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    • 8. 发明授权
    • Optical device
    • 光学装置
    • US07315672B2
    • 2008-01-01
    • US10993172
    • 2004-11-22
    • Tomohiko KanieMakoto Katayama
    • Tomohiko KanieMakoto Katayama
    • G02B6/02G02B6/12
    • G02B6/3588G02B6/12007G02B6/266G02B6/3514G02B6/3532G02B6/3548G02B6/3566G02B6/3584G02B6/3594G02B6/3596
    • An optical variable attenuator 1 has a planar waveguide 2 and an actuator structure 3. The planar waveguide 2 is provided with an input optical waveguide core 4A for input of an optical signal, an output optical waveguide core 4B for outputting an optical signal from the optical waveguide core 4A, and an a movable mirror optical waveguide core 4C for guiding light that does not enter the optical waveguide core 4B, out of the optical signal from the optical waveguide core 4A. The actuator structure 3 has a movable mirror 7 for reflecting the optical signal emerging from the input optical waveguide core 4A, toward the output optical waveguide core 4B. A light receiving device 10 for receiving light passing the optical waveguide core 4C is provided at one end face of the planar waveguide 2.
    • 光学可变衰减器1具有平面波导2和致动器结构3.平面波导2设置有用于输入光信号的输入光波导芯411,用于输出光信号的输出光波导芯4B 光波导芯411和用于引导不进入光波导芯体4B的光的可移动镜光波导芯体4C,从光波导芯体4A的光信号中移除。致动器结构3具有 用于将从输入光波导芯411出射的光信号反射到输出光波导芯体B的可移动反射镜7.用于接收通过光波导芯体4C的光的光接收装置10设置在 平面波导2。