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Proceedings Paper

Carbon dioxide detection using a co-doped Tm-Ho optical fiber
Author(s): Theodore F. Morse; Kyunghwan Oh; Lawrence J. Reinhart
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Paper Abstract

A Tm-Ho co-doped optical fiber laser exhibits significant fluorescence between 1.6 and 2.1 micrometers . Such a fiber can from the basis of a gas detection system, since many gases of interest have overtone absorption bands in this wavelength region: in particular, carbon dioxide, methane, arsine, replacement gases for refrigerants, and nitrous oxide. Using this fiber we have demonstrated a simple shceme for the detection of overtone absorption bands of carbon dioxide in the 2 micrometers region. The detection sensitivity for carbon dioxide with this present method is of the order of 1%.

Paper Details

Date Published: 25 September 1995
PDF: 7 pages
Proc. SPIE 2510, Fiber Optic and Laser Sensors XIII, (25 September 1995); doi: 10.1117/12.221696
Show Author Affiliations
Theodore F. Morse, Brown Univ. (United States)
Kyunghwan Oh, Brown Univ. (United States)
Lawrence J. Reinhart, Brown Univ. (United States)


Published in SPIE Proceedings Vol. 2510:
Fiber Optic and Laser Sensors XIII
Ramon P. DePaula; John W. Berthold, Editor(s)

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