High-order Harmonic Generation and Multi-photon Ionization of Na_2 in Laser Fields  

作　　者：Zhang Yanping Meng Kelai Xiao Guoqing Zhang Fengshou 

机构地区：[1]不详 [2]Beijing Normal University.

出　　处：《近代物理研究所和兰州重离子加速器实验室年报：英文版》2005年第1期124-125,共2页IMP & HIRFL Annual Report

摘　　要：High-order harmonic generation (HHG) is a coherent interaction process between atoms or molecules and a driving laser field. It can produce ultra-short coherent radiation to reach the soft X-ray region. The application of a two-color laser field for HHG has been a fascinating topic of research since recent developments in laser technology have made it possible to produce laser pulses with variable and controllable amplitudes and phases even in the ultra-short and intense range.In the frame of the time-dependent local density approximation (TDLDA) , when an external field Vext=E(t)x is applied, the changes of dipole moments of Na2 in the x,y,z directions can be described as theHigh-order harmonic generation （HHG） is a coherent interaction process between atoms or molecules and a driving laser field. It can produce ultra-short coherent radiation to reach the soft X-ray region. The application of a two-color laser field for HHG has been a fascinating topic of research since recent developments in laser technology have made it possible to produce laser pulses with variable and controllable amplitudes and phases even in the ultra-short and intense range.In the frame of the time-dependent local density approximation （TDLDA） , when an external field Vext=E（t）x is applied,

关 键 词：高次谐波产生 双色激光场 钠分子 多光子 电离 局域密度近似 相干辐射 相互作用 

分 类 号：O614.112[理学—无机化学] TN24[理学—化学]