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本文是关于蓝光光学头的核心元件——非球面物镜的设计讨论。文中论述了非球面物镜的设计理论、初始结构参数的确定以及如何利用zemax仿真;并介绍了光学头用非球面物镜的评价参数。设计的物镜在有视场角的情况下仍然很好的符合使用要求。
This article is a discussion of the design of aspheric objectives, the core component of a Blu-ray optical head. In this paper, the design theory of aspheric objective lens, the determination of initial structural parameters and how to use zemax simulation are discussed. The evaluation parameters of aspheric lens for optical head are also introduced. The design of the objective in the case of the viewing angle is still good to meet the requirements.