Optical Design and Engineering

Effective expendable countermeasure model against dual-band infrared and ultraviolet man-portable air-defence seeker systems

[+] Author Affiliations
Leon Smith, Mark Richardson

Cranfield University, Defence Academy of the United Kingdom, Shrivenham, Swindon SN6 8LA, United Kingdom

Richard Ayling, Nick Barlow

Chemring Countermeasures Ltd., High Post, Salisbury, Wiltshire SP4 6AS, United Kingdom

Opt. Eng. 54(8), 085104 (Aug 11, 2015). doi:10.1117/1.OE.54.8.085104
History: Received February 26, 2015; Accepted July 6, 2015
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Abstract.  The ultraviolet (UV) band of the electromagnetic spectrum has the potential to be used as the host medium for the operation of guided weapons. Unlike in the infrared (IR) band, a target propelled by an air-breathing jet engine produces no detectable radiation in the UV band and is opaque to the background UV produced by the sun. Successful engineering of spectral airborne IR countermeasures (CMs) against existing two-color IR seekers has encouraged missile counter-countermeasure designers to utilize the silhouette signature of an aircraft in the UV as a means of distinguishing between a true target and a flare CM. We describe the modeling process of a dual-band IR and UV rosette scan seeker using CounterSim, a missile engagement, and countermeasure simulation software package developed by Chemring Countermeasures Ltd. Results are shown from various simulated engagements of the dual-band man-portable air defence (MANPAD) system with a C-130 Hercules. These results have been used to estimate the aircraft’s baseline vulnerability to this MANPAD threat and to develop a model flare countermeasure that is successful in greatly improving the survivability of the aircraft.

© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Leon Smith ; Mark Richardson ; Richard Ayling and Nick Barlow
"Effective expendable countermeasure model against dual-band infrared and ultraviolet man-portable air-defence seeker systems", Opt. Eng. 54(8), 085104 (Aug 11, 2015). ; http://dx.doi.org/10.1117/1.OE.54.8.085104


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