| 采用电光效应实现双折射切趾的集成光学声光可调谐滤波器 |
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| 引用本文： | 陈坚,胡鸿璋,耿凡.采用电光效应实现双折射切趾的集成光学声光可调谐滤波器[J].光学学报,2002,22(8):011-1014. |
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| 作者姓名： | 陈坚 胡鸿璋 耿凡 |
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| 作者单位： | 1. 天津大学理学院应用物理系,天津,300072
2. 津航技术物理研究所,天津,300192 |
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| 基金项目： | 国家自然科学基金 (10 0 84 0 0 1)，集成光电子国家重点实验室资助课题 |
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| 摘 要： | 声光可调谐滤波器（AOTF）是密集波分复用系统（DWDM）中的关键器件之一。影响该器件性能的一个主要因素是透过率曲线中旁瓣的存在。基于双折射切趾的原理，提出了利用LiNbO3 电光效应来实现切趾的新方案。对该方法进行了理论和实验两方面的研究，实验结果与理论基本相符。
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| 关 键 词： | 集成光学 声光可调谐滤波器 密集波分复用网络 电光效应 双折射切趾 DWDM 旁瓣抑制 |
| 收稿时间： | 2001/7/17 |
Electrooptical Birefringence Apodization of Integrated Optical Acoustooptic Tunable Filters |
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| Chen Jian,Hu Hongzhang,Geng Fan.Electrooptical Birefringence Apodization of Integrated Optical Acoustooptic Tunable Filters[J].Acta Optica Sinica,2002,22(8):011-1014. |
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| Authors: | Chen Jian Hu Hongzhang Geng Fan |
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| Institution: | Chen Jian 1) Hu Hongzhang 1) Geng Fan 2) 1),Department of Applied Physics,Tianjin University,Tianjin 300072 2),Jinhang Institute of Technical Physics,Tianjin 300192 |
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| Abstract: | Acoustooptic tunable filter (AOTF) is one of the most important devices in the high densed WDM system. One significant limitation of AOTF′s performance is the presence of sidelobes in the transmission spectra. It is proposed that the apodization can be accomplished by use of the electrooptical effect of LiNbO 3 crystal based on the principle of the birefringence apodization. This method is analyzed and discussed theoretically. The experimental results are consistent with the theoretical results on the whole. |
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| Keywords: | acoustooptic tunable filter DWDM network electrooptical effect birefringence apodization |
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