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Na-beam cooling by a mode-locked laser (1991)

Strohmeier, P. ; Horn, A. ; Kersebom, T. ; [et al.]

Springer

The European physical journal 21 (1991), S. 215-219

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ISSN: 1434-6079

Keywords: 32.80.P

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract Controlled mode-locked laser cooling of sodium atoms has been demonstrated for the first time. The broadband laser spectrum covers most of the Doppler-broadened atomic resonance spectrum. Atoms of a broad velocity range are thus decelerated simultaneously. In order to stop this process at a defined atomic velocity a two-mode laser beam tuned to resonance with both sodium groundstate levels is copropagating with the atomic beam and counterpropagating to the mode-locked laser beam. In this optical molasses sodium atoms ofv=20 m/s have been piled up to densities of about 2·106 cm−3. The density dependence on variable laser parameters has been investigated systematically.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01426376

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