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High-resolution ~(133)Cs 6S-6D, 6S-8S two-photon spectroscopy using an intracavity scheme

机译:高分辨率~(133)Cs 6S-6D、6S-8S双光子光谱法

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摘要

This Letter presents an intracavity scheme for diode laser based two-photon spectroscopy. To demonstrate generality, three ~(133)Cs hyperfine transition groups of different wavelengths are shown. For the 6S-6D transitions, we achieved a 10~(2) times better signal-to-noise ratio than in previous work J. Phys. Soc. Jpn. 74, 2487 (2005) with 10~(-3) times less laser power, revealing some previously vague and unobserved spectra. Possible mutual influences between the two-photon absorber and laser cavity were investigated for the first time to our knowledge, which leads to the application of a reliable hand-sized optical frequency reference. Our approach is applicable for most of the two-photon spectroscopy of alkali atoms.
机译:这封信介绍了一种基于二极管激光器的双光子光谱的腔内方案。为了证明通用性,图示了三个不同波长的~(133)Cs超精细跃迁基团。对于6S-6D跃迁,我们实现了比以前的工作[J. Phys. Soc. Jpn. 74, 2487 (2005)]高10~(2)倍的信噪比,激光功率降低了10~(-3),揭示了一些以前模糊和未观察到的光谱。据我们所知,首次研究了双光子吸收器和激光腔之间可能的相互影响,这导致了可靠的手掌大小的光学频率参考的应用。我们的方法适用于碱原子的大多数双光子光谱。

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