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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea


  • Vol. 17, Iss. 6 — Dec. 1, 2013
  • pp: 481–485

A Method for the Measurement of Methane Gas Based on Multi-beam Interferometry

Jiansen Ye and Zhuo Li  »View Author Affiliations

Journal of the Optical Society of Korea, Vol. 17, Issue 6, pp. 481-485 (2013)

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A method for the measurement of the concentration of methane is experimentally demonstrated. The wavelength filter and gas cell are combined by using one Fabry-Perot etalon, which is filmed with the reflectivity of 96%. The optical broadband source is not only filtered to match the absorption wavelength of methane, but also absorbed by the methane in the same Fabry-Perot etalon. The concentration of the methane can be detected directly by measuring the transmission intensity. Compared with the conventional method, the proposed method possesses low costand high stability.

© 2013 Optical Society of Korea

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.1880) Instrumentation, measurement, and metrology : Detection
(130.6010) Integrated optics : Sensors

Original Manuscript: August 9, 2013
Revised Manuscript: October 14, 2013
Manuscript Accepted: October 16, 2013
Published: December 25, 2013

Jiansen Ye and Zhuo Li, "A Method for the Measurement of Methane Gas Based on Multi-beam Interferometry," J. Opt. Soc. Korea 17, 481-485 (2013)

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