Authors: Carroll, Mary K.¹; Bright, Frank V.²; Hieftje, Gary M.¹

Source: Applied Spectroscopy, Volume 43, Issue 1, Pages 1-178 (January 1989) , pp. 176-178(3)

Publisher: Society for Applied Spectroscopy

Abstract:

Recently, there has been considerable research into the development and applications of fiber-optic spectroscopic sensors. The large number of recent reviews attests to the widespread interest in this area. Fiber optics have several advantages over conventional optics; they can easily be miniaturized, and can be used at a remote distance from the laboratory and/or under harsh conditions. Our research group has been active in the area of fiber-optic chemical sensors. In the course of setting up an instrumental system for sensor research, we discovered some unusual luminescence behavior originating in the optical fiber itself. When a pulsed, high-energy, ultraviolet laser beam was coupled into a fused-silica fiber, the fiber was seen to glow a bright red color. The color was intense enough to be seen with the naked eye in a well-lit room, and appeared to be uniform along the length of the fiber. We proceeded to study this observed emission. This report summarizes our observations.

Keywords: Fluorescence; Instrumentation, sensors; Luminescence; Optics; Fiber optics; Raman spectroscopy; Spectroscopic techniques

Document Type: Research article

DOI: http://dx.doi.org/10.1366/0003702894201879

Affiliations: 1: Department of Chemistry, Indiana University, Bloomington, Indiana 47405 2: Department of Chemistry, Indiana University, Bloomington, Indiana 47405; present address: Department of Chemistry, State Univeristy of New York at Buffalo, Buffalo, NY 14214

Publication date: 1989-01-01

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