| 光束的非交迭效应对极化干涉仪的影响 |
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| 引用本文： | 罗锡璋,丘茹曼,郑兴世. 光束的非交迭效应对极化干涉仪的影响[J]. 中山大学学报(自然科学版), 1999, 38(2): 42-45 |
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| 作者姓名： | 罗锡璋 丘茹曼 郑兴世 |
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| 作者单位： | 中山大学无线电电子学系 |
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| 摘 要： | 从高斯光束基本理论出发，分析了双光束的非交迭效应对ＭａｃｈＺｅｈｎｄｅｒ极化干涉仪性能的影响，提出了改善极化干涉仪性能的途径，并在实验中得到了验证．用自制的有衬底的线栅极化器组装成的ＭａｃｈＺｅｈｎｄｅｒ极化干涉仪，在波长为３３７μｍ（８９０ＧＨｚ）的条件下，测得调制比优于１９ｄＢ，插入损耗小于１ｄＢ．
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| 关 键 词： | MachZehnder极化干涉仪；非交迭效应 |
The Effect of Non Coincided Coupling of Laser Beams on the Performance of Polarizing Interferometer |
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| LUO Xi zhang,QIU Ru man,ZHENG Xing shi. The Effect of Non Coincided Coupling of Laser Beams on the Performance of Polarizing Interferometer[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 1999, 38(2): 42-45 |
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| Authors: | LUO Xi zhang QIU Ru man ZHENG Xing shi |
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| Abstract: | Based on the propagation theory of Gausian beam,the effect of non coincided coupling of laser beams on the performance of Mach Zehnder polarizing interferometer was analysed.Some ways for improving the performance of the interferometer were suggested,and were verified by our experiment.For the self made Mach Zehnder polarizing interferometer assembled with silicon wafered aluminium grids,the measured modulation index was higher than 19 dB,and the insertion loss was less than 1 dB. |
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| Keywords: | Mach Zehnder polarizing interferometer non coincided coupling |
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