Gamma ray radiation induced visible light absorption in P-doped silica fibers at low dose levels

A CCD Fiber Optic Spectrometer has been used to monitor the gamma ray radiation induced loss in P-doped fibers at different dopant concentrations (1, 5 and 10 mol%) with a light source (an incandescent bulb with a temperature of 2800–3000 K). The range of dose rates is limited to that used in medica...

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Bibliographic Details
Published in:Radiation measurements 1999-12, Vol.30 (6), p.725-733
Main Authors: Lu, Ping, Bao, Xiaoyi, Kulkarni, Narayan, Brown, Kellie
Format: Article
Language:English
Subjects:
Absorption
Applied sciences
Circuit properties
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Fibers
Gamma
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
P-doped
Physics
Semiconductors
Sensors, gyros
Visible and ultraviolet spectra
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Summary:A CCD Fiber Optic Spectrometer has been used to monitor the gamma ray radiation induced loss in P-doped fibers at different dopant concentrations (1, 5 and 10 mol%) with a light source (an incandescent bulb with a temperature of 2800–3000 K). The range of dose rates is limited to that used in medical applications (cancer treatments), that is 0.1 to 1.0 Gray per minute (Gy/min). At low integral dose level (
ISSN:1350-4487
1879-0925
DOI:10.1016/S1350-4487(99)00233-4