Chalcogenide glass microsphere laser
Chalcogenide glass microsphere laser
Laser action has been demonstrated in chalcogenide glass microsphere. A sub millimeter neodymium-doped gallium lanthanum sulphide glass sphere was pumped at 808 nm with a laser diode and single and multimode laser action demonstrated at wavelengths between 1075 and 1086 nm. The gallium lanthanum sulphide family of glass offer higher thermal stability compared to other chalcogenide glasses, and this, along with an optimized Q-factor for the microcavity allowed laser action to be achieved. When varying the pump power, changes in the output spectrum suggest nonlinear and/or thermal effects have a strong effect on laser action.
26720-26727
Elliott, Gregor R.
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Murugan, G.Senthil
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Wilkinson, James S.
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Zervas, Michalis N.
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Hewak, Daniel W.
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December 2010
Elliott, Gregor R.
8bfc52a5-7384-44b1-845a-d2a726d6bd2a
Murugan, G.Senthil
a867686e-0535-46cc-ad85-c2342086b25b
Wilkinson, James S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Hewak, Daniel W.
87c80070-c101-4f7a-914f-4cc3131e3db0
Elliott, Gregor R., Murugan, G.Senthil, Wilkinson, James S., Zervas, Michalis N. and Hewak, Daniel W.
(2010)
Chalcogenide glass microsphere laser.
Optics Express, 18 (25), .
(doi:10.1364/OE.18.026720).
Abstract
Laser action has been demonstrated in chalcogenide glass microsphere. A sub millimeter neodymium-doped gallium lanthanum sulphide glass sphere was pumped at 808 nm with a laser diode and single and multimode laser action demonstrated at wavelengths between 1075 and 1086 nm. The gallium lanthanum sulphide family of glass offer higher thermal stability compared to other chalcogenide glasses, and this, along with an optimized Q-factor for the microcavity allowed laser action to be achieved. When varying the pump power, changes in the output spectrum suggest nonlinear and/or thermal effects have a strong effect on laser action.
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Published date: December 2010
Organisations:
Optoelectronics Research Centre
Identifiers
Local EPrints ID: 177029
URI: http://eprints.soton.ac.uk/id/eprint/177029
ISSN: 1094-4087
PURE UUID: 0692f660-143d-42d2-9c67-cde0a3a0a4da
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Date deposited: 14 Mar 2011 11:34
Last modified: 15 Mar 2024 02:42
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Contributors
Author:
Gregor R. Elliott
Author:
G.Senthil Murugan
Author:
Michalis N. Zervas
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