The Michelson interferometer is used for fiber-optical strain sensor, which is consisted of He-Ne laser, single-Mode optical fiber and optical fiber coupler.

• 摘要运用麦克尔逊干涉结构，采用氦氖激光、单模光纤、光纤耦合器等器件构成光纤应变传感器，利用除法器消除光源幅度干扰，提高系统的分辨率。