| [1] | UGLOV A A, KOKORA A N, OREKHOV N V. Laser drilling of holes in materials with different thermal properties[J]. Soviet Journal of Quantum Electronics, 1976, 6(3):311-315. doi: 10.1070/QE1976v006n03ABEH011007 |
| [2] | ARMON E, ZVIRIN Y, LAUFER G, et al. Metal drilling with a CO2 laser beam. Ⅰ. Theory[J]. Journal of Applied Physics, 1989, 65(12):4995-5002. doi: 10.1063/1.343171 |
| [3] | OLSON R W, SWOPE W C.Laser drilling with focused Gaussian beams[J]. Journal of Applied Physics, 1992, 72(8):3686-3696. doi: 10.1063/1.352313 |
| [4] | DAHOTRE N B, HARIMKAR S. Laser fabrication and machining of materials[M].New York, USA:Springer, 2008:97-100. |
| [5] | UGLOV A A, KOKORA A N. Thermophysical and hydrodynamic effects in laser-beam processing of materials (review)[J]. Soviet Journal of Quantum Electronics, 1977, 7(6):671-678. doi: 10.1070/QE1977v007n06ABEH012871 |
| [6] | CHAN C L, MAZUMDER J. One-dimensional steady-state model for damage by vaporization and liquid expulsion due to laser-material interaction[J]. Journal of Applied Physics, 1987, 62(11):4579-4586. doi: 10.1063/1.339053 |
| [7] | FOX J A, SLUSS E C. The effect of combining cw laser radiation with pulses[C]//AIAA 16th Aerospace Sciences Meeting. Huntsville, USA: Aircraft Industries Association of America, 1978: 16-18. |
| [8] | WAGNER R E. Laser drilling mechanics[J]. Journal of Applied Physics, 1974, 45(10):4631-4637. doi: 10.1063/1.1663102 |
| [9] | FOX J A. A method for improving continuous wave laser penetration of metal targets[J]. Applied Physics Letters, 1975, 26(12):682-684. doi: 10.1063/1.88024 |
| [10] | ROBIN J E, NORDIN P. Improved CW laser penetration of solids using a superimposed pulsed laser[J]. Applied Physics Letters, 1976, 29(1):3-5. doi: 10.1063/1.88864 |
| [11] | TOWLE L C, McKAY J A, SCHRIEMPF J T. The penetration of thin metal plates by combined CW and pulsed-laser radiation[J]. Journal of Applied Physics, 1979, 50(6):4391-4393. doi: 10.1063/1.326427 |
| [12] | LEHANE C, KWOK H S. Enhanced drilling using a dual-pulse Nd:YAG laser[J]. Applied Physics, 2001, A73(1):45-48. |
| [13] | WANG X D, MICHALOWSKI A, WALTER D, et al. Laser drilling of stainless steel with nanosecond double-pulse[J]. Optics & Laser Technology, 2009, 41(2):148-153. |
| [14] | HE Y J, WANG W, XU B Zh, et al. The experimental study on deep laser drilling by superposed pulsed lasers[J]. Laser Technology, 2017, 41(3):380-384(in Chinese). |
| [15] | von ALLMEN M. Laser drilling velocity in metals[J]. Journal of Applied Physics, 1976, 47(12):5460-5463. doi: 10.1063/1.322578 |
| [16] | BATANOV V A, BUNKIN F V, PROKHOROV A M, et al. Evaporation of metallic targets caused by intense optical radiation[J]. Journal of Experimental & Theoretical Physics, 1973, 36(2):311-322. |
| [17] | BASU S, DEBROY T. Liquid metal expulsion during laser irradiation[J]. Journal of Applied Physics, 1992, 72(8):3317-3322. doi: 10.1063/1.351452 |