Paper Title:
Influence of Beam Polarizations on Evaporative Laser Cutting Nonmetallic Materials within High Absorptance
  Abstract

The three dimensional (3D) coupling model is set up for analyzing the energy reflection and absorption on the kerf using ray tracing method after the laser beam cutting nonmetallic materials with high absorptance through multiple reflections. The laser beam characterized by focused gauss beam and fresnel absorption on the kerf are taken into account. The influences of the polarization on the absorbed intensity both in the front and the two walls are also discussed. Results indicate the differences of absorptive intensity among the three polarized lights are relatively small compared to metal. Thus, the polarization has little effects on the kerf of nonmetallic materials with high absorptance. The experimental results also agree well with the theoretical analysis.

  Info
Periodical
Materials Science Forum (Volumes 626-627)
Edited by
Dongming Guo, Jun Wang, Zhenyuan Jia, Renke Kang, Hang Gao, and Xuyue Wang
Pages
363-368
DOI
10.4028/www.scientific.net/MSF.626-627.363
Citation
X. Z. Xie, J.G. Lu, X. Wei, W. Hu, "Influence of Beam Polarizations on Evaporative Laser Cutting Nonmetallic Materials within High Absorptance", Materials Science Forum, Vols. 626-627, pp. 363-368, 2009
Online since
August 2009
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Price
$32.00
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