optical coupling device 光耦合器件
The optical propagation properties of the device have been demonstrated by finite difference time domain method according to the waveguides directional coupling and self-imaging principle.
根据波导间相互耦合与自映像原理，采用时域有限差分法分析了该器件的光传输特性。
Therefore, it is possible to achieve an optical coupling with high accuracy in mounting a light emitting device on the pedestal block.
因此，在基座块上安装发光 器件时能够实现高精度的光学耦合。
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