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Start Over Author "Kurimura, Sunao" Journal optical materials
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5. Effect of subgrain boundaries on domain-inverted structure in periodically poled near-stoichiometric LiTaO3 crystal

Author

Nakamura, Masaru, Terabe, Kazuya, Takekawa, Shunji, Kumaragurubaran, Somu, Nan-Ei, Yu, Kurimura, Sunao, and Kitamura, Kenji

Subjects
*OPTICAL parametric oscillators, *STOICHIOMETRY, *CRYSTALS, *KIRKENDALL effect, *LITHIUM, *TANTALUM
Abstract

Abstract: We investigated the effect of subgrain boundaries on periodic domain-inverted structures with a period of ∼30μm in near-stoichiometric LiTaO3 (SLT) crystals and found that they negligibly affected the structures. Using SLT crystals having subgrain boundaries and a quasi-phase matching technique, we fabricated a 2-mm-thick, 60-mm-long periodically poled SLT frequency converter with a domain-inverted structure with a 30.5-μm period and demonstrated optical parametric oscillation. [Copyright &y& Elsevier]

Published
2008
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