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Proceedings Paper

Magnetic coherence resonance profiles in Na and K
Author(s): G. Alzetta; Stefka Cartaleva; S. Gozzini; Todor Karaulanov; Alessandro Lucchesini; C. Marinelli; L. Moi; K. Nasyrov; Valentina Sarova; Kapka Vaseva
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Paper Abstract

Magnetic coherence resonance profiles, obtained at magetic field B = O in Hanle configuration were examined for Na and K atoms in different cells: evacuated glass cells and buffered, coated and uncoated. At low laser power for all cells the shape of the resonancees is Lorentzian. At power higher than about 100 mW/cm2, some narrowing around the resonance peak is observed for the Na buffered cell, while for the vacuum one the resonance shape is even more complex. Theoretical explanation is proposed for the complex resonance shape evidenced in the vacuum cells. Large resonance contrast in the K absorption at B = 0 is observed, attributed to the low rate of hyperfine optical pumping in K. The detailed investigation of the resonance profiles and contrast is of very high importance for their application.

Paper Details

Date Published: 22 April 2005
PDF: 5 pages
Proc. SPIE 5830, 13th International School on Quantum Electronics: Laser Physics and Applications, (22 April 2005); doi: 10.1117/12.617839
Show Author Affiliations
G. Alzetta, Istituto per i Processi Chimico-Fisici, CNR (Italy)
Stefka Cartaleva, Institute of Electronics (Bulgaria)
S. Gozzini, Istituto per i Processi Chimico-Fisici, CNR (Italy)
Todor Karaulanov, Institute of Electronics (Bulgaria)
Alessandro Lucchesini, Istituto per i Processi Chimico-Fisici, CNR (Italy)
C. Marinelli, INFM, Univ. of Siena (Italy)
L. Moi, INFM, Univ. of Siena (Italy)
K. Nasyrov, Institute of Automation and Electrometry (Russia)
Valentina Sarova, Institute of Electronics (Bulgaria)
Kapka Vaseva, Institute of Electronics (Bulgaria)

Published in SPIE Proceedings Vol. 5830:
13th International School on Quantum Electronics: Laser Physics and Applications
Peter A. Atanasov; Sanka V. Gateva; Lachezar A. Avramov; Alexander A. Serafetinides, Editor(s)

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