Under the resonant excitation of Zn atomic 4p^(3)P_(1) state a strong stimulated emission at 481.0nm is produced,which corresponds to the transition between 5s^(3)S_(1) and 4p^(3)P_(2) of Zn.If N_(2) molecular gas is ...Under the resonant excitation of Zn atomic 4p^(3)P_(1) state a strong stimulated emission at 481.0nm is produced,which corresponds to the transition between 5s^(3)S_(1) and 4p^(3)P_(2) of Zn.If N_(2) molecular gas is used as buffer gas instead of rare gas He or Ar,the stimulated emission may be enhanced by several orders of magnitude.The dependences of intensity on density of atomic Zn and N_(2) pressure are studied experimentally.The mechanism which causes population inversion is propased.展开更多
基金Supported by the National Natural Science Foundation of China。
文摘Under the resonant excitation of Zn atomic 4p^(3)P_(1) state a strong stimulated emission at 481.0nm is produced,which corresponds to the transition between 5s^(3)S_(1) and 4p^(3)P_(2) of Zn.If N_(2) molecular gas is used as buffer gas instead of rare gas He or Ar,the stimulated emission may be enhanced by several orders of magnitude.The dependences of intensity on density of atomic Zn and N_(2) pressure are studied experimentally.The mechanism which causes population inversion is propased.
