1D Magneto-Optical Trap of Polyatomic Molecules.,Physical Review Letters

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1D Magneto-Optical Trap of Polyatomic Molecules.
Physical Review Letters ( IF 8.1 ) Pub Date : 2020-04-03 , DOI: 10.1103/physrevlett.124.133201
Louis Baum _{1,

2} , Nathaniel B Vilas _{1,

2} , Christian Hallas _{1,

2} , Benjamin L Augenbraun _{1,

2} , Shivam Raval _{1,

2} , Debayan Mitra _{1,

2} , John M Doyle _{1,

2}

Affiliation

We demonstrate a 1D magneto-optical trap of the polar free radical calcium monohydroxide (CaOH). A quasiclosed cycling transition is established to scatter ∼10^{3} photons per molecule, predominantly limited by interaction time. This enables radiative laser cooling of CaOH while compressing the molecular beam, leading to a significant increase in on axis beam brightness and reduction in temperature from 8.4 to 1.4 mK.

中文翻译：

多原子分子的一维磁光阱。

我们演示了一维磁光阱的极性自由基一氧化钙（CaOH）。建立了准封闭的循环跃迁，以每个分子散射约10 ^ {3}个光子，主要受相互作用时间限制。这样可以在压缩分子束的同时对CaOH进行辐射激光冷却，从而显着提高了轴上光束的亮度，并将温度从8.4 mK降低到1.4 mK。

更新日期：2020-03-31

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