Piezo-absorption coefficients of weakly and strongly absorbing crystals

Ramaseshan, S. ; Ranganath, G. S. ; Ramesh, T. G. ; Rajagopalan, S. R. (1969) Piezo-absorption coefficients of weakly and strongly absorbing crystals Materials Research Bulletin, 4 (8). 535-544 . ISSN 0025-5408

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/002554...

Related URL: http://dx.doi.org/10.1016/0025-5408(69)90112-3


The effect of stress on a crystal is to distort not only the index ellipsoid but also the absorption ellipsoid. The piezo-absorption tensor like the photoelastic tensor is a fourth rank polar tensor. The methods of obtaining the components of the piezo-absorption tensor in weakly absorbing crystals are given. It is shown that by measuring the coefficients of reflection at normal and oblique incidence in stressed and unstressed metals it is possible to obtain changes in refractive and absorption indices. From this the piezo-optic and the piezo-absorption coefficients of metals may be obtained.

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ID Code:35040
Deposited On:17 Apr 2011 14:30
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