21 May 2015 Electro-optical detection probability of optical devices determined by bidirectional laser retro-reflection cross section
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Abstract
A good measure for the probability to detect a sniper telescopic sight is the effective bi-directional laser retro-reflection cross section. This angular (bi-directional) property of an optical device can be measured and can be used for a fist estimation of its probability to be detected by an active imaging. In the present paper, the authors give examples for resolved and non-resolved sensing of a telescopic sight under mono-static and bi-static conditions. As a result of these measurements, the resolved sensing under mono-static conditions shows the highest signal response in a wide angular range.
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Martin Laurenzis, Frank Christnacher, Alexis Matwyschuk, Stephane Schertzer, Sebastien Hengy, "Electro-optical detection probability of optical devices determined by bidirectional laser retro-reflection cross section", Proc. SPIE 9461, Radar Sensor Technology XIX; and Active and Passive Signatures VI, 94611L (21 May 2015); doi: 10.1117/12.2175858; https://doi.org/10.1117/12.2175858
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