NDLI: Radiation Induced Coloring of Glasses Measured during and after Electron Irradiation

Content Provider	IEEE Xplore Digital Library
Author	Swyler, K. J. Hardy, W. H. Levy, P. W.
Copyright Year	1963
Abstract	The growth of color centers during irradiation, and the decay after irradiation, has been studied in two glasses using recently developed equipment for making optical absorption and luminescence measurements during and after electron irradiation. The glasses studied were NBS 710, a soda-lime silicate glass and NBS 711, a lead-silicate glass. Both glasses exhibit similar coloring characteristics. The radiation induced absorption spectra consists of a weak Gaussian shaped band in the visible, a stronger Gaussian band in the ultra violet and a band edge "shift" which may be accurately approximated by a third Gaussian band. For all absorption bands the color center vs. dose (or irradiation time) curves can be accurately resolved into two saturating exponential and one linear component. The decay curves obtained after the irradiation is terminated can be accurately expressed by three exponential components. Coloring and decay curves made at different dose rates indicate that the processes responsible for decay after irradiation and electron hole recombination during irradiation play important roles in determining the rate and extent of coloring. The results are qualitatively in agreement with some very simple kinetic treatments for color center formation. In some, but not all, respects the quantitative agreement is also good.
Sponsorship	IEEE Nuclear and Plasma Sciences Society Computer Applications in Nuclear and Plasma Sciences (CANPS) Lawrence Berkeley Lab. Lawrence Livermore Nat. Lab. APS College of William and Mary Continuous Electron Beam Accelerator Facility NASA Defence Nuclear Agency Sandia National Laboratories Jet Propulsion Laboratory Brookhaven Nat. Lab. Lawrence Livermore Nat. Lab IEEE/NPPS Radiat. Effects Committee Defence Nuclear Agency/DoD Sandia National Laboratories/DOE Jet Propulsion Laboratory/NASA Phillips Lab./DoD
Starting Page	2259
Ending Page	2264
Page Count	6
File Size	2012450
File Format	PDF
ISSN	00189499
Volume Number	22
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1975-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Glass Electrons Optical control Electromagnetic wave absorption Kinetic theory Computer interfaces Optical computing Lighting control Luminescence Steady-state
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Electrical and Electronic Engineering Nuclear Energy and Engineering

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