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Theoretical and experimental study on the conoscopic interference in uniaxial crystal (Ca 0.28 Ba 0.72 ) x (Sr 0.60 Ba 0.40 ) 1‐x Nb 2 O 6
Author(s) -
Gao Ch. Y.,
Xia H. R.,
Xu J. Q.,
Si Sh. Ch.,
Zhang H. J.,
Wang J. Y.,
Song H. L.
Publication year - 2007
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.200710930
Subject(s) - birefringence , uniaxial crystal , optics , interference (communication) , materials science , semiconductor , wavelength , doping , crystal (programming language) , white light , laser , optical axis , condensed matter physics , optoelectronics , physics , telecommunications , channel (broadcasting) , lens (geology) , programming language , computer science
Conoscopic interference of polarized light for the white‐light and LPS‐7,5Volts direct current semiconductor laser (Green light) with wavelength at 532 nm in (Ca 0.28 Ba 0.72 ) x (Sr 0.60 Ba 0.40 ) 1‐x Nb 2 O 6 crystals were observed with the beams transmitting along optical‐axes and deflection optical‐axes from 0 to 140°. Endo‐exo variation from looseness to tightness of conoscopic interference patterns were analyzed in theory. A hyperbolic black cross of interference patterns were observed as well as its formation process was proposed in this paper. Also, the inferences of the birefringence with different Ca 2+ ‐doped were obtained in this investigation. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)