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21 February 2011 Study on periodic twinning of quartz crystal under bending stress
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Abstract
Quartz has been attracted attention as a nonlinear optical material without spontaneous polarization. Supposing that twinning of quartz crystal could be achieved effectively rather by impressing bending stress, we studied on making a periodically inverted structure to generate VUV lights by quasi-phase matching. We fabricated experimentally the inverted structure locally by impressing the stress for the AT-cut quartz substrate that was heated. Moreover, the stress distribution was calculated when the bending stress was impressed to the substrate with the rectangle structure, and then the condition for the polarization inversion was also calculated.
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Takaya Shimono, Hiroya Matsukawa, Nobuyuki Hirano, Hiroshi Kumagai, Naoaki Fukuda, Toshio Takiya, Norihiro Inoue, and Koichiro Nakayama "Study on periodic twinning of quartz crystal under bending stress", Proc. SPIE 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X, 79171R (21 February 2011); https://doi.org/10.1117/12.874468
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