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Proceedings Paper

Characterization of Tm/Yb doped phosphate microsphere fibre lasers for potential sensor applications
Author(s): S. Y. Chen; T. Sun; K. T. V. Grattan; A. Pal; R. Sen; C. Sterner; P. Y. Fonjallaz
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Paper Abstract

In this paper Tm/Yb doped microspheres have been successfully created through melting the ends of fibre cores etched from single mode Tm/Yb fibres designed and fabricated specifically for the laser emission centred at mid-infrared region. When coupled with a fibre taper, a microsphere fibre laser cavity can thus be configured creating a system when pumped by a ~1600nm laser source using a monochromator to monitor the spectral characteristics of the laser output produced. The performance and characteristics of the Tm/Yb microsphere lasers are discussed in detail in the paper. The laser has shown low threshold in terms of the pump power making it well suited to potential optical fibre sensor applications.

Paper Details

Date Published: 5 October 2009
PDF: 4 pages
Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75037K (5 October 2009); doi: 10.1117/12.835461
Show Author Affiliations
S. Y. Chen, City Univ. London (United Kingdom)
T. Sun, City Univ. London (United Kingdom)
K. T. V. Grattan, City Univ. London (United Kingdom)
A. Pal, Central Glass and Ceramic Research Institute (India)
R. Sen, Central Glass and Ceramic Research Institute (India)
C. Sterner, Acreo AB (Sweden)
P. Y. Fonjallaz, Acreo AB (Sweden)

Published in SPIE Proceedings Vol. 7503:
20th International Conference on Optical Fibre Sensors
Julian D. C. Jones, Editor(s)

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