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Electro-optical sensor with spatial and spectral filtering capability

: Ritt, G.; Eberle, B.

Postprint urn:nbn:de:0011-n-1896561 (639 KByte PDF)
MD5 Fingerprint: 8c91dec515b8d8acd26173b0e2b55692
This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Created on: 6.3.2012

Applied optics 50 (2011), No.21, pp.3847-3853
ISSN: 0003-6935
ISSN: 1539-4522
ISSN: 1559-128X
Journal Article, Electronic Publication
Fraunhofer IOSB ()

We describe a new concept of an electro-optical sensor with the capability of simultaneous spatial and spectral filtering. It is based on a spatial light modulator, and in combination with the technique of wavelength multiplexing, it enables one to manipulate the spectral content of an indicated spot within the field of view of the sensor. This new concept allows the attenuation of monochromatic light of undetermined wavelengths in particular and is of worth for imaging vision systems to suppress unwanted detector overexposure.