| 声光布喇格衍射偏转器的设计和制作 |
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| 引用本文： | 金国良,许政权,徐秦瑶.声光布喇格衍射偏转器的设计和制作[J].光子学报,1990,19(3):218-223. |
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| 作者姓名： | 金国良 许政权 徐秦瑶 |
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| 作者单位： | 上海交通大学
(金国良，许政权)，上海交通大学(徐秦瑶) |
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| 摘 要： | 本文从集成光学频谱分析仪的需要出发,根据声光作用的基本原理和结论,设计了中心频率为214MC,3db带宽为50MC的布喇格衍射偏转器,重点讨论了叉指换能器的各项参数选择。并且运用了传统集成电路的制作工艺做出了声光布喇格衍射偏转器,测试了系统的频率响应特性曲线以及功率——衍射效率曲线,得到了满足设计要求的结果。
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| 关 键 词： | 声光布喇格衍射偏转器 叉指换能器 频率响应特性曲线 衍射效率 集成光学频谱分析仪 |
| 收稿时间： | 1989-12-26 |
DESIGN AND FABRICATION OF ACOUSTOOPTICAL BRAGG DIFFRACTION DEFLECTOR |
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| Jin Guoliang,Xu Zhengquan,Xu QingyaoShanghai Jiao Tong University.DESIGN AND FABRICATION OF ACOUSTOOPTICAL BRAGG DIFFRACTION DEFLECTOR[J].Acta Photonica Sinica,1990,19(3):218-223. |
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| Authors: | Jin Guoliang Xu Zhengquan Xu QingyaoShanghai Jiao Tong University |
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| Institution: | Shanghai Jiao Tong University |
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| Abstract: | To satisfy the demand of integrated optical spectrum analyzer, the acousto-optical Bragg diffraction deflector was designed according to the principle of acousto- optics. The centre frequency of this system is 214 MC, 3db bandwith is 50MC. The concerned parameters were discussed for the interdigital transducer, which is one of the main components in this system. The system has been fabricated using the IC fabrication technology. Its frequency response and the diffraction efficiency versus input power have been measured. |
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| Keywords: | Acousto-optical Bragg diffraction deflector Interdigital transducer Frequency response characteristic Diffraction efficiency Integrated optical spectrum analyzer |
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