Recoil-Free Spectroscopy of Neutral Sr Atoms in the Lamb-Dicke Regime
Abstract
Recoil-free as well as Doppler-free spectroscopy was demonstrated on the 1S0-3P1 transition of Sr atoms confined in a one-dimensional optical lattice. By investigating the wavelength and polarization dependence of the ac Stark shift acting on the 1S0 and 3P1(mJ=0) states, we determined the wavelength where the Stark shifts for both states coincide. This Stark-free optical lattice, allowing the purturbation-free spectroscopy of trapped atoms, may keep neutral-atom based optical standards competitive with single-ion standards.
- Publication:
-
Physical Review Letters
- Pub Date:
- July 2003
- DOI:
- 10.1103/PhysRevLett.91.053001
- arXiv:
- arXiv:physics/0303032
- Bibcode:
- 2003PhRvL..91e3001I
- Keywords:
-
- 32.80.Pj;
- 32.30.Jc;
- 32.60.+i;
- 32.70.Jz;
- Optical cooling of atoms;
- trapping;
- Visible and ultraviolet spectra;
- Zeeman and Stark effects;
- Line shapes widths and shifts;
- Atomic Physics
- E-Print:
- 5pages, 4figures