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Proceedings Paper

Experiment study on laser damage characteristics of diamond-like carbon films
Author(s): Shenjiang Wu; Wei Shi; Junhong Su; Junqi Xu; Yingxue Xi
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Paper Abstract

Diamond-like carbon (DLC) films were deposited by the Unbalanced Magnetron Sputtering(UBMS) technique which was under the conditions of bias 80V, target current 110A, argon flow 200SCCM, excitation current 100A; experimental platform was built for Laser-induced damage threshold(LIDT). The DLC films was irradiated by the laser (Wavelength 1046nm, pulse width 10ns, laser energy from 0.75mJ/cm2-2.60J/cm2), we got the LIDT of the DLC films is 1J/cm2. The whole physical process from slight burning, spalling, crack splashing until the substance damage of the DLC films was observed by 1000 times magnification and interference microscope. Thermal stress is one of main factors that laser injures films.

Paper Details

Date Published: 18 February 2011
PDF: 4 pages
Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 799510 (18 February 2011); doi: 10.1117/12.888186
Show Author Affiliations
Shenjiang Wu, Xi'an Univ. of Technology (China)
Xi'an Technological Univ. (China)
Wei Shi, Xi'an Univ. of Technology (China)
Junhong Su, Xi'an Technological Univ. (China)
Junqi Xu, Xi'an Technological Univ. (China)
Yingxue Xi, Xi'an Technological Univ. (China)

Published in SPIE Proceedings Vol. 7995:
Seventh International Conference on Thin Film Physics and Applications
Junhao Chu; Zhanshan Wang, Editor(s)

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