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Proceedings Paper

New design of optical focusing system from an axicon combination for laser micro-processing machine
Author(s): Hongbing Yao; Yongkang Zhang; Xia Ye; Jinzhong Lu
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Paper Abstract

The focusing system is very important for laser processing, especially for laser micro-processing, whose characteristics influence directly the quality of laser processing. A new optical system from the potive axicon and spherical lens combination is proposed in this paper to generate the diffraction-free beam. Only one axicon is needed in this system to produce the variable diffraction-free beam spot of micro order by changing the ordinary cheap spherical lenses. If such an optical system is used as the focusing system for laser micro-processing, the sensitivity to the workpieces' position would be zero and the adaptability to the flatness of the workpieces' surface could be enhanced. Moreover, such a system could adapt well to the different processing criterion by changing the ordinary spherical lenses and would also have potential application in the measurement field.

Paper Details

Date Published: 14 November 2007
PDF: 5 pages
Proc. SPIE 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 67222B (14 November 2007); doi: 10.1117/12.783136
Show Author Affiliations
Hongbing Yao, Jiangsu Univ. (China)
Yongkang Zhang, Jiangsu Univ. (China)
Xia Ye, Jiangsu Univ. (China)
Jinzhong Lu, Jiangsu Univ. (China)


Published in SPIE Proceedings Vol. 6722:
3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies

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