系统采用单模光纤的尾纤半导体激光器作光源的激光准直系统，并为测量提供稳定的基准线。
A single mode fiber (SMF) pigtailed laser diode alignment system provides a laser reference line with fine stability for measurement.
该激光器由带单模尾纤输出的半导体激光器、光纤偏振控制器、PLZT电光陶瓷偏转器和输出凹面镜等组成。
The laser consists of a semiconductor laser with single mode fiber coupled output, polarization controller, PLZT electro-optic ceramic deflector, and output concave mirror.
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