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Laser spectroscopy of spontaneous coherence transfer and optically induced polarization rotation in 87Rb by V.M. Entin; I.I. Ryabtsev; A.E. Boguslavsky; Yu.V. Brzhazovsky is a Engineering article available to read on EtoBox.

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Spontaneous coherence transfer in 87 Rb atoms has been studied experimentally using a two-color laser polarization spectroscopy. Two classes of optical transitions were investigated for that the theory predicts a presence or absence of anisotropy of a ground state hyperfine sublevel 5S 1=2 ðF 1⁄4 1Þ populated via spontaneous decay of the 5P 1=2 ðF 0 1⁄4 1; 2Þ excited states optically pumped by a strong linearly polarized laser beam. The anisotropy was controlled by the polarization rotation of another weak probe laser beam. A qualitative agreement with theory has been found at low (3-10 mW=cm 2 ) pumping intensity. However, no significant changes in the rotation angles were observed after increasing the intensity to 70 mW=cm 2 . A conclusion has been made that the spatial distribution of the pumping beam became important at high intensity.

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Author

V.M. Entin; I.I. Ryabtsev; A.E. Boguslavsky; Yu.V. Brzhazovsky

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0030-4018)

Published

2002

Language

EN

Field

Engineering (Physical Sciences)