Spatial chaos aspects of laser-material interaction

Lim, See Yem and Chatwin, Chris R (1994) Spatial chaos aspects of laser-material interaction. Optics and Lasers in Engineering, 20 (5). pp. 341-356. ISSN 0143-8166

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In the past decade the understanding of stability and chaotic behaviour of nonlinear systems has made significant progress. Such systems include: structure of turbulence, oscillations in mechanical structures, multistable biological systems, etc. Laser machining is now an established industrial production method for: prototyping, small batch manufacture, cutting refractory materials and specialist applications such as micromachining. Within narrowly bounded limits, many models exist that can be used to predict the necessary machining control parameters such as cutting rate, power, pulse repetition frequency, etc. However, in an unconstrained machining process, chaotic phenomena can be observed to occur. The objective of this paper is to prove the existence of chaos, for the laser-material interaction, which can be described by Poincaré-Birkhoff-Smale horseshoes. Furthermore, to exploit the phase portrait of the process to predict the optimal laser machining control parameters. © 1994.

Item Type: Article
Additional Information: cited By (since 1996)1
Keywords: Laser applications; Machining; Mathematical models; Nonlinear optics; Optimal control systems; Process control; Stability, Laser machining; Laser material interaction; Multistable biological system, Chaos theory
Schools and Departments: School of Engineering and Informatics > Engineering and Design
Subjects: T Technology
Depositing User: Chris Chatwin
Date Deposited: 23 May 2013 13:45
Last Modified: 23 May 2013 13:45
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