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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

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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.

Item type: Article
ID code: 7016
Keywords: fiber optics sensors, laser sensors, absorption spectroscopy, fiber optics, spectroscopy, Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Unknown Department
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 16 Oct 2008
    Last modified: 16 Jul 2013 19:59
    URI: http://strathprints.strath.ac.uk/id/eprint/7016

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