^pof;
Laser;
and;
Optoelectronics,;
College;
of;
Precision;
Instrument;
and;
Optoelectronic;
Engineering;
^pLaboratoryof;
Optoelectronic;
Information;
Science;
and;
Technology,;
Ministry;
ofEducation,;
Tianjin;
University,;
Tianjin;
300072,;
China;
晶体频率; 微米; 可调和; 混合; 纳秒; ZnGeP2; 光参量振荡器; 激光能量;