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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 65, Iss. 8 — Aug. 1, 1975
  • pp: 949–951

Doppler and collision-broadening effects in the profile of spectral lines

B. W. Fowler and C. C. Sung  »View Author Affiliations


JOSA, Vol. 65, Issue 8, pp. 949-951 (1975)
http://dx.doi.org/10.1364/JOSA.65.000949


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Abstract

The effect of velocity-dependent collision broadening on the shape of spectral lines is investigated. Computations show that the modified line shape has a narrower half-width than the conventional Voigt profile.

Citation
B. W. Fowler and C. C. Sung, "Doppler and collision-broadening effects in the profile of spectral lines," J. Opt. Soc. Am. 65, 949-951 (1975)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-65-8-949


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References

  1. S. S. Penner, Quantitative Molecular Spectroscopy and Gas Emissivities (Addison-Wesley, Reading, Mass., 1959).
  2. V. Ye. Zuev, Propagation of Visible and Infrared Waves in the Atmosphere ('Sovetskoe Radio', Moscow, USSR, 1970; Wiley, New York, 1974).
  3. D. W. Posener, Aust. J. Phys. 12, 184 (1959).
  4. E. E. Whiting, J. Quant. Spectrosc. Radiat. Transfer 8, 1379 (1968).
  5. We assume in this paper that γL is collision dominated.
  6. J. Y. Wang, Appl. Opt. 13, 56 (1974).
  7. That σ may not be a constant can have a serious effect on the behavior of k(ω) for large ω.
  8. Handbook of Mathematical Functions, edited byM. Abramowitz and I. A. Stegun, Natl. Bur. Std. (U.S.) Appl. Math. Ser. (U. S. Government Printing Office, Washington, D. C., 1964; Dover, New York, 1965).
  9. R. S. Eng, P. L. Kelley, A. Mooradian, A. R. Calawa, and T. C. Harman, Chem. Phys. Lett. 19, 524 (1973).

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