Optical Mode Converter Using Lamb Wave
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概要
- 論文の詳細を見る
A Lamb wave propagating through a crystal induces refractive-index variations in the crystal due to its photo-elastic effect; this crystal forms a phase cyclic structure. Therefore, if an incident light is transmitted into this crystal, light diffraction and mode transformation occur. In this study, we theoretically and experimentally examined light-wave propagation in a crystal in which Lamb waves had caused cyclic variations in the refractive index. In the experiment, it was verified that the Lamb wave power required for 100% mode conversion is 4 mW/mm in a LiTaO3 substrate with a Lamb wave wavelength of 132 μm and a substrate thickness of 50 μm.
- 2010-07-25
著者
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Kakio Shoji
Interdisciplinary Graduate School Of Medicine And Engineering University Of Yamanashi
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Nakagawa Yasuhiko
Interdisciplinary Graduate School Of Medicine And Engineering University Of Yamanashi
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Saito Koki
Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Kofu 400-8511, Japan
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Kakio Shoji
Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Kofu 400-8511, Japan
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