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  4. Photoakustische Multipass-Zelle mit konzentrierenden Reflexionsmitteln
 
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Title

Photoakustische Multipass-Zelle mit konzentrierenden Reflexionsmitteln

Date Issued
2007
Author(s)
Miklos, A.
Angster, J.
Patent No
102007014518
Abstract
(B3) Die Erfindung betrifft eine photoakustische Multipass-Zelle, mit einer Lichtquelle und konzentrierend ausgebildeten Mitteln (3) zur Reflexion des Lichts in einem akustischen Resonator (8), die konzentrierend ausgebildet sind.
WO 2008116658 A1 UPAB: 20081024 NOVELTY - The multipass cell has a light source and two concentrating reflecting units i.e. spherical mirrors (3), for reflecting light in an acoustic resonator (8). The light source is arranged between the concentrating units which have a common optical axis. The light source is constituted by a laser diode or a fiber (5) that is guided into the photo-acoustic multipass cell. The two reflecting units have same radii, and the light source is operated at a center point of the reflecting units. USE - Photo-acoustic multipass cell for use in a photo-acoustic measuring system (claimed). ADVANTAGE - The light source is arranged between the concentrating units, thus providing multipass cell that is very sensitive and eliminates the need for accurate adjustment of the light ray.
Language
de
Institute
Fraunhofer-Institut für Bauphysik IBP
Link
http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&locale=en_EP&FT=D&CC=DE&NR=102007014518A
Patenprio
DE 102007014518 A: 20070327
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