摘要
Thesecond-harmonicgeneration(SHG)circulardichroisminthelightofreflectionfromchiralfilmsoftripod-likechiralmoleculesisinvestigated.Theexpressionsofthesecond-harmonicgenerationcirculardichroismarederivedfromourpresentedthree-coupled-oscillatormodelforthetripod-likechiralmolecules.SpectraldependenceofthecirculardichroismofSHGfromfilmsurfacecomposedoftripod-likechiralmoleculesissimulatednumericallyandanalysed.Influenceofchiralparametersonthesecond-harmonicgenerationcirculardichroismspectruminchiralfilmsisstudied.Theresultshowsthatthesecond-harmonicgenerationcirculardichroismisasensitivemethodofdetectingchiralitycomparedwiththeordinarycirculardichroisminlinearoptics.Allofourworkindicatesthattheclassicalmolecularmodelsareveryeffectivetoexplainthesecond-harmonicgenerationcirculardichroismofchiralmolecularsystem.Theclassicalmolecularmodeltheorycangiveusaclearphysicalpictureandbringsusveryinstructiveinformationaboutthelinkbetweenthemolecularconfigurationandthenonlinearprocesses.
出版日期
2010年11月21日（中国期刊网平台首次上网日期，不代表论文的发表时间）
