CRYSTAL CHARACTERIZATION BY NONCOLINEAR FREQUENCY DOUBLING

被引:2
作者
Reichert, A. [1 ]
Kasemir, K. U. [1 ]
Betzler, K. [1 ]
机构
[1] Univ Osnabruck, Fachbereich Phys, FRG, D-4500 Osnabruck, Germany
关键词
D O I
10.1080/00150199608230241
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Noncolinear frequency doubling (NCFD) is discussed as a sensitive technique for the characterization of acentric crystals. Two methods can be applied: 'Spontaneous' NCFD where light scattered at crystal imperfections is used as second fundamental beam and 'induced' NCFD where the usage of a second laser beam yields three-dimensional spatial resolution. Experimental investigations of pure and VTE-treated lithium niobate and of domain boundaries in potassium niobate are presented.
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页码:21 / 30
页数:10
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