Precise measurement of hyperfine structure in the state of Rb |
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| Authors: | U.D. Rapol A. Krishna V. Natarajan |
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| Affiliation: | (1) Department of Physics, Indian Institute of Science, Bangalore 560 012, India, IN |
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| Abstract: | We demonstrate a technique to measure hyperfine structure using a frequency-stabilized diode laser and an acousto-optic modulator locked to the frequency difference between two hyperfine peaks. We use this technique to measure hyperfine intervals in the 5 P 3/2 state of 85Rb and obtain a precision of 20 kHz. We extract values for the magnetic-dipole coupling constant A = 25.038(5) MHz and the electric-quadrupole coupling constant B = 26.011(22) MHz. These values are a significant improvement over previous results. Received 6 March 2003 Published online 15 April 2003 |
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| Keywords: | PACS. 32.10.Fn Fine and hyperfine structure – 42.55.Px Semiconductor lasers laser diodes – 42.62.Fi Laser spectroscopy |
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