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Beam Steering

Wide-angle decentered lens beam steering for infrared countermeasures applications

[+] Author Affiliations
Jennifer L. Gibson

Anteon Corporation, 5100 Springfield Pike, Suite 509 Dayton, Ohio?45431

Bradley D. Duncan

University of Dayton, Electro-Optics Program, 300 College Park, Dayton, Ohio?45469-0245 E-mail: brad@udayton.edu

Edward A. Watson

Air Force Wright Laboratory, EO Technology Division, 2241 Avionics Circle, Wright Patterson Air Force Base, Ohio?45433-7304

John S. Loomis

University of Dayton, ECE Department, 300 College Park, Dayton, Ohio?45469-0226

Opt. Eng. 43(10), 2312-2321 (Oct 01, 2004). doi:10.1117/1.1789137
History: Received Nov. 10, 2003; Revised Feb. 27, 2004; Accepted Mar. 31, 2004; Online October 08, 2004
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A beam-steering system consisting of three cemented achromatic doublets is presented. Intended for use in IR countermeasure applications, our system is designed to operate over the 2- to 5-μm spectrum with minimum angular dispersion. We show that dispersion can be minimized by using doublet lenses fashioned from AMTIR-1 and germanium. Our system is designed to be compact and lightweight, with no internal foci, while allowing steering to ±22.5deg. We also maintain a minimum 2-in. clear aperture for all steering angles, and a nominal divergence of 1 mrad. Plane wave and Gaussian beam analyses of our system are presented. © 2004 Society of Photo-Optical Instrumentation Engineers.

© 2004 Society of Photo-Optical Instrumentation Engineers

Citation

Jennifer L. Gibson ; Bradley D. Duncan ; Edward A. Watson and John S. Loomis
"Wide-angle decentered lens beam steering for infrared countermeasures applications", Opt. Eng. 43(10), 2312-2321 (Oct 01, 2004). ; http://dx.doi.org/10.1117/1.1789137


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