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14 November 2007 New design of optical focusing system from an axicon combination for laser micro-processing machine
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Proceedings Volume 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 67222B (2007) https://doi.org/10.1117/12.783136
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China
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.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hongbing Yao, Yongkang Zhang, Xia Ye, and Jinzhong Lu "New design of optical focusing system from an axicon combination for laser micro-processing machine", Proc. SPIE 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 67222B (14 November 2007); https://doi.org/10.1117/12.783136
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