摘要
寿命问题一直是国内小型磁选态铯束管的重要缺陷,随着科技的发展,对铯束管的寿命要求越来越长,目前铯束管寿命问题已成为制约国内铯束管发展的技术瓶颈。通过介绍磁选态铯束管的工作原理及影响铯束管寿命的因素,阐述了铯炉内铯的消耗和倍增器增益随工作时间衰减对铯束管长寿命的影响。
The life-span limitation of Cesium beam tube（CBT）is the most serious shortage in our research. Alongwith the development of science and technology,there is many requirements to the CBT’ s life-span. Nowadays,the lifespanis the fatal problem in the CBT’ s research. In this thesis,we introduced the principle of CBT and the influence factorsof CBT’ s life-span,especially two factors,one is Cs Oven used up metal cesium,the other is the attenuation of theelectron multiplier along with the working time increasing.
出处
《真空与低温》
2015年第1期48-50,共3页
Vacuum and Cryogenics
基金
国家自然科学基金资助项目(51304100
61471183)
关键词
铯原子钟
铯束管
铯炉
倍增器
寿命
Cesium atomic clock
Cesium beam tube（CBT）
Cesium oven
electron multiplier
life-span
