Chinese Physics B, Volume. 29, Issue 10, (2020)

Zone plate design for generating annular-focused beams

Yong Chen, Lai Wei, Qiang-Qiang Zhang, Quan-Ping Fan, Zu-Hua Yang, and Lei-Feng Cao
Author Affiliations
  • Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China
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    Annular-focused beams have attracted attention because of their novel properties and applications in optical trapping, high resolution microscopy, and laser-induced periodic surface structuring. Generation of this beam is very important and necessary. In this article, a novel design of zone plate for forming the annular-focused beams is proposed. The design principle is introduced, and the characteristics of zone plate are analyzed by numerical simulation. The result shows that the zone plate can form a monochromatic ring-shaped intensity distribution in the focal plane. And the design method is also generally suitable for designing the other optical elements to generate the annular-focused beams.

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    Yong Chen, Lai Wei, Qiang-Qiang Zhang, Quan-Ping Fan, Zu-Hua Yang, Lei-Feng Cao. Zone plate design for generating annular-focused beams[J]. Chinese Physics B, 2020, 29(10):

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    Paper Information

    Received: Mar. 6, 2020

    Accepted: --

    Published Online: Apr. 21, 2021

    The Author Email: Cao Lei-Feng (leifeng.cao@caep.cn)

    DOI:10.1088/1674-1056/ab9de4

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