dorsal/arxiv
View SchemaSuppression of Reabsorption via Modulation of Light
| Authors | Anthony R. Gorges, Ansel J. Foxley, David M. French, Christopher M. Ryan, Jacob L. Roberts |
|---|---|
| Categories | |
| ArXiv ID | physics/0607215 |
| URL | https://arxiv.org/abs/physics/0607215 |
| DOI | 10.1103/PhysRevA.75.053403 |
Abstract
Reabsorption, the multiple scattering of spontaneously emitted photons in optically thick gases, is a major limitation to efficient optical pumping and laser cooling in ultracold gases. We report mitigation of reabsorption using spatial and frequency modulation of laser light illuminating such gases. We developed a semi-classical model that successfully describes the reabsorption process when frequency-modulated light is present. It was necessary to extend the treatment in the model beyond a simple two-atom picture in order to reproduce our experimental results.
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"abstract": "Reabsorption, the multiple scattering of spontaneously emitted photons in\noptically thick gases, is a major limitation to efficient optical pumping and\nlaser cooling in ultracold gases. We report mitigation of reabsorption using\nspatial and frequency modulation of laser light illuminating such gases. We\ndeveloped a semi-classical model that successfully describes the reabsorption\nprocess when frequency-modulated light is present. It was necessary to extend\nthe treatment in the model beyond a simple two-atom picture in order to\nreproduce our experimental results.",
"arxiv_id": "physics/0607215",
"authors": [
"Anthony R. Gorges",
"Ansel J. Foxley",
"David M. French",
"Christopher M. Ryan",
"Jacob L. Roberts"
],
"categories": [
"physics.atom-ph"
],
"doi": "10.1103/PhysRevA.75.053403",
"title": "Suppression of Reabsorption via Modulation of Light",
"url": "https://arxiv.org/abs/physics/0607215"
},
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