This sensor featuring plane-convex lens collimator for expanding beam and coupling, and a low frequency for light pulse modulation is introduced.
利用平-凸透镜准直器作扩束耦合光学系统，采用低频斩光器实现光调制。
The coupling of semiconductor laser and the optical fiber has vital significance to the semiconductor laser light beam quality improvement.
而半导体激光器与光纤的耦合，对半导体激光器的光束质量改善，有重要的意义。
Results show that propagation direction of the input light beam can be controlled by changing coupling length of the device.
结果表明选择适当的耦合长度可以使光在器件中呈现不同的状态。
Results show that propagation direction of the input light beam can be controlled by changing coupling length of the device.
结果表明选择适当的耦合长度可以使光在器件中呈现不同的状态。
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