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Proceedings Paper

Self-starting passively mode-locked fibre ring laser for distributed sensing
Author(s): J.-M. Sommer; Peter C. Waite; Trevor P. Newson
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Paper Abstract

A twelve hundred metre long, passively mode-locked, fibre ring laser has been constructed using polarisation preserving fibre to ensure operational stability. A short length of lo-bi spun fibre has been included to exploit non-linear polarisation evolution (NLPE) as the mechanism for mode-locking the fibre laser. Pulses with durations in the range of 1 to 10ns with intensities of a few Watts centred around the 1.535? wavelength were achieved. The circulating pulse within the laser cavity generates both Rayleigh and Raman scattered light. The former may be used to measure losses within the cavity, the latter permits the distributed temperature measurements of the fibre forming the cavity.

Paper Details

Date Published: 14 September 1994
PDF: 4 pages
Proc. SPIE 2360, Tenth International Conference on Optical Fibre Sensors, (14 September 1994); doi: 10.1117/12.185019
Show Author Affiliations
J.-M. Sommer, Univ. of Southampton (United Kingdom)
Peter C. Waite, Univ. of Southampton (United Kingdom)
Trevor P. Newson, Univ. of Southampton (United Kingdom)

Published in SPIE Proceedings Vol. 2360:
Tenth International Conference on Optical Fibre Sensors
Brian Culshaw; Julian D. C. Jones, Editor(s)

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