Real-time gas-correlation imaging employing thermal background radiation
(2000) In Optics Express 6(4). p.92-103- Abstract
- Real-time imaging of gas leaks was demonstrated using an IR camera employing outdoor thermal background radiation. Ammonia, ethylene and methane detection was demonstrated in the spectral region 7-13 mu m. Imaging was accomplished using an optical filter and a gas-correlation cell matching the absorption band of the gas. When two gases, such as ammonia and ethylene, are absorbing in the same wavelength region it is possible to isolate one for display by using gas-correlation multispectral imaging. Results from a field test on a leaking gas tanker are presented as QuickTime movies. A detection limit of 200 ppm x meter for ammonia was accomplished in this setup when the temperature difference between the background and the gas was 18 K and... (More)
- Real-time imaging of gas leaks was demonstrated using an IR camera employing outdoor thermal background radiation. Ammonia, ethylene and methane detection was demonstrated in the spectral region 7-13 mu m. Imaging was accomplished using an optical filter and a gas-correlation cell matching the absorption band of the gas. When two gases, such as ammonia and ethylene, are absorbing in the same wavelength region it is possible to isolate one for display by using gas-correlation multispectral imaging. Results from a field test on a leaking gas tanker are presented as QuickTime movies. A detection limit of 200 ppm x meter for ammonia was accomplished in this setup when the temperature difference between the background and the gas was 18 K and the frame rate was 15 Hz. (C) 2000 Optical Society of America. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/2259274
- author
- Sandsten, J ; Weibring, Petter LU ; Edner, Hans LU and Svanberg, Sune LU
- organization
- publishing date
- 2000
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Optics Express
- volume
- 6
- issue
- 4
- pages
- 92 - 103
- publisher
- Optical Society of America
- external identifiers
-
- scopus:0002950230
- ISSN
- 1094-4087
- DOI
- 10.1364/OE.6.000092
- language
- English
- LU publication?
- yes
- id
- 27ebcfec-0d01-4f51-8044-3b1e128d654c (old id 2259274)
- date added to LUP
- 2016-04-04 09:19:48
- date last changed
- 2022-04-15 22:54:23
@article{27ebcfec-0d01-4f51-8044-3b1e128d654c, abstract = {{Real-time imaging of gas leaks was demonstrated using an IR camera employing outdoor thermal background radiation. Ammonia, ethylene and methane detection was demonstrated in the spectral region 7-13 mu m. Imaging was accomplished using an optical filter and a gas-correlation cell matching the absorption band of the gas. When two gases, such as ammonia and ethylene, are absorbing in the same wavelength region it is possible to isolate one for display by using gas-correlation multispectral imaging. Results from a field test on a leaking gas tanker are presented as QuickTime movies. A detection limit of 200 ppm x meter for ammonia was accomplished in this setup when the temperature difference between the background and the gas was 18 K and the frame rate was 15 Hz. (C) 2000 Optical Society of America.}}, author = {{Sandsten, J and Weibring, Petter and Edner, Hans and Svanberg, Sune}}, issn = {{1094-4087}}, language = {{eng}}, number = {{4}}, pages = {{92--103}}, publisher = {{Optical Society of America}}, series = {{Optics Express}}, title = {{Real-time gas-correlation imaging employing thermal background radiation}}, url = {{https://lup.lub.lu.se/search/files/5295299/2297559.pdf}}, doi = {{10.1364/OE.6.000092}}, volume = {{6}}, year = {{2000}}, }