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6 椭圆形激光光束的能量分布
Fig.6 Energy distribution of elliptical laser beams