Optically pumped mid infrared laser action in the monohaloacetylenes


Rutt, H.N. (1995) Optically pumped mid infrared laser action in the monohaloacetylenes. In, 20th International Conference on Infrared and Millimetre Waves, Orlando, US, 11 - 15 Dec 1995.

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Description/Abstract

Strong optically pumped laser action excited by a TEA carbon dioxide laser has been obtained from monofluoro-acetylene in the 560-610cm 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.

Item Type: Conference or Workshop Item (Paper)
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Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 76953
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:56
URI: http://eprints.soton.ac.uk/id/eprint/76953

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