21 October 2016 Optics detection and laser countermeasures on a combat vehicle
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Abstract
Magnifying optical assemblies used for weapon guidance or rifle scopes may possess a threat for a combat vehicle and its personnel. Detection and localisation of optical threats is consequently of interest in military applications. Typically a laser system is used in optics detection, or optical augmentation, to interrogate a scene of interest to localise retroreflected laser radiation. One interesting approach for implementing optics detection on a combat vehicle is to use a continuous scanning scheme. In addition, optics detection can be combined with laser countermeasures, or a laser dazzling function, to efficiently counter an optical threat. An optics detection laser sensor demonstrator has been implemented on a combat vehicle. The sensor consists of a stabilised gimbal and was integrated together with a LEMUR remote electro-optical sight. A narrow laser slit is continuously scanned around the horizon to detect and locate optical threats. Detected threats are presented for the operator within the LEMUR presentation system, and by cueing a countermeasure laser installed in the LEMUR sensor housing threats can be defeated. Results obtained during a field demonstration of the optics detection sensor and the countermeasure laser will be presented. In addition, results obtained using a dual-channel optics detection system designed for false alarm reduction are also discussed.
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Lars Sjöqvist, Lars Allard, Magnus Pettersson, Per Börjesson, Nils Lindskog, Johan Bodin, Anders Widén, Håkan Persson, Jan Fredriksson, Sten Edström, "Optics detection and laser countermeasures on a combat vehicle", Proc. SPIE 9989, Technologies for Optical Countermeasures XIII, 998908 (21 October 2016); doi: 10.1117/12.2242417; https://doi.org/10.1117/12.2242417
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