Characterization and application of optical fibers with FT-IR spectroscopy

Juock S. Namkung; Michael L. Hoke; Robert S. Rogowski

doi:10.1117/12.166726

31 January 1994 Characterization and application of optical fibers with FTIR spectroscopy

Juock S. Namkung, Michael L. Hoke, Robert S. Rogowski

Proceedings Volume 2089, 9th International Conference on Fourier Transform Spectroscopy; (1994) https://doi.org/10.1117/12.166726
Event: Fourier Transform Spectroscopy: Ninth International Conference, 1993, Calgary, Canada

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.

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Juock S. Namkung, Michael L. Hoke, and Robert S. Rogowski "Characterization and application of optical fibers with FTIR spectroscopy", Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); https://doi.org/10.1117/12.166726

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KEYWORDS

Optical fibers

Spectrometers

Cladding

Sapphire

Spectroscopy

Absorption

FT-IR spectroscopy

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