外加磁场对简并二能级原子系统相干特性的影响  

Effect of external magnetic field on the coherence properties of degenerated two-level atomic system

作　　者：赵建明[1] 汪丽蓉[1] 赵延霆[1] 马杰[1] 肖连团[1] 贾锁堂[1] 

机构地区：[1]量子光学和光量子器件国家重点实验室,山西大学物理电子工程学院,太原030006

出　　处：《物理学报》2005年第11期5093-5097,共5页Acta Physica Sinica

基　　金：国家自然科学基金(批准号:10174047);山西省青年科学基金(批准号:20031004;20041013)资助的课题。~~

摘　　要：在铯原子简并二能级系统中6S1/2F=4—6P3/2F’=5的循环跃迁上获得了电磁感应吸收(EIA)峰,并研究了轴向均匀磁场对二能级系统相干效应的影响,即存在轴向均匀磁场时,观测到在铯原子6S1/2F=4—6P3/2F’=5跃迁频率处EIA和电磁诱导透明(EIT)的混合结构,在合适的实验条件下,其结果与Ye等(2002)的理论分析相一致.The electromagnatically induced absorption （EIA） is obtained in degenerated cycled cesium atomic two-level transition of 6S1/2F=4-6P3/2F＇=5. The effect of the magnetic field on coherence of the atom is also investigated experimentally. When external magnetic field is applied, the mixed structure of electromagnetically induced absorption and transparency is obtained in the transition of 6S1/2F=4-6P3/2F＇=5. The experimental results are in agreement with theoretical analysis of C.Y. Ye et al. （2002）.

关 键 词：电磁感应吸收(EIA) 铯原子 简并二能级系统 二能级原子系统 相干特性 外加磁场 简并 二能级系统 电磁感应吸收 电磁诱导透明 均匀磁场 跃迁频率 

分 类 号：O562.2[理学—原子与分子物理]