Copyright © 2012 Xiangzhong Jin et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

1. J. Dowden, P. Kapadia, and N. Postacioglu, “Analysis of the laser-plasma interaction in laser keyhole welding,” Journal of Physics D, vol. 22, no. 6, pp. 741–749, 1989. View at Publisher · View at Google Scholar · View at Scopus
2. M. Beck, P. Berger, F. Dausinger, and H. Hugel, “Aspects of keyhole/melt interaction in high-speed laser welding,” in 8th International Symposium on Gas Flow and Chemical Lasers, vol. 1397 of Proceedings of SPIE, pp. 769–774, 1991. View at Scopus
3. M. Kern, Simulation der absorption polarisierter beim Laser-Tiefschweißen, Studienarbeit, Universität Stuttgart, Deutchland, 1992.
4. M. Mueller, Simulation der reflektierten Laserstrahlung zur uslegung einer Prozeßkontrolle fuer das Laserschweißen Diplomarbeit, University at Stuttgart, Deutchland, 1996.
5. A. Kaplan, “A model of deep penetration laser welding based on calculation of the keyhole profile,” Journal of Physics D, vol. 27, pp. 1805–1814, 1994.
6. P. Solana and G. Negro, “A study of the effect of multiple reflections on the shape of the keyhole in the laser processing of materials,” Journal of Physics D, vol. 30, no. 23, pp. 3216–3222, 1997. View at Publisher · View at Google Scholar · View at Scopus
7. R. Fabbro and K. Chouf, “Keyhole description in deep-penetration laser welding,” in High-Power Lasers in Manufacturing, vol. 3888 of Proceedings of SPIE, pp. 104–112, 2000. View at Scopus
8. V. V. Semak, J. A. Hopkins, M. H. McCay, and T. D. McCay, “Melt pool dynamics during laser welding,” Journal of Physics D, vol. 28, no. 12, pp. 2443–2450, 1995. View at Publisher · View at Google Scholar · View at Scopus
9. S. Katayama, N. Seto, J. D. Kim, and A. Matsunawa, “Formation mechanism and reduction method of porosity in laser welding of stainless steel,” in Proceedings of the Laser Materials Processing Conference (ICALEO '97), Section G, pp. 83–92, San Diego, Calif, USA, November 1997. View at Scopus
10. S. Fujinaga, H. Takenaka, T. Narikiyo, S. Katayama, and A. Matsunawa, “Direct observation of keyhole behaviour during pulse modulated high-power Nd:YAG laser irradiation,” Journal of Physics D, vol. 33, no. 5, pp. 492–497, 2000. View at Publisher · View at Google Scholar · View at Scopus
11. X. Jin, L. Li, and Y. Zhang, “A study on fresnel absorption and reflections in the keyhole in deep penetration laser welding,” Journal of Physics D, vol. 35, no. 18, pp. 2304–2310, 2002. View at Publisher · View at Google Scholar · View at Scopus
12. Y. Arata, H. Maruo, I. Miyamoto, and S. Takeuchi, “Dynamic behavior of laser welding and cutting,” in Proceedings of the 7th International Conference on Electron and Ion Beam Science and Technology, pp. 111–128, San Francisco, Calif, USA, 1976.
13. X. Jin, P. Berger, and T. Graf, “Multiple reflections and Fresnel absorption in an actual 3D keyhole during deep penetration laser welding,” Journal of Physics D, vol. 39, no. 21, pp. 4703–4712, 2006. View at Publisher · View at Google Scholar · View at Scopus
14. X. Jin, “A three-dimensional model of multiple reflections for high-speed deep penetration laser welding based on an actual keyhole,” Optics and Lasers in Engineering, vol. 46, no. 1, pp. 83–93, 2008. View at Publisher · View at Google Scholar · View at Scopus
15. C. Yuanyong, J. S. L. Xiangzhong, and Z. Licheng, “Fresnel absorption and inverse bremsstrahlung absorption in an actual 3D keyhole during deep penetration CO₂ laser welding,” Optics & Laser Technology, vol. 44, pp. 1426–1436, 2012.
16. H. Guo, Y. Zhang, and J. Zhang, “The experimental study of the reflection characteristics of Gaussian beam,” Journal of Yanan University, vol. 14, no. 2, pp. 33–41, 1995.