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VOLUME 82 (2005) | ISSUE 7 | PAGE 449
On the unique possibility to increase significantly the contrast of dark resonances on D1 line of 87Rb
PACS: 32.70.Jz, 32.80.Bx, 33.70.Jg, 42.50.Gy
Abstract
We propose and study, theoretically and experimentally, a new scheme of excitation of a coherent population trapping resonance for D1 line of alkali atoms with nuclear spin I=3/2 by bichromatic linearly polarized light ( lin|| lin field) at the conditions of spectral resolution of the excited state. The unique properties of this scheme result in a high contrast of dark resonance for D1 line of 87Rb.