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arXiv 1610.02451physics.atom-phquant-ph
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热蒸气中的原子干涉测量

Atom Interferometry in a Warm Vapor

G. W. Biedermann, H. J. McGuinness, A. V. Rakholia, Y. -Y. Jau, D. R. Wheeler, J. D. Sterk, G. R. Burns

摘要:

我们演示了铷原子热蒸气中的物质波干涉。已建立的光脉冲原子干涉测量方法依赖于激光冷却来将大量原子系综集中到与原子光学光脉冲共振的速度类中。在我们的实验中,我们表明,没有激光冷却,可以获得清晰的干涉信号。这种效应依赖于原子干涉仪共振的多普勒选择性。该干涉仪可以被配置为测量加速度,我们证明,多个干涉仪可以同时操作,通过解决多个速度类。

英文摘要:

We demonstrate matterwave interference in a warm vapor of rubidium atoms. Established approaches to light pulse atom interferometry rely on laser cooling to concentrate a large ensemble of atoms into a velocity class resonant with the atom optical light pulse. In our experiment, we show that clear interference signals may be obtained without laser cooling. This effect relies on the Doppler selectivity of the atom interferometer resonance. This interferometer may be configured to measure accelerations, and we demonstrate that multiple interferometers may be operated simultaneously by addressing multiple velocity classes.

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