Two-photon collisional redistribution of radiation

Details Two-photon collisional redistribution of radiation Two-photon collisional redistribution of radiation

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phrva..31.3644a&link_type=abstract

Physical Review A - General Physics, 3rd Series (ISSN 0556-2791), vol. 31, June 1985, p. 3644-3671. NBS-supported research.

Physics

General Physics

16

Atomic Collisions, Atomic Excitations, Atomic Spectra, Laser Spectroscopy, Multiphoton Absorption, Radiation Distribution, Alkaline Earth Metals, Atomic Interactions, Correlation, Light Scattering, Polarization Characteristics, Radiant Flux Density

Scientific paper

Collisional redistribution in the presence of two weakly exciting laser fields is studied, including the effects due to degeneracy of the radiator states. A general expression for the total redistributed intensity is derived valid for arbitrary detunings and polarizations of the exciting laser fields. In particular, this expression contains all single-collision and sequential-collision contributions, which are equally important under certain circumstances. The similarities and differences between the redistributed intensity as calculated in this paper and the collisionally aided radiative excitation cross sections studied by Yeh and Berman (1979) and Light and Szoke (1978) are pointed out.

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