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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 21 — Jul. 20, 2013
  • pp: 5201–5207

Counter–countermeasure identification based on multi-element dual band infrared detector

Mo Li, Weiguo Sun, Hongxu Chen, and Junjie Si  »View Author Affiliations


Applied Optics, Vol. 52, Issue 21, pp. 5201-5207 (2013)
http://dx.doi.org/10.1364/AO.52.005201


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Abstract

An infrared (IR) dual band multi-element detector with the abilities of dual band IR counter–countermeasure (IRCCM) and spatial filtering is presented for effective target detection in a complex tactical environment. The detection elements of the detector are specially arranged like a conventional reticle pattern. With special design, the ratio of radiation intensity from two IR bands can be calculated to distinguish the target from the IR target-flare mixed signal and the two detection bands use a common aperture in the seeker. Without a reticle in the optical system of the IR seeker, the dual band detector can still perform spatial filtering to eliminate background noise effectively. The design details of the detector are presented. The performance of the detector’s dual band IRCCM and spatial filtering are analyzed. Simulation results are presented verifying validity of the presented method.

© 2013 Optical Society of America

OCIS Codes
(040.3060) Detectors : Infrared
(070.6110) Fourier optics and signal processing : Spatial filtering
(100.4999) Image processing : Pattern recognition, target tracking

ToC Category:
Detectors

History
Original Manuscript: May 3, 2013
Revised Manuscript: June 24, 2013
Manuscript Accepted: June 24, 2013
Published: July 17, 2013

Citation
Mo Li, Weiguo Sun, Hongxu Chen, and Junjie Si, "Counter–countermeasure identification based on multi-element dual band infrared detector," Appl. Opt. 52, 5201-5207 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-21-5201

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