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为了使光学系统更加紧凑化和稳定化,本文提出了一种单晶集成的1×N电光开关:它有2个折射面,4个互相垂直的全内反射面,和N-1个电光调制器。还得到了该种1×N电光开关的构成条件:发生两相邻反射的反射面必须互相垂直。并对晶体的结构进行了优化,通过调整光束输出面与光轴的夹角来改变光束出射角,使得接收端易于接收输出的光信号。给出1×3电光开关的实例。
In order to make the optical system more compact and stable, a single-crystal integrated 1 × N electro-optic switch is proposed in this paper. It has two refractive surfaces, four total internal reflection surfaces perpendicular to each other, and N-1 electro-optical modulators Device. Also get the kind of 1 × N electro-optical switch constitute the conditions: the occurrence of two adjacent reflection of the reflection surfaces must be perpendicular to each other. The structure of the crystal is optimized. By adjusting the angle between the output surface of the beam and the optical axis, the output angle of the beam is changed so that the receiving end can easily receive the output optical signal. An example of a 1 × 3 electro-optical switch is given.