Optimization of sub-doppler absorption contour in gas-dynamic beams

M. Yu Zakharov, N. N. Bezuglov, N. M. Lisenkov, A. N. Klyucharev, I. I. Beterov, K. Michulis, A. Ékersc, F. Fuso, M. Allegrini

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The formation of the Doppler contour PD(v) of absorption lines upon the excitation of particles in the volume of a gas-dynamic beam by light propagating in a direction orthogonal (reduced) to the beam axis is analyzed. Integral representations of PD(v)are obtained for arbitrary relations between the nozzle out-let diameter D and the collimating aperture diameter B in the excitation region are obtained. An optimal configuration at which the reduced Doppler contour is the narrowest at a high density of beam particles is revealed to be B/D = 2.

Original languageEnglish (US)
Pages (from-to)877-882
Number of pages6
JournalOptics and Spectroscopy (English translation of Optika i Spektroskopiya)
Issue number6
StatePublished - Jun 2010
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics


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