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对马赫曾德尔 (M Z)干涉仪的滤光消光比特性进行了研究 ,提出了一种在其一端加上光纤全反镜的方法 ,大大改善了马赫曾德尔干涉仪的输出谱特性 ,由此提出并设计了一种单通道光开关 ,实验得到了约 37.4dB的开关动态范围
The filter extinction ratio characteristics of Mach-Zehnder interferometer were studied. A method of adding optical fiber total reflection mirror at one end was proposed, which greatly improved the output spectral characteristics of Mach-Zehnder interferometer. Proposed and designed a single-channel optical switch, the experiment has been about 37.4dB switching dynamic range