. Schnitzer, A. Katzir, U. Schiessl, W. Riedel, M. Tacke

Proceedings Volume 1048, Infrared Fiber Optics; (1989) https://doi.org/10.1117/12.951393
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

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.

Citation Download Citation

I. Schnitzer, A. Katzir, U. Schiessl, W. Riedel, and M. Tacke "Fiber-Optic-Based Evanescent Field Infrared Spectroscopy Using Tunable Diode Lasers", Proc. SPIE 1048, Infrared Fiber Optics, (2 June 1989); https://doi.org/10.1117/12.951393

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