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印建平, 夏勇, 邓联忠, 李兴佳. 第一讲 中性分子的缓冲气体冷却与速度滤波技术[J]. 物理, 2017, 46(6): 376-386. DOI: 10.7693/wl20170605
引用本文: 印建平, 夏勇, 邓联忠, 李兴佳. 第一讲 中性分子的缓冲气体冷却与速度滤波技术[J]. 物理, 2017, 46(6): 376-386. DOI: 10.7693/wl20170605
YIN Jian-Ping, XIA Yong, DENG Lian-Zhong, LI Xing-Jia. Buffer gas cooling and velocity filtering of neutral molecules[J]. PHYSICS, 2017, 46(6): 376-386. DOI: 10.7693/wl20170605
Citation: YIN Jian-Ping, XIA Yong, DENG Lian-Zhong, LI Xing-Jia. Buffer gas cooling and velocity filtering of neutral molecules[J]. PHYSICS, 2017, 46(6): 376-386. DOI: 10.7693/wl20170605

第一讲 中性分子的缓冲气体冷却与速度滤波技术

Buffer gas cooling and velocity filtering of neutral molecules

  • 摘要: 文章首先介绍缓冲气体冷却的基本原理、实验方案与结果及其最新研究进展。其次,详细介绍产生冷分子束的低通速度滤波器的基本原理、技术方案及其实验结果。主要包括基于静电弯曲导引技术的Stark速度滤波方案、基于静磁弯曲导引技术的Zeeman速度滤波方案和基于激光弯曲导引技术的交流Stark速度滤波方案。最后,简单介绍缓冲气体冷却和速度滤波技术的应用研究。

     

    Abstract: In this paper we first introduce the basic principle, experimental schemes and results of buffer-gas cooling for molecules, and recent research progress. We then present the basic principle, technical schemes and experimental results of velocity filtering to generate cold molecular beams, including Stark velocity filtering, Zeeman velocity filtering and all optical velocity filtering schemes based on electrostatic, electromagnetic and optical bent guiding technologies. Some important applications of cold molecules at a temperature of about 1K produced by buffer-gas cooling and velocity filtering are briefly introduced in the final section.

     

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