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Optical Engineering

Response Of Fiber Optic Waveguides To Ionizing Radiation
Author(s): R. C. Webb; L. Isaacson; E. P. Marram
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Paper Abstract

The introduction of low-loss optical fibers (<20 db/km) has led to their increased use in optical communications and data acquisition systems. Optical fibers have intrinsic advantages over wire bundles. However, the application of ionizing radiation (gamma rays, X-rays, and electrons) causes increased attenuation (loss of transmission) in the fibers. This paper summarizes the various ex-perimental facilities and optical systems used by investigators to study the effects of ionizing radiation on optical fiber waveguides. The applicable equations used by investigators to express optical fiber transmission loss and absorption are summarized. Recent results from irradiating silica optical fibers doped with phosphorus, boron, and/or germanium are presented. The effect of temperature on transmission is discussed. Transient recovery mechanisms such as geminate recombination and tunneling, as applied to irradiated fiber optic waveguides, are reviewed. Areas meriting further investigation are outlined.

Paper Details

Date Published: 1 December 1979
PDF: 6 pages
Opt. Eng. 18(6) 186568 doi: 10.1117/12.7972436
Published in: Optical Engineering Volume 18, Issue 6
Show Author Affiliations
R. C. Webb, Defense Nuclear Agency. (United States)
L. Isaacson, Geo-Centers, Inc. (United States)
E. P. Marram, Geo-Centers, Inc. (United States)

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