On the basis of accurate theory, using laser emitter and photosensitive diode as testing sensor, a set of laser equipment for automobile axle depth of parallelism test is designed and produced.

利用激光发射器和光敏接收器作为检测传感器，基于准确的检测理论，设计出了激光检测法检测汽车前、后轴平行度的检测装置。

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The main topic in the thesis is the coupling the coupling between the high power single emitter broad area diode laser and micro lensed multimode fiber.

本文主要讨论大功率宽发射域半导体激光器的多模光纤微透镜耦合。

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To improve the output power of the single emitter diode laser, this paper proposed an optical fiber coupling method for single emitter diode lasers based on the polarization multiplexing.

为提高单管半导体激光器的输出功率，提出了基于偏振复用技术对多个单管半导体激光器进行光纤耦合的方法。

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