摘要
Photoelectronangulardistributions(PADs)fromtwo-photonionizationofatomsinlinearlypolarizedstronglaserfieldsareobtainedinaccordancewiththenonperturbativequantumscatteringtheory.WealsostudytheinfluenceoflaserwavelengthonPADs.Fortwo-photonionizationveryclosetotheionizationthreshold,mostoftheionizedelectronsareverticallyejectedtothelaserpolarization.PADsfromtwophotonionizationofatomsaredeterminedbythesecondordergeneralizedphasedBesselfunctionatwhichtheponderomotiveparameterplaysakeyrole.IntermsofdependenceofPADsonlaserwavelength,correspondingvariationsfortheponderomotiveparameteraredemonstrated.
出版日期
2011年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）
