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Automatic suppression of laser dazzling effects for electro-optical sensors by a sophisticated filtering concept

Presentation held at Optro 2012, 5th International Symposium on Optronics in Defence and Security, 8-10 February 2012 , Paris
: Ritt, Gunnar

Volltext urn:nbn:de:0011-n-2187059 (707 KByte PDF)
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Erstellt am: 21.11.2012

2012, 6 S.
International Symposium on Optronics in Defence and Security (OPTRO) <5, 2012, Paris>
Vortrag, Elektronische Publikation
Fraunhofer IOSB ()
laser dazzling; sensor protection; spectral filtering; wavelength multiplexing

We present a novel protection concept for electrooptical sensors with the possibility to filter incident radiation both spatially and spectrally within a small area of the field of view. This capability particularly can be used as a protection measure against laser dazzling which suppresses ideally only the threatening continuous wave laser light, while not affecting the non-threatening radiation. In order to achieve this aim, we make use of a spatial light modulator in combination with wavelength multiplexing as the key elements of the sensor concept.