In this paper, we bring forth a new optimal design method of Fresnel diffractive lens using in light beam collimation of laser diode.

针对国内外现有半导体激光器准直器件的缺点，提出了一种用于半导体激光器准直的相位型二元菲涅耳衍射透镜的优化方法。

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The light paths of the diode laser was simulated by ZEMAX, including the designs of beam arrangement, collimation lens and focus units.

利用ZEMAX光学设计软件模拟半导体激光光路，包括光束整形、准直及聚焦透镜的设计等。

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Collimation orthopedics of the array laser diode light beam is a traditional optical technical problem.

阵列激光二极管光束的高效准直整形是传统光学技术的难题。

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