Measurement of the 6d {sup 2}D{sub J} hyperfine structure of cesium using resonant two-photon sub-Doppler spectroscopy
Journal Article
·
· Physical Review. A
- Department of Physics, Lafayette College, Easton, Pennsylvania 18042 (United States)
We report the hyperfine coupling constants for the 6d {sup 2}D{sub J} states of {sup 133}Cs using two-color absorption spectroscopy with sub-Doppler resolution. Two single-mode diode lasers resonantly excite cesium in a low-pressure vapor cell. The frequency scale is directly referenced to the ground hyperfine interval of {sup 87}Rb using a radio-frequency modulation technique. The 6d {sup 2}D{sub 5/2} coupling constants are measured as A=-4.66{+-}0.04 MHz and B=0.9{+-}0.8 MHz, agreeing with the literature. The 6d {sup 2}D{sub 3/2} coupling constants are measured as A=16.34{+-}0.03 MHz and B=-0.1{+-}0.2 MHz, which significantly improve the precision of previous measurements.
- OSTI ID:
- 20853052
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 2 Vol. 74; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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