Super-resolution in focusing system by three-zone pure phase plate

Xiumin Gao; Qiufang Zhan; Jinsong Li; Jian Wang; Songlin Zhuang

doi:10.1117/12.831355

28 August 2009 Super-resolution in focusing system by three-zone pure phase plate

Xiumin Gao, Qiufang Zhan, Jinsong Li, Jian Wang, Songlin Zhuang

Proceedings Volume 7382, International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging; 73820H (2009) https://doi.org/10.1117/12.831355
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

Superresolution is very important in imaging and optical storage systems, and has attracted much attention. In this article, concentric three-zone phase plate with 0, pi, 0 phase variation has been investigated numerically to show that this kind of phase plate can be used to obtain three dimensional superresolution. Focal depth, focal shift, full width half maximum, superresolution effect are listed for different radii of the phase zones, which paves the way for design of the phase plate, such as for purpose of radial superresolution with high focal depth in optical storage.

Citation Download Citation

Xiumin Gao, Qiufang Zhan, Jinsong Li, Jian Wang, and Songlin Zhuang "Super-resolution in focusing system by three-zone pure phase plate", Proc. SPIE 7382, International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging, 73820H (28 August 2009); https://doi.org/10.1117/12.831355

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