镉离子微波钟研究进展

Research on cadmium-ion microwave clock

基于囚禁离子的微波原子钟在小型化及可移动方面具有优势,因而受到广泛关注。其中,113 Cd+离子因其所需激光数量少,基态超精细能级分裂大等优势,成为新一代实用离子微波钟的主要候选离子。近几十年来,国内外多个实验团队开展了镉离子微波钟的研究工作。本文按照时间顺序,详细介绍了国内外不同实验团队在镉离子微波钟研究方面采用的技术路线及最新进展。

Microwave atomic clocks based on trapped ions have advantages in miniaturization and mobility.Therefore,they have attracted widespread attention.Among them,the 113 Cd+ion has become the main candidate ions for the new generation of practical ion microwave clocks due to its advantages of low laser requirements and large ground-state hyperfine splitting frequency.In recent decades,multiple experimental teams at home and abroad have conducted research on cadmium-ion microwave clocks.This article provides a detailed introduction in chronological order of the technical routes and the latest developments adopted by different experimental teams at home and abroad in the research of cadmium-ion microwave clocks.