Acta Optica Sinica, Volume. 32, Issue 10, 1022007(2012)

Design of Quasi-Phase Photon Sieve

Tang Yan*, Hu Song, Zhu Jiangping, and He Yu
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  • [in Chinese]
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    A design of quasi-phase photon sieve is proposed. The pinholes of the quasi-phase photon sieve distributed in black and white plate zones have different ratios of diameter to zone width to obtain π phase shift, so that all of them have positive contribution to the field value at the desired focal point. The quasi-phase photon sieve does not need to process the rest and reduce the technology difficult of traditional phase photon sieve. Compared with the traditional photon sieve, the quasi-phase one with the same specific minimum feature size has bigger numerical aperture and smaller focal spot size. Furthermore, compared with the multi-region photon sieve, with the same specific minimum feature size and numerical aperture, the quasi-phase photon sieve has smaller focal spot size and better focus characteristics. The quasi-phase photon sieve provids a new way for the design of photon seieve with high humerical aperture.

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    Tang Yan, Hu Song, Zhu Jiangping, He Yu. Design of Quasi-Phase Photon Sieve[J]. Acta Optica Sinica, 2012, 32(10): 1022007

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    Paper Information

    Category: Optical Design and Fabrication

    Received: Mar. 31, 2012

    Accepted: --

    Published Online: Oct. 18, 2012

    The Author Email: Yan Tang (ty0513@163.com)

    DOI:10.3788/aos201232.1022007

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