| Beam Polarization Dependence of Diffraction Efficiency in Photorefractive LiNbO_3 Crystal |
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| 作者姓名： | YAN Xiaona YAN Jinkui YU Bingkun LIU Liren |
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| 作者单位： | 1 Department of Physics，Shanghai University，No.99 of Qixiang Road，Shanghai 200436，China 2 Information Optics Laboratory，Shanghai Institute of Optics and Fine Mechanics，The |
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| 基金项目： | SupportedbythecenterofAppliedPhysicsinShanghaiandNationalNaturalScience
FoundationofChina |
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| 摘 要： | 1 Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｉｎｐｈｏｔｏｒｅｆｒａｃｔｉｖｅｃｒｙｓｔａｌ,ｍａｎｙａｐｐｌｉｃａｔｉｏｎｓ,ｓｕｃｈａｓｉｍａｇｅａｍｐｌｉｆｉｃａｔｉｏｎａｎｄｉｍａｇｅｓｔｏｒａｇｅ ,ｎｅｅｄｔｏｕｓｅｔｈｅｐｒｏｐｅｒｔｙｏｆｈｉｇｈｄｉｆｆｒａｃｔｉｏｎｅｆｆｉｃｉｅｎｃｙ .Ｓｏｍｅａｕｔｈｏｒｓ1] ｈａｖｅｒｅｆｅｒｒｅｄｔｈａｔｈｉｇｈｄｉｆｆｒａｃｔｉｏｎｅｆｆｉｃｉｅｎｃｙｉｎｐｈｏｔｏｒｅｆｒａｃｔｉｖｅＬｉＮｂＯ3ｃｒｙｓｔａｌｃａｎｂｅｏｂｔａｉｎｅｄｂｙｗｒｉｔｉｎｇ…
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Beam Polarization Dependence of Diffraction Efficiency in Photorefractive LiNbO_3 Crystal |
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| YAN Xiaona,YAN Jinkui,YU Bingkun,LIU Liren .Beam Polarization Dependence of Diffraction Efficiency in Photorefractive LiNbO_3 Crystal[J].中国激光(英文版),2000(5). |
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| Authors: | YAN Xiaona YAN Jinkui YU Bingkun LIU Liren |
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| Institution: | YAN Xiaona 1 YAN Jinkui 1 YU Bingkun 1 LIU Liren 2 |
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| Abstract: | In weak doped photorefractive LiNbO 3 crystal, the diffraction efficiency is highly relevant to the writing and reading beam polarizations. In this paper, based on dynamic coupled wave equations, we theoretically discuss the diffraction efficiency under four writing and reading polarization conditions, then reach the proven conclusion that with o polarized beams to write and with e polarized beam to readout, the diffraction is the largest. |
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| Keywords: | defraction efficiency beam polarization refractive index |
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