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 Sjöqvist, Lars Allard, Lars Allard, Magnus Pettersson, Magnus Pettersson, Per Börjesson, Per Börjesson, Nils Lindskog, Nils Lindskog, Johan Bodin, Johan Bodin, Anders Widén, Anders Widén, Håkan Persson, Håkan Persson, Jan Fredriksson, Jan Fredriksson, Sten Edström, 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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