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Title: Femtosecond frequency comb measurement of absolute frequencies and hyperfine coupling constants in cesium vapor

Abstract

We report measurements of absolute transition frequencies and hyperfine coupling constants for the 8S{sub 1/2}, 9S{sub 1/2}, 7D{sub 3/2}, and 7D{sub 5/2} states in {sup 133}Cs vapor. The stepwise excitation through either the 6P{sub 1/2} or 6P{sub 3/2} intermediate state is performed directly with broadband laser light from a stabilized femtosecond laser optical-frequency comb. The laser beam is split, counterpropagated, and focused into a room-temperature Cs vapor cell. The repetition rate of the frequency comb is scanned and we detect the fluorescence on the 7P{sub 1/2,3/2{yields}}6S{sub 1/2} branches of the decay of the excited states. The excitations to the different states are isolated by the introduction of narrow-bandwidth interference filters in the laser beam paths. Using a nonlinear least-squares method we find measurements of transition frequencies and hyperfine coupling constants that are in agreement with other recent measurements for the 8S state and provide improvement by 2 orders of magnitude over previously published results for the 9S and 7D states.

Authors:
 [1];  [2]; ; ; ;  [3];  [4]
  1. Department of Physics and Astronomy, Oberlin College, 110 N. Professor St., Oberlin, OH 44074 (United States)
  2. Time and Frequency Division, National Institute of Standards and Technology, 325 Broadway MS 847, Boulder, CO 80305 (United States) and School of Physics, University of Witwatersrand, Private Bag 3, WITS, 2050, RSA
  3. Time and Frequency Division, National Institute of Standards and Technology, 325 Broadway MS 847, Boulder, CO 80305 (United States)
  4. Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556-5670 (United States)
Publication Date:
OSTI Identifier:
21408734
Resource Type:
Journal Article
Journal Name:
Physical Review. A
Additional Journal Information:
Journal Volume: 81; Journal Issue: 4; Other Information: DOI: 10.1103/PhysRevA.81.043840; (c) 2010 The American Physical Society; Journal ID: ISSN 1050-2947
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; BEAMS; CESIUM; CESIUM 133; COUPLING CONSTANTS; DECAY; EXCITATION; EXCITED STATES; FILTERS; FLUORESCENCE; INTERFERENCE; INTERMEDIATE STATE; LASERS; LEAST SQUARE FIT; NONLINEAR PROBLEMS; VAPORS; VISIBLE RADIATION; ALKALI METALS; CESIUM ISOTOPES; ELECTROMAGNETIC RADIATION; ELEMENTS; EMISSION; ENERGY LEVELS; ENERGY-LEVEL TRANSITIONS; FLUIDS; GASES; INTERMEDIATE MASS NUCLEI; ISOTOPES; LUMINESCENCE; MATHEMATICAL SOLUTIONS; MAXIMUM-LIKELIHOOD FIT; METALS; NUCLEI; NUMERICAL SOLUTION; ODD-EVEN NUCLEI; PHOTON EMISSION; RADIATIONS; STABLE ISOTOPES

Citation Formats

Stalnaker, Jason E, Time and Frequency Division, National Institute of Standards and Technology, 325 Broadway MS 847, Boulder, CO 80305, Mbele, Vela, Gerginov, Vladislav, Fortier, Tara M, Diddams, Scott A, Hollberg, Leo, and Tanner, Carol E. Femtosecond frequency comb measurement of absolute frequencies and hyperfine coupling constants in cesium vapor. United States: N. p., 2010. Web. doi:10.1103/PHYSREVA.81.043840.
Stalnaker, Jason E, Time and Frequency Division, National Institute of Standards and Technology, 325 Broadway MS 847, Boulder, CO 80305, Mbele, Vela, Gerginov, Vladislav, Fortier, Tara M, Diddams, Scott A, Hollberg, Leo, & Tanner, Carol E. Femtosecond frequency comb measurement of absolute frequencies and hyperfine coupling constants in cesium vapor. United States. https://doi.org/10.1103/PHYSREVA.81.043840
Stalnaker, Jason E, Time and Frequency Division, National Institute of Standards and Technology, 325 Broadway MS 847, Boulder, CO 80305, Mbele, Vela, Gerginov, Vladislav, Fortier, Tara M, Diddams, Scott A, Hollberg, Leo, and Tanner, Carol E. 2010. "Femtosecond frequency comb measurement of absolute frequencies and hyperfine coupling constants in cesium vapor". United States. https://doi.org/10.1103/PHYSREVA.81.043840.
@article{osti_21408734,
title = {Femtosecond frequency comb measurement of absolute frequencies and hyperfine coupling constants in cesium vapor},
author = {Stalnaker, Jason E and Time and Frequency Division, National Institute of Standards and Technology, 325 Broadway MS 847, Boulder, CO 80305 and Mbele, Vela and Gerginov, Vladislav and Fortier, Tara M and Diddams, Scott A and Hollberg, Leo and Tanner, Carol E},
abstractNote = {We report measurements of absolute transition frequencies and hyperfine coupling constants for the 8S{sub 1/2}, 9S{sub 1/2}, 7D{sub 3/2}, and 7D{sub 5/2} states in {sup 133}Cs vapor. The stepwise excitation through either the 6P{sub 1/2} or 6P{sub 3/2} intermediate state is performed directly with broadband laser light from a stabilized femtosecond laser optical-frequency comb. The laser beam is split, counterpropagated, and focused into a room-temperature Cs vapor cell. The repetition rate of the frequency comb is scanned and we detect the fluorescence on the 7P{sub 1/2,3/2{yields}}6S{sub 1/2} branches of the decay of the excited states. The excitations to the different states are isolated by the introduction of narrow-bandwidth interference filters in the laser beam paths. Using a nonlinear least-squares method we find measurements of transition frequencies and hyperfine coupling constants that are in agreement with other recent measurements for the 8S state and provide improvement by 2 orders of magnitude over previously published results for the 9S and 7D states.},
doi = {10.1103/PHYSREVA.81.043840},
url = {https://www.osti.gov/biblio/21408734}, journal = {Physical Review. A},
issn = {1050-2947},
number = 4,
volume = 81,
place = {United States},
year = {Thu Apr 15 00:00:00 EDT 2010},
month = {Thu Apr 15 00:00:00 EDT 2010}
}