A self-starting passively mode-locked fibre ring laser for distributed sensing
Sommer, J.M., Wait, P.C. and Newson, T.P. (1994) A self-starting passively mode-locked fibre ring laser for distributed sensing. In, 10th Optical Fibre Sensors Conference, Glasgow, GB, 11 - 13 Oct 1994.
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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 1.535µm 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.
|Item Type:||Conference or Workshop Item (Paper)|
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions :||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Accepted Date and Publication Date:||
|Date Deposited:||11 Mar 2010|
|Last Modified:||31 Mar 2016 13:11|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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