The formation of the Doppler contour P (D)(?) 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 P (D)(?) are obtained for arbitrary relations between the nozzle outlet 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.

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

FUSO, FRANCESCO;ALLEGRINI, MARIA
2010-01-01

Abstract

The formation of the Doppler contour P (D)(?) 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 P (D)(?) are obtained for arbitrary relations between the nozzle outlet 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.
2010
Zakharov M., Yu; Bezuglov, N. N.; Lisenkov, N. M.; Klyucharev, A. N.; Beterov, I. I.; Michulis, K.; Ekers, A.; Fuso, Francesco; Allegrini, Maria
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/195535
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