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Multiplex acquisition approach for high speed 3D measurements with a chromatic confocal microscope

: Taphanel, M.; Zink, R.; Längle, Thomas; Beyerer, Jürgen

Postprint urn:nbn:de:0011-n-3750976 (705 KByte PDF)
MD5 Fingerprint: 62c55d178946fc06d1a53446213dd7d8
Copyright Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Erstellt am: 2.2.2016

Lehmann, P. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Optical Measurement Systems for Industrial Inspection IX : 22-25 June 2015, Munich, Germany
Bellingham, WA: SPIE, 2015 (Proceedings of SPIE 9525)
ISBN: 978-1-62841-685-5
Paper 95250Y, 8 S.
Conference "Optical Measurement Systems for Industrial Inspection" <9, 2015, Munich>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IOSB ()
3D Sensor; multispectral camera; inline measurements; multispectral signal processing; NAT

A technical realization of a multispectral camera is proposed, by multiplexing a light source with six different spectra. A monochrome line scan camera with six pixel rows is used as detector. The special feature of this acquisition approach is its high speed capability. The scan speed is as high as the frame rate of the line scan camera and not affected by the multiplexing. As application a chromatic confocal microscope was build up. From a data acquisition perspective up to 284 million 3D points per second can be measured. A real time signal processing is proposed, too.