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Optics Letters

Optics Letters


  • Vol. 36, Iss. 10 — May. 15, 2011
  • pp: 1930–1932

Plasma-assisted combustion of methane using a femtosecond laser

Xin Yu, Jiangbo Peng, Rui Sun, Yachao Yi, Peng Yang, Xiaochuan Yang, Chunhong Wang, Yongpeng Zhao, and Deying Chen  »View Author Affiliations

Optics Letters, Vol. 36, Issue 10, pp. 1930-1932 (2011)

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We first research the effects of femtosecond-laser-induced plasma (FLIP) on a laminar premixed methane/oxygen/nitrogen flame speed with a wide range of equivalence ratios ( 0.8 2.0 ) at atmospheric pressure. It is experimentally found that the flame speed increases by 30.8% at equivalence ratio 1.33, and the effects of the FLIP on the flame speed are more remarkable when the methane is rich. The self-emission spectra from the flame and the plasma are studied, and the presence of the oxygen atom is likely to be a key factor in enhancing flame speed.

© 2011 Optical Society of America

OCIS Codes
(140.3440) Lasers and laser optics : Laser-induced breakdown
(350.3450) Other areas of optics : Laser-induced chemistry
(350.5400) Other areas of optics : Plasmas
(300.6365) Spectroscopy : Spectroscopy, laser induced breakdown

ToC Category:
Lasers and Laser Optics

Original Manuscript: February 28, 2011
Revised Manuscript: April 18, 2011
Manuscript Accepted: April 19, 2011
Published: May 13, 2011

Xin Yu, Jiangbo Peng, Rui Sun, Yachao Yi, Peng Yang, Xiaochuan Yang, Chunhong Wang, Yongpeng Zhao, and Deying Chen, "Plasma-assisted combustion of methane using a femtosecond laser," Opt. Lett. 36, 1930-1932 (2011)

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