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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 22, Iss. 24 — Dec. 15, 1983
  • pp: 4013–4019

Theoretical calculations of N2-broadened halfwidths of H2O using quantum Fourier transform theory

Robert R. Gamache and Richard W. Davies  »View Author Affiliations


Applied Optics, Vol. 22, Issue 24, pp. 4013-4019 (1983)
http://dx.doi.org/10.1364/AO.22.004013


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Abstract

N2-broadened halfwidths for the pure rotation band of H2O have been calculated for some 1600 transitions using quantum Fourier transform (QFT) theory. The QFT method corresponds to a quantum mechanical second-order perturbation development of collisional broadening within the binary collision approximation. Self-broadened halfwidths as well as pressure shifts were also calculated in this study but are not presented here. The N2-broadened halfwidths were used to form the data base of H2O halfwidths present on the AFGL main gas Atlas and replace the earlier Anderson calculations by Benedict and Kaplan.

© 1983 Optical Society of America

History
Original Manuscript: August 17, 1983
Published: December 15, 1983

Citation
Robert R. Gamache and Richard W. Davies, "Theoretical calculations of N2-broadened halfwidths of H2O using quantum Fourier transform theory," Appl. Opt. 22, 4013-4019 (1983)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-24-4013

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