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Optically pumped mid infrared laser action in the monohaloacetylenes

Optically pumped mid infrared laser action in the monohaloacetylenes
Optically pumped mid infrared laser action in the monohaloacetylenes
Strong optically pumped laser action excited by a TEA carbon dioxide laser has been obtained from monofluoro-acetylene in the 560-610/cm region with outputs of up to 25mJ and superfluorescent operation readily achieved without optimisation. These result from excitation of a combination of the two bending modes v4+v5. Laser action was also obtained with 9µm excitation of the v3 C-F stretch, on a difference band terminating in v4, with similar properties. Lasers of this type are rare. As well as being a potentially useful laser source in a region sparsely populated with good lasers, the results are of interest in the context of on going investigations of the spectroscopy of HCCF. Most, but not all lines are assigned. Very weak, erratic laser action was observed from chloro- and bromo-acetylene.
0030-4018
287-294
Rutt, H.N.
e09fa327-0c01-467a-9898-4e7f0cd715fc
Rutt, H.N.
e09fa327-0c01-467a-9898-4e7f0cd715fc

Rutt, H.N. (1995) Optically pumped mid infrared laser action in the monohaloacetylenes. Optics Communications, 120 (5-6), 287-294. (doi:10.1016/0030-4018(95)00514-9).

Record type: Article

Abstract

Strong optically pumped laser action excited by a TEA carbon dioxide laser has been obtained from monofluoro-acetylene in the 560-610/cm region with outputs of up to 25mJ and superfluorescent operation readily achieved without optimisation. These result from excitation of a combination of the two bending modes v4+v5. Laser action was also obtained with 9µm excitation of the v3 C-F stretch, on a difference band terminating in v4, with similar properties. Lasers of this type are rare. As well as being a potentially useful laser source in a region sparsely populated with good lasers, the results are of interest in the context of on going investigations of the spectroscopy of HCCF. Most, but not all lines are assigned. Very weak, erratic laser action was observed from chloro- and bromo-acetylene.

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Published date: 1 November 1995
Additional Information: The experimental results reported were obtained whilst the author was at AEA Technology, Culham Laboratory, Abingdon, Oxon, OX14 3DB, UK

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Local EPrints ID: 77767
URI: http://eprints.soton.ac.uk/id/eprint/77767
ISSN: 0030-4018
PURE UUID: 7d604126-d302-4c6a-83c1-f8201a91646a

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Date deposited: 11 Mar 2010
Last modified: 22 May 2020 16:30

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Author: H.N. Rutt

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