摘要
使用具有中间态的双光子共振非简并四波混频(NFWM)测量了Ba原子J=0和J=2的偶宇称里德伯线系,与现代实验方法不同,本方法是纯光学的方法,其光路简单,检测的是相干光,而不是电子或离子信号.当用窄带宽的激光时,本技术对里德伯能级的窄光谱结构可以获得消多普勒的分辨率.
We have applied two-photon resonant nondegenerate four-wave mixing （NFWM） with a resonant intermediate state to measure the energy levels of the Ba even-parity J = 0 and J = 2 series. Differing from other experiment techniques, our method is a pure optical technique. Instead of detecting electrons or ions, the signal here is a coherent light. Two-photon resonant NFWM is a Doppler-free spectroscopy when the incident laser beams have narrow bandwidths.
出处
《物理学报》
SCIE
EI
CAS
CSCD
北大核心
2006年第1期221-225,共5页
Acta Physica Sinica
基金
国家自然科学基金(批准号:10374113)资助的课题~~
关键词
四波混频
里德伯态
four-wave mixing, Rydberg state
