Measurement of atomic lifetimes with a mode-locked laser

被引：2
|
作者：
Patterson, BM [1 ]
Lindstrom, CD [1 ]
Takekoshi, T [1 ]
Lowell, JR [1 ]
Villarreal, C [1 ]
Knize, RJ [1 ]
机构：
[1] USAF Acad, Dept Phys, Colorado Springs, CO 80840 USA
来源：
OPTICS LETTERS | 2003年 / 28卷 / 19期
关键词：
D O I：
10.1364/OL.28.001814
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a new. technique for measuring atomic lifetimes with a mode-locked laser. A single laser pulse excites the atoms and a subsequent frequency-doubled pulse ionizes the excited-state atoms. The ions are collected and counted. The measurement is repeated using excitation and detection pulses with different time separations, which determines the excited-state decay rate. We demonstrated this,technique for the 6P(3/2) state of cesium. The measured lifetime was 30.5 ns and had a statistical uncertainty of 0.1 ns. Systematic effects limited the overall experimental uncertainty to similar to0.6 ns in this initial experiment. (C) 2003 Optical Society of America.
引用
收藏
页码：1814 / 1816
页数：3
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