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Optical Engineering

New approach for improving transverse superresolution in optical data storage
Author(s): Xiaofeng Zhao; Chengfang Li; Hao Ruan
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Paper Abstract

We have proposed a new confocal readout system which is based on the combination of two N-zone circular phase-only transverse superresolving pupils to improve transverse superresolution. The procedure for designing such an improved system is presented. Results of comparisons between the performance of the proposed system and the transverse superresolving pupils indicate that with the same Strehl ratio the former has much higher transverse superresolution capacity and significantly lower sidelobe intensity.

Paper Details

Date Published: 1 December 2005
PDF: 4 pages
Opt. Eng. 44(12) 125202 doi: 10.1117/1.2139667
Published in: Optical Engineering Volume 44, Issue 12
Show Author Affiliations
Xiaofeng Zhao, Wuhan Univ. (China)
Chengfang Li, Wuhan Univ. (China)
Hao Ruan, Shanghai Institute of Optics and Fine Mechanics (China)

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