Recoil and momentum diffusion of an atom close to a vacuum-dielectric interface

Henkel, Carsten; Courtois, J.-Y.

doi:10.1007/pl00021581

Cited by 4 publications

(4 citation statements)

References 47 publications

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“…With sufficient resolution, it should be possible to resolve the discrete nature of the number of photon recoils and also their magnitude,hk x >hk 0 [9]. Our technique could also be used to observe quantum electrodynamical effects for atoms in the vicinity of a surface, such as radiation pressure out of the direction of the propagating EW component [22].…”

Section: Discussionmentioning

confidence: 99%

Observation of radiation pressure exerted by evanescent waves

et al. 2000

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We report a direct observation of radiation pressure, exerted on cold rubidium atoms while bouncing on an evanescent-wave atom mirror. We analyze the radiation pressure by imaging the motion of the atoms after the bounce. The number of absorbed photons is measured for laser detunings ranging from 190 MHz to 1.4 GHz and for angles from 0.9 mrad to 24 mrad above the critical angle of total internal reflection. Depending on these settings, we find velocity changes parallel with the mirror surface, ranging from 1 to 18 cm/s. This corresponds to 2 to 31 photon recoils per atom. These results are independent of the evanescent-wave optical power.

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Section: Discussionmentioning

confidence: 99%

Observation of radiation pressure exerted by evanescent waves

et al. 2000

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“…For this arrangement, the Green tensor is explicitly known as a spatial Fourier transform with respect to the lateral separation S = (s x , s y ) ≡ R 2 − R 1 . Details may be found in [10,12,13] and in appendix A. As to be expected for this source geometry, the electric coherence tensor depends on the distances z 1 , z 2 of the observers and their lateral separation S. For simplicity, we put in the following z 1 = z 2 = z.…”

Section: Radiation Emitted By a Thermal Sourcementioning

confidence: 99%

Spatial coherence of thermal near fields

Henkel

Joulain²,

Carminati³

et al. 2000

Optics Communications

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106

105

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We analyze the spatial coherence of the electromagnetic field emitted by a half-space at temperature T close to the interface. An asymptotic analysis allows to identify three different contributions to the cross-spectral density tensor in the near-field regime. It is shown that the coherence length can be either much larger or much shorter than the wavelength depending on the dominant contribution.Comment: 13 pages, 8 graphs, includes Elsevier elsart.cls preprint style. Submitted to Optics Communications (27 july 2000

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“…The proximity of a dielectric surface can change the radiative properties of atoms. In particular, for circularly-polarized evanescent waves it has been predicted that the radiation pressure is not parallel to the Poynting vector [14]. However, this is beyond the scope of the present paper.…”

Section: Introductionmentioning

confidence: 75%

Creating a low-dimensional quantum gas using dark states in an inelastic evanescent-wave mirror

Spreeuw¹,

Voigt²,

Wolschrijn³

et al. 2000

Phys. Rev. A

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Creating a low-dimensional quantum gas using dark states in an inelastic evanescentwave mirror Spreeuw, R.J.C.; Voigt, D.; Wolschrijn, B.Th.; van Linden van den Heuvell, H.B. . Creating a lowdimensional quantum gas using dark states in an inelastic evanescent-wave mirror. Physical Review A. General rightsIt is not permitted to download or to forward/distribute the text or part of it without the consent of the author(s) and/or copyright holder(s), other than for strictly personal, individual use, unless the work is under an open content license (like Creative Commons). Disclaimer/Complaints regulationsIf you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: http://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible. Download date: 09 May 2018Creating a low-dimensional quantum gas using dark states in an inelastic evanescent-wave mirror We discuss an experimental scheme to create a low-dimensional gas of ultracold atoms, based on inelastic bouncing on an evanescent-wave mirror. Close to the turning point of the mirror, the atoms are transferred into an optical dipole trap. This scheme can compress the phase-space density and can ultimately yield an optically driven atom laser. An important issue is the suppression of photon scattering due to ''cross talk'' between the mirror potential and the trapping potential. We propose that for alkali-metal atoms the photon scattering rate can be suppressed by several orders of magnitude if the atoms are decoupled from the evanescent-wave light. We discuss how such dark states can be achieved by making use of circularly polarized evanescent waves.

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Recoil and momentum diffusion of an atom close to a vacuum-dielectric interface

Cited by 4 publications

References 47 publications

Observation of radiation pressure exerted by evanescent waves

Observation of radiation pressure exerted by evanescent waves

Spatial coherence of thermal near fields

Creating a low-dimensional quantum gas using dark states in an inelastic evanescent-wave mirror

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