1973
DOI: 10.1051/jphys:019730034010084500
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Spectroscopie d'absorption multiphotonique sans effet Doppler

Abstract: Lorsqu'un atome est porté dans un état excité par absorption de plusieurs photons, il est possible d'éliminer l'effet Doppler en choisissant une géométrie particulière pour les faisceaux Laser. Dans le cas des transitions à deux photons, on étudie la forme de la raie : on montre que les expériences sont possibles avec des puissances de Laser relativement faibles de l'ordre du watt et que les déplacements de fréquence causés par l'irradiation lumineuse restent négligeables. L'application essentielle de ces proc… Show more

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Cited by 301 publications
(112 citation statements)
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“…[41] It follows that there is no SME contribution to the 2S − 1S energy splitting at O(SM E · α 0 ). The leading correction to the splitting is at O(SM E · α 2 ):…”
Section: Result and Application To The 2s − 1s Transition In Hydrmentioning
confidence: 99%
“…[41] It follows that there is no SME contribution to the 2S − 1S energy splitting at O(SM E · α 0 ). The leading correction to the splitting is at O(SM E · α 2 ):…”
Section: Result and Application To The 2s − 1s Transition In Hydrmentioning
confidence: 99%
“…If the atom absorbs one photon from each beam, the total momentum of the absorbed photons is zero, and, consequently, there is a cancellation of the first order Doppler effect and of the recoil effect. The idea to apply this two-photon spectroscopy to the 1S-2S transition in hydrogen was immediately proposed by several authors, Cagnac et al [46], Baklanov and Chebotayev [47] and Hänsch et al [48]. It was a very attractive proposal: because of the very small natural width (1.3 Hz) of the 2S level, the quality factor of the 1S − 2S transition is about 2 × 10 15 .…”
Section: The 1s-2s Transitionmentioning
confidence: 99%
“…Note that the analysis of the one-photon process can be deduced straightforwardly from the results below by setting the Doppler-free term to zero. The transition rates are given by [11]:…”
Section: Doppler Cooling With One-and Two-photon Transitionsmentioning
confidence: 99%