Radiofrequency discharge-excited carbon monoxide lasers.

G. N. Pearson, Denis R. Hall

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The authors have used transverse RF discharge pumping to produce CO lasers operating sealed off at temperatures near ambient and delivering powers of 37 W m-1. The peak efficiency was 15%, which is comparable with that obtained previously for lasers operating at liquid nitrogen temperatures. The design of the laser is described. The maximum multiline laser power obtained was 14 W with a coolant temperature of -28°C. This was for a gas mix of He:CO:N2:Xe:O2 (10:1:0.5:1:0.05) at 32 Torr. The emission spectrum consisted of P-branch transitions between the 15-14...8-7 vibrational bands of the CO electronic ground state. Amplitude modulation of the RF has been used to modify the emission spectrum and produce an amplitude modulation of the laser beam.

Original languageEnglish
Title of host publicationCLEO 88 Conf Lasers Electro Opt 1988 Tech Dig Ser Vol 7
Pages394-
Publication statusPublished - 1988
EventProceedings of the 21st International Quantum Electronics Conference (IQEC'94) - Anaheim, CA, USA
Duration: 8 May 199413 May 1994

Conference

ConferenceProceedings of the 21st International Quantum Electronics Conference (IQEC'94)
CityAnaheim, CA, USA
Period8/05/9413/05/94

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carbon monoxide lasers
lasers
emission spectra
coolants
liquid nitrogen
temperature
pumping
laser beams
ground state
electronics
gases

Cite this

Pearson, G. N., & Hall, D. R. (1988). Radiofrequency discharge-excited carbon monoxide lasers. In CLEO 88 Conf Lasers Electro Opt 1988 Tech Dig Ser Vol 7 (pp. 394-)
Pearson, G. N. ; Hall, Denis R. / Radiofrequency discharge-excited carbon monoxide lasers. CLEO 88 Conf Lasers Electro Opt 1988 Tech Dig Ser Vol 7. 1988. pp. 394-
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Pearson, GN & Hall, DR 1988, Radiofrequency discharge-excited carbon monoxide lasers. in CLEO 88 Conf Lasers Electro Opt 1988 Tech Dig Ser Vol 7. pp. 394-, Proceedings of the 21st International Quantum Electronics Conference (IQEC'94), Anaheim, CA, USA, 8/05/94.

Radiofrequency discharge-excited carbon monoxide lasers. / Pearson, G. N.; Hall, Denis R.

CLEO 88 Conf Lasers Electro Opt 1988 Tech Dig Ser Vol 7. 1988. p. 394-.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - The authors have used transverse RF discharge pumping to produce CO lasers operating sealed off at temperatures near ambient and delivering powers of 37 W m-1. The peak efficiency was 15%, which is comparable with that obtained previously for lasers operating at liquid nitrogen temperatures. The design of the laser is described. The maximum multiline laser power obtained was 14 W with a coolant temperature of -28°C. This was for a gas mix of He:CO:N2:Xe:O2 (10:1:0.5:1:0.05) at 32 Torr. The emission spectrum consisted of P-branch transitions between the 15-14...8-7 vibrational bands of the CO electronic ground state. Amplitude modulation of the RF has been used to modify the emission spectrum and produce an amplitude modulation of the laser beam.

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Pearson GN, Hall DR. Radiofrequency discharge-excited carbon monoxide lasers. In CLEO 88 Conf Lasers Electro Opt 1988 Tech Dig Ser Vol 7. 1988. p. 394-