双色激光场对运动原子的辐射压力  

Radiation force on a moving atomin a bichromatical laser field

作　　者：陈徐宗[1] 刘亮[1] 王育竹[1] 

机构地区：[1]中国科学院上海光学精密机械研究所

出　　处：《光学学报》1993年第12期1083-1089,共7页Acta Optica Sinica

摘　　要：本文研究了双色行波场对运动原子的辐射压力.通过数值计算,分别得到了在不同光强、不同频率、不同传播方向条件下,原子在双色场中的受激跃迁速率和辐射压力随速度变化的关系.结果表明:双色场对原子的辐射压力和行波场及驻波场相比,有着许多不同特点,这些特点可以在激光冷却中性原子、原子速度选择、原子动量扩散的研究中加以利用.The radiation force on a moving atom in a bichromatical travelling field is investigated in this paper. The relation of the atomic stimulated transition rate and the radiation force on the atom with its velocity in a bichromatical travelling wave is obtained by numberical calculation. Compared with that in a monochromatical travelling or a standing wave, the result in the bichromatical field have its own character, which is useful in the investigation of laser cooling of neutral atoms, selection of atomic velocity and atomic mometum diffusion.

关 键 词：行波场 受激跃迁 辐射压 原子 

分 类 号：O431[机械工程—光学工程]