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Investigation on birefringence property in uniaxial crystal (Ca 0.28 Ba 0.72 ) 0.75 (Sr 0.60 Ba 0.40 )Nb 2 O 6
Author(s) -
Gao Ch. Y.,
Xia H. R.,
Xu J. Q.,
Si Sh. Ch.,
Zhang H. J.,
Wang J. Y.
Publication year - 2008
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.200710989
Subject(s) - birefringence , crystal (programming language) , materials science , wavelength , optics , laser , polarization (electrochemistry) , crystal optics , homogeneity (statistics) , crystal structure , extinction (optical mineralogy) , crystallography , optoelectronics , chemistry , physics , statistics , mathematics , computer science , programming language
Abstract The birefringence of (Ca 0.28 Ba 0.72 ) 0.75 (Sr 0.60 Ba 0.40 )Nb 2 O 6 crystal is measured basing on polarization‐ extinction method and conoscopic interference method. Experimental results show that the birefringence in this crystal is up to 10 ‐5 , the natural birefringence in this crystal is ( n o ‐ n e ) = 5.89 x 10 ‐5 with the He‐Ne laser wavelength at 632.8nm and the birefringence grads with wavelength at 532nm is 5.68 x 10 ‐5 , which indicate the good optical homogeneity of this crystal. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)