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arXiv physics/0512016physics.atom-phphysics.optics
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原子总密度周期性亚波长模式的直接成像

Direct Imaging of Periodic Sub-wavelength Patterns of Total Atomic Density

Alexei Tonyushkin, Tycho Sleator

摘要:

在德布罗意原子干涉仪中产生了周期为$λ/4$和$λ/2$的总原子密度干涉条纹,并利用“光罩”技术直接成像。成像技术使我们能够观察到亚波长周期性图案的分辨率为$λ/16$。研究了干涉时间附近的量子动力学随反冲相位和脉冲面积的变化。

英文摘要:

Interference fringes of total atomic density with period $λ/4$ and $λ/2$ for optical wavelength $λ$, have been produced in de Broglie atom interferometer and directly imaged by means of an ``optical mask'' technique. The imaging technique allowed us to observe sub-wavelength periodic patterns with a resolution of $λ/16$. The quantum dynamics near the interference times as a function of the recoil phase and pulse areas has been investigated.

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