This work was supported by the National Natural Science Foundation of China(No.10474059),the Provincial Natural Science Foundation of Shandong(No.Y2003A01),and the Project sponsored by SRF for ROCS,SEM,P.R.China.
The vaporization threshold was measured under the irradiation of 1.064-μm, 10-ns pulsed laser. Then we calculated the vaporization temperature based on the conservation law of energy and analyzed the vaporization tim...