Optical Characterization of Silica Aerogel-Reference-Cited by-同舟云学术

Optical Characterization of Silica Aerogel

Published:1988 Issue: Volume:121 Page:
ISSN:0272-9172
Container-title:MRS Proceedings
language:en
Short-container-title:MRS Proc.

Author:

Hrubesh Lawrence W.,Alviso Cynthia T.

Abstract

ABSTRACTTwo optical methods are described for mapping the local variations of refractive index within monoliths of porous silica aerogel. One is an interferometrie measurement that produces “iso-index” fringes in a two dimensional image; an orthogonal view gives the third dimension information. The other method uses the deflection of a He-Ne laser beam to map the gradient index within a sample. The quantification of the measurements is described and the accuracy of the results is discussed.

Publisher

Springer Science and Business Media LLC

Subject

General Engineering

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