Analytical design of superresolving phase filters

被引：42
|
作者：
Cagigal, MP [1 ]
Oti, JE [1 ]
Canales, VF [1 ]
Valle, PJ [1 ]
机构：
[1] Univ Cantabria, Dept Fis Aplicada, E-39005 Santander, Spain
来源：
OPTICS COMMUNICATIONS | 2004年 / 241卷 / 4-6期
关键词：
superresolution;
D O I：
10.1016/j.optcom.2004.07.024
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A procedure for designing annular pupil-plane masks to control the light intensity distribution near focus is presented. The method is based on binary phase-only pupil filters that reach 0 and pi values. The parameters of the filters are analytically obtained from the figures of merit that characterize the focal light intensity distribution, as the Strehl ratio, the transverse gain or the axial gain. The procedure allows a simple and complete analysis of the binary filters behavior for any application. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：249 / 253
页数：5
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