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Laser Method for Aluminum-Hole Defect Distribution Mapping in Quartz

Published online by Cambridge University Press:  28 February 2011

Herbert G. Lipson  and
Pierre Zecchini
Herbert G. Lipson
Affiliation:
Rome Air Development Center, Solid State Sciences Laboratory, Hanscom AFB, MA 01731-5000
Pierre Zecchini
Affiliation:
Université de Franche-Comté, Laboratoire de Cristallographie et Chimie Minale, 25030 Besancon CEDEX, France
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Abstract

A laser method for non-destructively mapping the distribution of aluminum-hole centers, Al-h, in quartz has been developed utilizing an aluminum-hole A3 absorption band nearly coincident with the He-Ne 632.8 nm wavelength. Al-h distribution for quartz sample with varying aluminum concentration compared with coloration and the dose dependence of competing aluminum compensation mechanisms Al-h and Al-OH is determined. From a comparison with electron spin resonance(ESR) results an approximate absorption coefficientcalibration of 0.1 cm-1/ppm Al-h is found.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 138: Symposium Q – Characterization of the Structure and Chemistry of Defects in Materials , 1988 , 179
Copyright
Copyright © Materials Research Society 1989

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