Abstract
This article has been retracted at the request of the Editors-in-Chief and Author. Please see Elsevier Policy on Article Withdrawal ( http://www.elsevier.com/locate/withdrawalpolicy ). Reason: The author has plagiarized most of a paper that had already appeared in Opt. Laser Technol. , 40 (2008) 113–119, doi: 10.1016/j.optlastec.2007.03.005 . One of the conditions of submission of a paper for publication is that authors declare explicitly that their work is original and has not appeared in a publication elsewhere. Re-use of any data should be appropriately cited. As such this article represents a severe abuse of the scientific publishing system. The scientific community takes a very strong view on this matter and we apologize to readers of the journal that this was not detected during the submission process.
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