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Titolo:
Atomic collimation with a single laser pulse
Autore:
Kajita, M; Morikawa, T;
Indirizzi:
Commun Res Lab, Koganei, Tokyo 1848795, Japan Commun Res Lab Koganei Tokyo Japan 1848795 Koganei, Tokyo 1848795, Japan
Titolo Testata:
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS
fascicolo: 11A, volume: 38, anno: 1999,
pagine: L1281 - L1283
SICI:
0021-4922(19991101)38:11A<L1281:ACWASL>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
CESIUM; TRAP;
Keywords:
dipole force; phase space volume; sub-recoil; far-detuned laser; spontaneous scattering;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
12
Recensione:
Indirizzi per estratti:
Indirizzo: Kajita, M Commun Res Lab, 4-2-1 Nukui Kitamachi, Koganei, Tokyo 1848795, Japan Commun Res Lab 4-2-1 Nukui Kitamachi Koganei Tokyo Japan 1848795
Citazione:
M. Kajita e T. Morikawa, "Atomic collimation with a single laser pulse", JPN J A P 2, 38(11A), 1999, pp. L1281-L1283

Abstract

In this letter we describe a new method of reducing one or two components of atomic velocity using an optical dipole force. The optical dipole force produces a harmonic potential transverse to the Gaussian optical beam. If the initial atomic,position is close to the center of the beam, the transverse velocity component becomes almost zero after a quarter period of harmonic oscillation. If the laser is switched off at this moment, a very small transverse velocity component can be obtained. The use of a far-detuned laserreduces the heating due to spontaneous scattering and enables us to obtaina sub-photon recoil velocity component.

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Documento generato il 11/07/20 alle ore 10:38:28