15 August 1998 Flexible focus variable expander
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A flexible focus variable beam expander system with adaptive optics is designed. In this system the adaptive mirror's focus is adjusted by regulating the pressure of mirror's cooling water. The change of mirror's curvature and focus is calculated with elasticity mechanics and the conception of wavefront aberration is cited to study the difference between ideal curvature and realistic one. The results of experiments is corresponding to the theoretical data.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiaoyuan Lu, Xiaoyuan Lu, Yaoning Zhang, Yaoning Zhang, ZuHai Cheng, ZuHai Cheng, } "Flexible focus variable expander", Proc. SPIE 3550, Laser Processing of Materials and Industrial Applications II, (15 August 1998); doi: 10.1117/12.317918; https://doi.org/10.1117/12.317918


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