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Generation of a cold pulsed beam of Rb atoms by transfer from a 3D magneto-optic trap

Chanu, Sapam Ranjita and Rathod, Ketan D and Natarajan, Vasant (2016) Generation of a cold pulsed beam of Rb atoms by transfer from a 3D magneto-optic trap. In: PHYSICS LETTERS A, 380 (37). pp. 2943-2946.

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Official URL: http://dx.doi.org/10.1016/j.physleta.2016.07.022


We demonstrate a technique for producing a cold pulsed beam of atoms by transferring a cloud of atoms trapped in a three dimensional magneto-optic trap (MOT). The MOT is loaded by heating a getter source of Rb atoms. We show that it is advantageous to transfer with two beams (with a small angle between them) compared to a single beam, because the atoms stop interacting with the beams in the two-beam technique, which results in a Gaussian velocity distribution. The atoms are further cooled in optical molasses by turning off the MOT magnetic field before the transfer beams are turned on. (C) 2016 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 08 Oct 2016 07:12
Last Modified: 08 Oct 2016 07:12
URI: http://eprints.iisc.ac.in/id/eprint/54930

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