dorsal/arxiv
View SchemaEvaporative cooling of cesium atoms in the gravito-optical surface trap
| Authors | M. Hammes, D. Rychtarik, R. Grimm |
|---|---|
| Categories | |
| ArXiv ID | physics/0012058 |
| URL | https://arxiv.org/abs/physics/0012058 |
Abstract
We report on cooling of an atomic cesium gas closely above an evanescent-wave. Our first evaporation experiments show a temperature reduction from 10muK down to 300nK along with a gain in phase-space density of almost two orders of magnitude. In a series of measurements of heating and spin depolarization an incoherent background of resonant photons in the evanescent-wave diode laser light was found to be the limiting factor at this stage.
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"abstract": "We report on cooling of an atomic cesium gas closely above an\nevanescent-wave. Our first evaporation experiments show a temperature reduction\nfrom 10muK down to 300nK along with a gain in phase-space density of almost two\norders of magnitude. In a series of measurements of heating and spin\ndepolarization an incoherent background of resonant photons in the\nevanescent-wave diode laser light was found to be the limiting factor at this\nstage.",
"arxiv_id": "physics/0012058",
"authors": [
"M. Hammes",
"D. Rychtarik",
"R. Grimm"
],
"categories": [
"physics.atom-ph"
],
"title": "Evaporative cooling of cesium atoms in the gravito-optical surface trap",
"url": "https://arxiv.org/abs/physics/0012058"
},
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