PHASE-DIVERSITY CORRECTION OF TURBULENCE-INDUCED SPACE-VARIANT BLUR

被引:44
作者
PAXMAN, RG
THELEN, BJ
SELDIN, JH
机构
[1] Optical and Infrared Science Laboratory, Environmental Research Institute of Michigan, Ann Arbor, MI, 48113-4001
关键词
D O I
10.1364/OL.19.001231
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Space-variant blur is encountered when objects extend beyond the isoplanatic patch associated with the intervening atmospheric turbulence. The method of phase diversity, used to estimate jointly the object and the aberrations, is generalized to accommodate turbulence-induced space-variant blur. This generalization utilizes a parametric model for the blur function that is constructed with multiple phase screens. Simulation results are presented that demonstrate the recovery of near-diffraction-limited imagery from phase-diversity imagery that has been degraded with rather severe anisoplanatism.
引用
收藏
页码:1231 / 1233
页数:3
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