详细讨论了激光二极管泵浦的Nd:YAG微片激光器输出的纵、横模特性.当泵浦功率小于740 mW时，输出为单纵模、基横模，线宽达到仪器分辨......

Type WYZ-97 eighteen-information noninsulate frequency-shift automatic blocking system is the most advanced railroad sig......