Comparative analysis of numerical simulation techniques for incoherent imaging of extended objects through atmospheric turbulence

被引：24

作者：

Lachinova, Svetlana L. ^{[1
]}

Vorontsov, Mikhail A. ^{[1
,2
]}

Filimonov, Grigory A. ^{[2
]}

LeMaster, Daniel A. ^{[3
]}

Trippel, Matthew E. ^{[3
]}

机构：

[1] Optonicus, Dayton, OH 45402 USA

[2] Univ Dayton, Sch Engn, Intelligent Opt Lab, Dayton, OH 45469 USA

[3] Air Force Res Lab, EO Target Detect & Surveillance Branch, Sensors Directorate, Wright Patterson AFB, OH USA

来源：

OPTICAL ENGINEERING | 2017年 / 56卷 / 07期

关键词：

incoherent imaging; wave-optics numerical simulations; Monte-Carlo method; brightness function technique; WAVE-PROPAGATION; PERFORMANCE; RESOLUTION; LONG;

D O I：

10.1117/1.OE.56.7.071509

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Computational efficiency and accuracy of wave-optics-based Monte-Carlo and brightness function numerical simulation techniques for incoherent imaging of extended objects through atmospheric turbulence are evaluated. Simulation results are compared with theoretical estimates based on known analytical solutions for the modulation transfer function of an imaging system and the long-exposure image of a Gaussian-shaped incoherent light source. It is shown that the accuracy of both techniques is comparable over the wide range of path lengths and atmospheric turbulence conditions, whereas the brightness function technique is advantageous in terms of the computational speed. (C) 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)

引用

页数：11

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