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Chin. Phys. B, 2012, Vol. 21(4): 044201    DOI: 10.1088/1674-1056/21/4/044201

Cutting of nonmetallic materials using Nd:YAG laser beam

Bashir Ahmed Tahira), Rashid Ahmedb), M. G. B. Ashiqa), Afaq Ahmedc), and M. A. Saeeda)
a. Institute of Advanced Photonic Sciences, Faculty of Science, Universiti Teknologi Malaysia 81310 Skudai, Johor, Malaysia;
b. Physics Department, Faculty of Science, Universiti Teknologi Malaysia 81310 Skudai, Johor, Malaysia;
c. Centre for Solid State Physics, University of the Punjab, Lahore, Pakistan
Abstract  This study deals with Nd:YAG laser cutting nonmetallic materials, which is one of the most important and popular industrial applications of laser. The main theme is to evaluate the effects of Nd:YAG laser beam power besides work piece scanning speed. For approximate cutting depth, a theoretical study is conducted in terms of material property and cutting speed. Results show a nonlinear relation between the cutting depth and input energy. There is no significant effect of speed on cutting depth with the speed being larger than 30 mm/s. An extra energy is utilized in the deep cutting. It is inferred that as the laser power increases, cutting depth increases. The experimental outcomes are in good agreement with theoretical results. This analysis will provide a guideline for laser-based industry to select a suitable laser for cutting, scribing, trimming, engraving, and marking nonmetallic materials.
Keywords:  laser power      cutting speed      depth of cut      nonmetallic material      Nd:YAG laser  
Received:  17 August 2011      Revised:  17 August 2011      Accepted manuscript online: 
PACS:  42.15.Eq (Optical system design)  
  42.55.Lt (Gas lasers including excimer and metal-vapor lasers)  
  42.62.Cf (Industrial applications)  
Fund: Project supported by the Science Foundation of the Ministry of Science and Technology Malaysia and the Islamic Development Bank Jeddah.
Corresponding Authors:  M. A. Saeed,     E-mail:

Cite this article: 

Bashir Ahmed Tahir, Rashid Ahmed, M. G. B. Ashiq, Afaq Ahmed, and M. A. Saeed Cutting of nonmetallic materials using Nd:YAG laser beam 2012 Chin. Phys. B 21 044201

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