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    • 16. 发明授权
    • Optical isolator
    • 光隔离器
    • US5151955A
    • 1992-09-29
    • US612016
    • 1990-11-09
    • Hiroshi OhtaNoriyuki Nakamura
    • Hiroshi OhtaNoriyuki Nakamura
    • G02B6/26G02F1/09
    • G02B6/2746G02F1/093G02F2203/06
    • An optical isolator having three or four birefringent crystals and two magneto-optic elements is disposed between two light waveguides to prevent reverse-directed light from returning to the light waveguide on the light-source side. Forward-directed light emitted from the light waveguide on the light-source side is allowed to properly enter into the other light waveguide, whereas the reverse-directed light returning reflectively toward the light waveguide on the light-source side is separated into two polarized component and undergoes polarization rotation while propagating in the optical isolator, to thereby advance out of the optical axis of the light-source side light waveguide.
    • 具有三个或四个双折射晶体和两个磁光元件的光隔离器设置在两个光波导之间,以防止反向光返回到光源侧的光波导。 允许从光源侧的光波导发射的正向光被适当地进入另一个光波导,而反射回到光源侧的光波导的反向光被分离成两个偏振分量 并且在光隔离器中传播时经历极化旋转,从而从光源侧光波导的光轴前进。