Vapor drift induced by resonance radiation pressure

Year: 1991

Authors: Gozzini S., Paffuti G., Zuppini D., Gabbanini C., Moi L., Nienhuis G.

Autors Affiliation: Istituto di Fisica Atomica e Molecolare del Consiglio Nazionale delle Ricerche, Via del Giardino 7, 56127 Pisa, Italy; Fysisch Laboratorium, Rijksuniversiteit Utrecht, Postbus 80 000, 3508 TA Utrecht, Netherlands

Abstract: The resonance-radiation-pressure effect induced by a broadband long-cavity dye laser has been observed on sodium vapor confined in a capillary cell. The diffusion of the vapor has been studied as a function of laser intensity and vapor density, and the induced drift velocity has been measured. The time evolution of the vapor density is in agreement with the theoretical model under the hypothesis of optimized laser-vapor coupling. The drift velocity and the diffusion coefficient are shown instead to be larger than predicted, indicating an incomplete thermalization of the atoms at the cell walls.

Journal/Review: PHYSICAL REVIEW A

Volume: 43 (9)      Pages from: 5005  to: 5011

KeyWords: LIGHT-INDUCED DIFFUSION; ATOMIC VAPOR; LASER
DOI: 10.1103/PhysRevA.43.5005

Citations: 5
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