几年后上高中就知道激光在光纤环反向互相抵消后，会因为环摆动引起相位差而产生干涉纹，可以制造激光罗盘。。

来源: 小二哥李白于 2025-09-22 17:18:10 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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