Investigation of erbium-doped fiber laser intra-cavity absorption sensor for gas detection

Zhang, Y. and Zhang, M. and Jin, W. and Ho, H.L. and Demokan, M.S. and Culshaw, B. and Stewart, G. (2004) Investigation of erbium-doped fiber laser intra-cavity absorption sensor for gas detection. Optics Communications, 232 (1-6). pp. 295-301. ISSN 0030-4018 (http://dx.doi.org/10.1016/j.optcom.2004.02.046)

Abstract

Steady state theoretical analysis of an erbium-doped fiber laser intra-cavity absorption sensor shows that high sensitivity can be achieved when the laser is working near threshold but is limited by the spontaneous emission. Experiments are carried out using a linear cavity fiber laser. The general trends of experimental results agree with the theoretical prediction. The use of the intra-cavity sensor for gas detection is demonstrated. A sensitivity of 91 times that of a single-pass absorption sensor is achieved.

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• Item metadata

  Item type:	Article
  ID code:	7016
  Dates:	Date Event 2004 Published
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering Unknown Department
  Depositing user:	Strathprints Administrator
  Date deposited:	16 Oct 2008
  Last modified:	15 Nov 2024 01:02
  URI:	https://strathprints.strath.ac.uk/id/eprint/7016