| Title: | Photo-thermal interferometer |
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| Authors: | ID Volument d.o.o. (Copyright holder)
ID Drinovec, Luka, Volumen d.o.o. (Author)
ID Močnik, Griša, Volumen d.o.o. (Author) |
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| Files: |
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| Language: | English |
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| Work type: | Not categorized |
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| Typology: | 2.24 - Patent |
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| Organization: | UNG - University of Nova Gorica
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| 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. |
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| Keywords: | aerosol, absorption, black carbon |
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| Place of publishing: | Alexandria, Virginia, ZDA |
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| Publisher: | US Patent and Trademark Office |
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| Year of publishing: | 2020 |
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| Number of pages: | 9 |
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| PID: | 20.500.12556/RUNG-5799 |
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| COBISS.SI-ID: | 13352707 |
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| NUK URN: | URN:SI:UNG:REP:GHNJQ4SZ |
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| Patent: | 10,768,088, valid till 08.09.2020 |
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| Publication date in RUNG: | 15.09.2020 |
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| Views: | 4575 |
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| Downloads: | 0 |
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| Metadata: |    |
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