Dynamic Holography Method for Nondestructive Testing of Optical Homogeneity of Transparent Media

The potential of the dynamic holography method for testing the phase optical homogeneity of media transparent in visible light has been considered. This method is based on imaging samples in the scheme of two-wave mixing of the second-harmonic radiation of a Nd:YAG laser and image amplification in a...

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Veröffentlicht in:	Crystallography reports 2010-11, Vol.55 (6), p.1000-1005
Hauptverfasser:	Bogodaev, N. V., Ivleva, L. I., Lykov, P. A., Osiko, V. V., Gordeev, A. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	BARIUM COMPOUNDS CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Crystallography and Scattering Methods CRYSTALS HOLOGRAPHY NEODYMIUM LASERS NIOBATES NONDESTRUCTIVE TESTING Physical Properties of Crystals Physics Physics and Astronomy STRONTIUM COMPOUNDS VISIBLE RADIATION
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Zusammenfassung:	The potential of the dynamic holography method for testing the phase optical homogeneity of media transparent in visible light has been considered. This method is based on imaging samples in the scheme of two-wave mixing of the second-harmonic radiation of a Nd:YAG laser and image amplification in a photorefractive barium-strontium niobate crystal. Examples of identifying phase inhomogeneities at a level of 10 -5 cm -1 and less in crystals of different compositions are presented.
ISSN:	1063-7745 1562-689X
DOI:	10.1134/S1063774510060167