Research of the optical structure for a handled laser-cleaner

Jia Liu; Xuefeng Wang; WenPeng Yu; JunLong Wang; ZheXi He

doi:10.1117/12.2073211

18 December 2014 Research of the optical structure for a handled laser-cleaner

Jia Liu, Xuefeng Wang, WenPeng Yu, JunLong Wang, ZheXi He

Proceedings Volume 9295, International Symposium on Optoelectronic Technology and Application 2014: Laser Materials Processing; and Micro/Nano Technologies; 92950X (2014) https://doi.org/10.1117/12.2073211
Event: International Symposium on Optoelectronic Technology and Application 2014, 2014, Beijing, China

Abstract

Aimed at solving the optical defects of the traditional handled laser-cleaners, such as inhomogeneous power distribution, large caliber, high cost of range-finder and complex control system, the feature of the laser beam is analyzed, the formula of the power average density distribution in the fiber laser-cleaner are discussed, and a new optical shaping method is presented in this paper. In order to regulate the infrared gauss laser beam and redistribute the high density power from the center to the edge, the system simulation utilized a ray tracing method which contains a Kepler telescope system made by two aspherical lenses. As a result, the laser power was compensated and homogenized; the lap joint ratio of laser patch was reduced; and the cleaning speed can be increased. Based on the features of the free-space optical system, the multi-layer optical design method was utilized. The traditional laser range-finder was replaced by the optical focusing design which could clearly point out the best working area, reduce a lot of optic-electronic elements, and simplify the structure of the cleaner’s output-end. On the other hand, this method would not cause any losses of the working laser power. Besides, a visible direction light was added into the invisible infrared working laser for safety.

Citation Download Citation

Jia Liu, Xuefeng Wang, WenPeng Yu, JunLong Wang, and ZheXi He "Research of the optical structure for a handled laser-cleaner", Proc. SPIE 9295, International Symposium on Optoelectronic Technology and Application 2014: Laser Materials Processing; and Micro/Nano Technologies, 92950X (18 December 2014); https://doi.org/10.1117/12.2073211

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KEYWORDS

Laser applications

Fiber lasers

Infrared lasers

Mirrors

Laser optics

Laser processing

Optical design

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