简介:WeproposeapromisingschemetodecelerateaCWmolecularbeambyusingared-detunedquasi-cwsemi-Gaussianlaserbeam(SGB).WestudythedynamicalprocessofthedecelerationforaCWdeuteratedammonia(ND3)molecularbeambyMonte-Carlosimulationmethod.OurstudyshowsthatwecanobtainaND3molecularbeamwitharelativeaveragekineticenergylossofabout10%andarelativeoutputmolecularnumberofmorethan90%byusingasinglequasi-cwSGBwithapowerof1.5kWandamaximumopticalwelldepthof7.33mK.