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Title:Photo-thermal interferometer
Authors:Volument d.o.o. (Authorship owner)
Drinovec, Luka (Author)
Močnik, Griša (Author)
Files:This document has no files. This document may have a phisical copy in the library of the organization, check the status via COBISS. Link is opened in a new window
Language:English
Work type:Not categorized (r6)
Tipology:2.24 - Patent
Organization:UNG - University of Nova Gorica
Abstract:A photo-thermal interferometer for measuring the light absorption of an aerosol or gas comprises a first laser source emitting a laser beam and a beam splitter adapted to divide the laser beam into a probe beam and a reference beam. The interferometer further comprises first optical elements which are adapted to direct the probe beam such that it passes through the aerosol and interferes with the reference beam thereafter thereby causing interference patterns. A detector detects the interference patterns. The interferometer further comprises a second laser source configured to emit a pump beam for transferring energy to the aerosol. Second optical elements are adapted to direct the pump beam such that it overlaps with the probe beam at least partially in the aerosol or gas. At least one of the second optical elements modifying the pump beam is an axicon.
Keywords:aerosol, absorption, black carbon
Year of publishing:2020
Publisher:US Patent and Trademark Office
Number of pages:9
COBISS_ID:13352707  Link is opened in a new window
URN:URN:SI:UNG:REP:GHNJQ4SZ
Patent:10,768,088, valid till 08.09.2020
Views:38
Downloads:0
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