Bulletin of the American Physical Society

Spectroscopy of $^{1}$S$_{0 }$-- $^{3}$P$_{1} \quad ^{88}$Sr Atomic Transition in a 1.06 $\mu $m Optical Dipole Trap

Y. N. Martinez de Escobar, Pascal G. Mickelson, Andrew J. Traverso, T. C. Killian

Published May 28, 2008• 0 citations

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Spectroscopy of ^1S 0 -- ^3P 1 ^88Sr Atomic Transition in a 1.06 μm Optical Dipole Trap

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Bulletin of the American Physical Society

Spectroscopy of $^{1}$ S $_{0 }$ -- $^{3}$ P $_{1} \quad ^{88}$ Sr Atomic Transition in a 1.06 $\mu $m Optical Dipole TrapSpectroscopy of $^{1}$S$_{0 }$-- $^{3}$P$_{1} \quad ^{88}$Sr Atomic Transition in a 1.06 $\mu $m Optical Dipole Trap

Y. N. Martinez de Escobar, Pascal G. Mickelson, Andrew J. Traverso, T. C. Killian

Published May 28, 2008• 0 citations

OpenAlex

Related papers

Spectroscopy of ^1S 0 -- ^3P 1 ^88Sr Atomic Transition in a 1.06 μm Optical Dipole Trap

Y. N. Martinez de Escobar, Pascal G. Mickelson, Andrew J. Traverso +1 more

APSMay 1, 20080 citations

Collisional dynamics of ultracold Sr in an optical dipole trap

Mi Yan, Y. N. Martinez de Escobar, Pascal G. Mickelson +1 more

Bulletin of the American Physical SocietyMay 23, 20091 citation

Optimal Design of Dipole Potentials for Efficient Loading of Sr Atoms

Hidetoshi Katori, T. Ido, Makoto Kuwata‐Gonokami

We propose and demonstrate a novel far-off-resonance optical dipole trap (FORT) that is compatible with Doppler cooling. Strontium atoms are magneto-optically cooled and trapped by the spin-forbidden transition 1 S 0 - 3 P 1 at 689 nm, while the tight-focused infrared laser couples these two states to the respective dipole-allowed singlet and triplet states to generate the same amount of light shift. These designed light shifts for the cooling transition, enabling simultaneous Doppler cooling and dipole trapping, lead to the efficient loading of cooled atoms into the FORT with a few recoil energies. This scheme provides an important step towards the realization of quantum degenerate strontium atoms by purely optical means.We propose and demonstrate a novel far-off-resonance optical dipole trap (FORT) that is compatible with Doppler cooling. Strontium atoms are magneto-optically cooled and trapped by the spin-forbidden transition 1 S 0 - 3 P 1 at 689 nm, while the tight-focused infrared laser couples these two states to the respective dipole-allowed singlet and triplet states to generate the same amount of light shift. These designed light shifts for the cooling transition, enabling simultaneous Doppler cooling and dipole trapping, lead to the efficient loading of cooled atoms into the FORT with a few recoil energies. This scheme provides an important step towards the realization of quantum degenerate strontium atoms by purely optical means.

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We describe repumping and spectroscopy of laser-cooled strontium (Sr) atoms using the (5s5p) 3 P 2 –(5s4d) 3 D 2 transition. Atom number in a magneto-optical trap is enhanced by driving this transition because Sr atoms that have decayed into the (5s5p) 3 P 2 dark state are repumped back into the (5s 2 ) 1 S 0 ground state. Spectroscopy of 84 Sr, 86 Sr, 87 Sr and 88 Sr improves the value of the (5s5p) 3 P 2 –(5s4d) 3 D 2 transition frequency and determines the isotope shifts for the transition accurately enough to guide laser-cooling experiments with less abundant isotopes.We describe repumping and spectroscopy of laser-cooled strontium (Sr) atoms using the (5s5p) 3 P 2 –(5s4d) 3 D 2 transition. Atom number in a magneto-optical trap is enhanced by driving this transition because Sr atoms that have decayed into the (5s5p) 3 P 2 dark state are repumped back into the (5s 2 ) 1 S 0 ground state. Spectroscopy of 84 Sr, 86 Sr, 87 Sr and 88 Sr improves the value of the (5s5p) 3 P 2 –(5s4d) 3 D 2 transition frequency and determines the isotope shifts for the transition accurately enough to guide laser-cooling experiments with less abundant isotopes.

arXiv:0907.2270Journal of Physics B Atomic Molecular and Optical PhysicsNov 18, 200945 citations

Spectroscopy of

^{1}

_{0 }

^{3}

_{1} \quad ^{88}

Sr Atomic Transition in a 1.06 $\mu $m Optical Dipole Trap

Observation of the

^{1}

_{0}

^3

_0

clock transition at 578 nm in atomic Yb