Integrated modeling and realizing of the 2 × 2 array-optical assembly |
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Authors: | Yuchuan Yang Junwei Zhang Xiao Wang |
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Institution: | 1. Northwest Institute of Nuclear Technology, P.O. Box 21-189, Xi’an 710024, China;2. Research Center of Laser Fusion, CAEP, P.O. Box 919-988, Mianyang 621900, China |
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Abstract: | The development of array technique is a crucial issue for large-scale laser system, and the most important factor effecting optical performance of array system is exacting alignment tolerances, which are always requited to be less than 0.25 μrad and λ/13. An integrated model setup for far-field pattern distribution of a 2 × 2 array-optical system is described, which simulates the combining results under the influence of external vibration in PID control mode. In this model, the ANSYS and MATLAB/SIMULINK are included to respectively perform structure and control analysis. Based on the integrated model analysis, a 2 × 2 array-optical prototype is designed and fabricated, the simulation and experimental results show that the array-mirror assembly is capable of maintaining high-accuracy tiling stability. |
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Keywords: | Array-tiling system Structure analysis PID controller Far-field pattern |
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