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Optical polarization - Background and Camouflage
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, Faculty of Science & Engineering. FOI, Department Electroopt Syst, SE-58111 Linkoping, Sweden.
FOI, Department Electroopt Syst, SE-58111 Linkoping, Sweden.
FOI, Department Electroopt Syst, SE-58111 Linkoping, Sweden.
FOI, Department Electroopt Syst, SE-58111 Linkoping, Sweden.
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2017 (English)In: TARGET AND BACKGROUND SIGNATURES III, SPIE-INT SOC OPTICAL ENGINEERING , 2017, Vol. 10432, article id UNSP 1043204Conference paper, Published paper (Refereed)
Abstract [en]

Polarimetric imaging sensors in the electro-optical region, already military and commercially available in both the visual and infrared, show enhanced capabilities for advanced target detection and recognition. The capabilities arise due to the ability to discriminate between man-made and natural background surfaces using the polarization information of light. In the development of materials for signature management in the visible and infrared wavelength regions, different criteria need to be met to fulfil the requirements for a good camouflage against modern sensors. In conventional camouflage design, the aimed design of the surface properties of an object is to spectrally match or adapt it to a background and thereby minimizing the contrast given by a specific threat sensor. Examples will be shown from measurements of some relevant materials and how they in different ways affect the polarimetric signature. Dimensioning properties relevant in an optical camouflage from a polarimetric perspective, such as degree of polarization, the viewing or incident angle, and amount of diffuse reflection, mainly in the infrared region, will be discussed.

Place, publisher, year, edition, pages
SPIE-INT SOC OPTICAL ENGINEERING , 2017. Vol. 10432, article id UNSP 1043204
Series
Proceedings of SPIE, ISSN 0277-786X
Keywords [en]
Polarization; polarimetric signature; polarimetric IR sensors; degree of linear polarization (DoLP); degree of diffuse reflection (DoDR)
National Category
Medical Laboratory and Measurements Technologies
Identifiers
URN: urn:nbn:se:liu:diva-143962DOI: 10.1117/12.2278767ISI: 000417337300003ISBN: 978-1-5106-1329-4 (electronic)ISBN: 978-1-5106-1328-7 (print)OAI: oai:DiVA.org:liu-143962DiVA, id: diva2:1169707
Conference
Congress on Target and Background Signatures III
Available from: 2017-12-29 Created: 2017-12-29 Last updated: 2017-12-29

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • modern-language-association-8th-edition
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  • Other style
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  • de-DE
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  • nn-NB
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Output format
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