Holographic elements used in optical heads

Duanyi Xu, Ying Wang, Longfa Pan
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Abstract

In this paper, holographic optical elements (HOEs) used in optical disk systems are discussed. HOEs have been used to form several beams for detecting focusing and tracking error, as a beam splitter and a formatter of wavefront. It can also be used as an objective lens in the future.
用于光学头的全息元件
本文讨论了全息光学元件在光盘系统中的应用。作为分束器和波前格式化器,HOEs被用来形成若干束来检测聚焦和跟踪误差。它也可以作为一个物镜在未来使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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