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Proceedings Paper

Characterization and application of optical fibers with FT-IR spectroscopy
Author(s): Juock S. Namkung; Michael L. Hoke; Robert S. Rogowski
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Paper Abstract

Fourier transform infrared spectroscopy has been used to determine the spectral characteristics of several kinds of multimode optical fibers, in the range of approximately two to five microns. Optical-fiber-spectrometer response curves were determined for each kind of optical fiber. Silica fibers as well as glass clad fluoride fibers were examined as references, since these fibers have been extensively investigated. Other fibers, more useful as remote probes, particularly for evanescent wave spectroscopy have also been studied. These include plastic coated chalcogenide and newly developed sapphire optical fiber. The effect of the cladding on the fibers' spectral characteristics has been studied since optical fibers must be declad over a portion of their length for many applications involving evanescent wave sensing.

Paper Details

Date Published: 31 January 1994
PDF: 2 pages
Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); doi: 10.1117/12.166726
Show Author Affiliations
Juock S. Namkung, College of William and Mary (United States)
Michael L. Hoke, Air Force Phillips Lab. (United States)
Robert S. Rogowski, NASA Langley Research Ctr. (United States)


Published in SPIE Proceedings Vol. 2089:
9th International Conference on Fourier Transform Spectroscopy
John E. Bertie; Hal Wieser, Editor(s)

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