An amplifier or attenuator may be needed to ensure that the required level of power is transmitted through the switch.

可能就需要一个放大器或衰减器，以确保通过开关传输所需的功率。

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Angle deflection is an effective operation on optics, which is widely used in optical switch and variable optical attenuator.

角度偏转是光操作的一种方式，在光开关和光衰减器有广泛的应用。

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This thesis presents a study on the non-silicon based MEMS optical switch and variable optical attenuator.

本硕士论文对基于非硅基微加工技术的光开关及可调光衰减器的设计制作与分析进行了研究。

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