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Proceedings Paper

The absorptivity of low-carbon steel under Nd:YAG CW laser loading
Author(s): GuiBing Wang; ChunYan Wang; YongQiang Zhang; Xin Xiong; XiaoSong Tang
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Paper Abstract

Two integrating sphere system using the substitution method have been built to measure the reflectivity of 30CrMnSiA irradiated by Nd:YAG continuous wave laser with a wavelength of 1064nm.It can prevent the fluctuation of laser output energy. The back surface temperature was recorded using NiCr-NiAl thermocouples. Surface oxide film composition and thickness were studied by XPS and XRD. A one-dimensional heat conduction model implementing a parabolic oxide growth law was developed to obtain the temperature-dependent reflectivity. The computational and experimental results are well accordant with each other.

Paper Details

Date Published: 21 April 2009
PDF: 6 pages
Proc. SPIE 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 71311N (21 April 2009); doi: 10.1117/12.816999
Show Author Affiliations
GuiBing Wang, Institute of Fluid Physics (China)
ChunYan Wang, Institute of Fluid Physics (China)
YongQiang Zhang, Institute of Fluid Physics (China)
Xin Xiong, Institute of Fluid Physics (China)
XiaoSong Tang, Institute of Fluid Physics (China)

Published in SPIE Proceedings Vol. 7131:
XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Rui Vilar; Olinda Conde; Marta Fajardo; Luís O. Silva; Margarida Pires; Andrei Utkin, Editor(s)

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