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Proceedings Paper

Design of a multi-wavelength fibre laser using an intra-cavity phase modulator and Sagnac loop filter for sensor applications
Author(s): M. A. Mirza; G. Stewart
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Paper Abstract

This paper describes the design of an all-fibre multiwavelength erbium doped fibre laser operating at room temperature. By using a Sagnac loop filter, multiple wavelength channels are obtained with 0.8nm spacing in the C-band and simultaneous multiwavelength operation is achieved through an intracavity sinusoidal phase modulator. A polarization controller inside the filter is helpful in controlling the multiwavelength operation. The effects of modulation frequency, modulation index and pump power on the multiwavelength operation are experimentally investigated. The fibre laser has potential applications in fibre Bragg grating sensors and fibre optic spectroscopy.

Paper Details

Date Published: 2 July 2007
PDF: 4 pages
Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 66192K (2 July 2007); doi: 10.1117/12.738637
Show Author Affiliations
M. A. Mirza, Univ. of Strathclyde (United Kingdom)
G. Stewart, Univ. of Strathclyde (United Kingdom)

Published in SPIE Proceedings Vol. 6619:
Third European Workshop on Optical Fibre Sensors
Antonello Cutolo; Brian Culshaw; José Miguel López-Higuera, Editor(s)

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