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Optics Letters

Optics Letters


  • Vol. 26, Iss. 21 — Nov. 1, 2001
  • pp: 1639–1641

Three-dimensional cooling of cesium atoms in a reflecting copper cylinder

Emmanuel Guillot, Paul-Eric Pottie, and Nöel Dimarcq  »View Author Affiliations

Optics Letters, Vol. 26, Issue 21, pp. 1639-1641 (2001)

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We present what is to our knowledge the first observation of spin-polarized atoms cooled within a reflecting cylinder in a high-power medium. A low-pressure vapor of cesium atoms is stored in a glass cell whose volume is 58 cm3. Cooling laser light (λ=852 nm) is injected into the cell by optical fibers and is recycled by multiple reflections from the walls of the cylinder. The technique used in this experiment greatly simplifies the generation of laser-cooled atoms. A maximum of 2.5 × 108 cold atoms was detected by a time-of-flight technique. The damping of atomic motion has lead to temperatures as low as 3.5μK .

© 2001 Optical Society of America

OCIS Codes
(020.4180) Atomic and molecular physics : Multiphoton processes
(060.2390) Fiber optics and optical communications : Fiber optics, infrared
(300.2530) Spectroscopy : Fluorescence, laser-induced

Emmanuel Guillot, Paul-Eric Pottie, and Nöel Dimarcq, "Three-dimensional cooling of cesium atoms in a reflecting copper cylinder," Opt. Lett. 26, 1639-1641 (2001)

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