H2O和Na掺杂对极化二氧化硅玻璃二阶非线性的影响

Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals Pub Date : 1900-01-01 DOI:10.1364/bgppf.1997.bmg.6

Hiroaki Imai, S. Horinouchi, Naoko Asakuma, K. Fukao, Daizaburo Matsuki, H. Hiroshima, K. Sasaki

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引用次数: 0

摘要

据报道，热极化在商业熔融硅的近表面区域和溶胶-凝胶衍生硅玻璃的整个区域都引起了大的二阶非线性。非线性的原因可能是前者的Na+和后者的OH基团的扩散。为了控制二氧化硅玻璃的非线性，阐明杂质的影响，我们研究了水和钠掺杂二氧化硅玻璃的二次谐波产生(SHG)。

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Effects of doping of H2O and Na on second-order nonlinearity in poled silica glass

Large second-order nonlinearity was reported to be induced in the near-surface region of commercial fused silica1 and in the whole region of sol-gel derived silica glass2 by thermal poling. The origin of the nonlinearity was suggested to be diffusion of Na+ for the former and OH groups for the later. To control the nonlinearity of silica glass and clarify the effects of the impurities, we investigated second harmonic generation (SHG) from silica glass doped with H2O and Na.

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Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals

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