激光-PDC钻头联合破岩机理及特性研究
黄志强,梁耀文,陈科,翟预立,雷雨薇

Research on the mechanism and characteristic of joint rock-breaking of laser-PDC drill bit
Zhiqiang HUANG,Yaowen LIANG,Ke CHEN,Yuli ZHAI,Yuwei LEI
图2 椭圆形光束辐射示意图
Fig.2 Schematic diagram of elliptic beam radiation