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HIGH-RESOLUTION X-RAY CHARACTERIZATION OF PERIODICALLY DOMAIN-INVERTED NONLINEAR-OPTICAL CRYSTALS
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UNSPECIFIED (1995) HIGH-RESOLUTION X-RAY CHARACTERIZATION OF PERIODICALLY DOMAIN-INVERTED NONLINEAR-OPTICAL CRYSTALS. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 28 (4A Sp. Iss. SI). A189-A194. ISSN 0022-3727.
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Abstract
A high-resolution triple-axis diffractometer has been used for the structural characterization of periodically domain-inverted nonlinear optical crystals of KTiOPO4 and LiNbO3. Striations have been revealed in high-strain-sensitivity multiple-crystal topographs of the domain-inverted regions of both these samples and these are dominated by orientation contrast. The combination of high-resolution reciprocal-space mapping and topography has shown that the extended diffraction streak in the q([)2(1) over bar0$] direction for the domain-inverted LiNbO3 originates from the 'minutely misonented structure' which is related to the original configuration of dislocations. The reason for the generation of the structural imperfections via the domain-inversion processing is interpreted in terms of the converse piezoelectric effect.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | JOURNAL OF PHYSICS D-APPLIED PHYSICS | ||||
Publisher: | IOP PUBLISHING LTD | ||||
ISSN: | 0022-3727 | ||||
Official Date: | 14 April 1995 | ||||
Dates: |
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Volume: | 28 | ||||
Number: | 4A Sp. Iss. SI | ||||
Number of Pages: | 6 | ||||
Page Range: | A189-A194 | ||||
Publication Status: | Published |
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