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DETECTION OF GAS CONCENTRATION BY CORRELATION SPECTROSCOPY USING A MULTI-WAVELENGTH FIBER LASER

Wang, Binhao (author)
KTH,Zhejiang-KTH Joint Research Center of Photonics, JORCEP
Somesfalean, Gabriel (author)
Lund University,Lunds universitet,KTH,Zhejiang-KTH Joint Research Center of Photonics, JORCEP,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Mei, L. (author)
KTH,Zhejiang-KTH Joint Research Center of Photonics, JORCEP
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Zhou, Edward Haojiang (author)
KTH,Zhejiang-KTH Joint Research Center of Photonics, JORCEP
Yan, Chunsheng (author)
KTH,Zhejiang-KTH Joint Research Center of Photonics, JORCEP
He, Sailing (author)
KTH,Zhejiang-KTH Joint Research Center of Photonics, JORCEP,Elektroteknisk teori och konstruktion
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 (creator_code:org_t)
2011
2011
English.
In: PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER. - 1559-8985 .- 1070-4698. ; 114, s. 469-479
  • Journal article (peer-reviewed)
Abstract Subject headings
Close  
  • A correlation spectroscopy (COSPEC) based on a multi-wavelength fiber laser is first proposed for the detection of gas concentration. The lasing wavelengths are selected to match several characteristic absorption peaks of the gas under test, and the gas concentration is easily measured by correlating it with the reference gas. The present method is immune from the instability of the light source and the influence of other gases. The concentration measurement of C2H2 is demonstrated in the experiment in its near-infrared dominant absorption region. The technique has prospects for simultaneous detection of multiple gases, and the measurement of mixed gases of C2H2 and CO2 is also analyzed.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
NATURVETENSKAP  -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)

Keyword

MULTIMODE DIODE-LASER
ABSORPTION-SPECTROSCOPY
PHOTONIC GENERATION
BRAGG GRATINGS
FBG
Electrical engineering, electronics and photonics
Elektroteknik, elektronik och fotonik

Publication and Content Type

ref (subject category)
art (subject category)

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