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Optical Frequency Standard on Cold Strontium Atoms

O. Berdasov, K. Khabarova, A. Galyshev, S. Strelkin, A. Gribov, A. Kostin, G. Belotelov, N. Kolachevsky, V. Pal'chikov, S. Slyusarev

Transactions of IAA RAS, issue 36, 75–82 (2016)

Keywords: cold atoms, laser cooling, optical frequency reference, magneto-optical trap, optical lattice

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Abstract

This paper describes our milestone results creating an optical frequency standard on cold strontium atoms in FSUE VNIIFTRI. We demonstrate first-stage and second-stage laser cooling of strontium-88 atoms captured in a magneto-optical trap. Also, we figure out numbers of atoms and their temperatures after both cooling stages, recapture rate from the first to the second trap. About 310 atoms were received after two cooling stages, at the temperature of about 2.5 K. The next step we describe is trapping cold atoms in an optical lattice. Experimental setup and configuration of the optical lattice are demonstrated. We have calculated the depth of the potential and discovered the number of atoms trapped in the optical lattice, which appeared to be about 10. Currently, our laboratory is working on spectroscopy clock transition

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O. Berdasov, K. Khabarova, A. Galyshev, S. Strelkin, A. Gribov, A. Kostin, G. Belotelov,  N. Kolachevsky, V. Pal'chikov, S. Slyusarev. Optical Frequency Standard on Cold Strontium Atoms // Transactions of IAA RAS. — 2016. — Issue 36. — P. 75–82.

@article{berdasov2016,
  abstract = {This paper describes our milestone results creating an optical frequency standard on cold strontium atoms in FSUE VNIIFTRI. We demonstrate first-stage and second-stage laser cooling of strontium-88 atoms captured in a magneto-optical trap. Also, we figure out numbers of atoms and their temperatures after both cooling stages, recapture rate from the first to the second trap. About 310 atoms were received after two cooling stages, at the temperature of about 2.5 K. The next step we describe is trapping cold atoms in an optical lattice. Experimental setup and configuration of the optical lattice are demonstrated. We have calculated the depth of the potential and discovered the number of atoms trapped in the optical lattice, which appeared to be about 10. Currently, our laboratory is working on spectroscopy clock transition},
  author = {O. Berdasov and K. Khabarova and A. Galyshev and S. Strelkin and A. Gribov and A. Kostin and G. Belotelov and N. Kolachevsky and V. Pal'chikov and S. Slyusarev},
  issue = {36},
  journal = {Transactions of IAA RAS},
  keyword = {cold atoms, laser cooling, optical frequency reference, magneto-optical trap, optical lattice},
  pages = {75--82},
  title = {Optical Frequency Standard on Cold Strontium Atoms},
  url = {http://iaaras.ru/en/library/paper/1083/},
  year = {2016}
}

TY  - JOUR
TI  - Optical Frequency Standard on Cold Strontium Atoms
AU  - Berdasov, O.
AU  - Khabarova, K.
AU  - Galyshev, A.
AU  - Strelkin, S.
AU  - Gribov, A.
AU  - Kostin, A.
AU  - Belotelov, G.
AU  - Kolachevsky, N.
AU  - Pal'chikov, V.
AU  - Slyusarev, S.
PY  - 2016
T2  - Transactions of IAA RAS
IS  - 36
SP  - 75
AB  - This paper describes our milestone results creating an optical
frequency standard on cold strontium atoms in FSUE VNIIFTRI. We
demonstrate first-stage and second-stage laser cooling of
strontium-88 atoms captured in a magneto-optical trap. Also, we
figure out numbers of atoms and their temperatures after both cooling
stages, recapture rate from the first to the second trap. About 310
atoms were received after two cooling stages, at the temperature of
about 2.5 K. The next step we describe is trapping cold atoms in an
optical lattice. Experimental setup and configuration of the optical
lattice are demonstrated. We have calculated the depth of the
potential and discovered the number of atoms trapped in the optical
lattice, which appeared to be about 10. Currently, our laboratory is
working on spectroscopy clock transition
UR  - http://iaaras.ru/en/library/paper/1083/
ER  -