1D Magneto-Optical Trap of Polyatomic Molecules

被引：78

作者：

Baum, Louis ^{[1
,2
]}

Vilas, Nathaniel B. ^{[1
,2
]}

Hallas, Christian ^{[1
,2
]}

Augenbraun, Benjamin L. ^{[1
,2
]}

Raval, Shivam ^{[1
,2
]}

Mitra, Debayan ^{[1
,2
]}

Doyle, John M. ^{[1
,2
]}

机构：

[1] Harvard MIT Ctr Ultracold Atoms, Cambridge, MA 02138 USA

[2] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

来源：

PHYSICAL REVIEW LETTERS | 2020年 / 124卷 / 13期

关键词：

COLD MOLECULES; LASER; CHEMISTRY; ATOMS; STATE; BEAM; GAS;

D O I：

10.1103/PhysRevLett.124.133201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate a 1D magneto-optical trap of the polar free radical calcium monohydroxide (CaOH). A quasiclosed cycling transition is established to scatter similar to 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.

引用

页数：6

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