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arXiv 0812.2326quant-ph
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基于原子蒸气中速度选择光抽运的窄带可调谐滤波器

Narrowband tunable filter based on velocity-selective optical pumping in an atomic vapor

Alessandro Cere, Valentina Parigi, Marta Abad, Florian Wolfgramm, Ana Predojevic, Morgan W. Mitchell

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3 Pages, 4 figures
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摘要：

我们展示了一个可调谐的，窄带滤光片的基础上光泵诱导的圆二色性在铷蒸气。该滤波器的峰值透过率为14.6%，线宽为80 MHz，带外消光大于35 dB。透射峰可以在795 nm处铷原子D1线的多普勒线宽范围内调谐。虽然其他原子过滤器工作在远离吸收的频率，所提出的技术提供了与原子介质共振的光，可用于原子-光子相互作用实验。这种技术可以很容易地扩展到其他碱金属原子。

英文摘要：

We demonstrate a tunable, narrow-band filter based on optical-pumping-induced circular dichroism in rubidium vapor. The filter achieves a peak transmission of 14.6%, a linewidth of 80 MHz, and an out-of-band extinction >35 dB. The transmission peak can be tuned within the range of the Doppler linewidth of the D1 line of atomic rubidium at 795 nm. While other atomic filters work at frequencies far from absorption, the presented technique provides light resonant with atomic media, useful for atom-photon interaction experiments. The technique could readily be extended to other alkali atoms.

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