The effect of impurity on temperature variations in the refractive indices and thickness of TGS crystals

Temperature dependences of optical path difference δΔ і and the relative changes in thickness δ l і / l of TGS crystals doped with L -valine are studied. Temperature dependences of the relative changes in refractive indices δ n і /( n –1) are calculated. The anisotropy coefficients of refractive ind...

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Bibliographic Details
Published in:Optics and spectroscopy 2016-06, Vol.120 (6), p.952-957
Main Authors: Stadnyk, V. Yo, Andriyevsky, B. V., Gaba, V. M., Kogut, Z. A.
Format: Article
Language:English
Subjects:
Lasers
Optical Devices
Optics
Photonics
Physical Optics
Physics
Physics and Astronomy
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Summary:Temperature dependences of optical path difference δΔ і and the relative changes in thickness δ l і / l of TGS crystals doped with L -valine are studied. Temperature dependences of the relative changes in refractive indices δ n і /( n –1) are calculated. The anisotropy coefficients of refractive indices А n –1 ( Т ) and linear expansion Аα( Т ) are calculated, and a characteristic minimum of these dependences is found near the phase transition temperature.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X16060229