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17 July 2008 Progress on the 127-element adaptive optical system for 1.8m telescope
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Abstract
The 127-element adaptive optical system for the 1.8m astronomical telescope is being developed. In this system, the wavefront correction loop consists of a 127-element deformable mirror, a Hartmann-Shack (H-S) wavefront sensor, and a high-speed digital wavefront processor. The tracking system consists of a tip-tilt mirror, a tracking sensor and a tracking processor. The wavelength for the H-S wavefront sensor ranges from 400-700nm. The imaging observation wavelengths range from 700-1000nm and 1000-1700nm respectively. In this paper, the optical configuration of 1.8m telescope will be briefly introduced. The 127-element adaptive optical system is described in detailed. Furthermore, the preliminary performances and test results on the 127-element adaptive optical system is reported.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Changhui Rao, Wenhan Jiang, Yudong Zhang, Ning Ling, Xuejun Zhang, Hao Xian, Kai Wei, Zhou Liao, Luchun Zhou, Chunlin Guan, Mei Li, Donghong Chen, Ang Zhang, Wenli Ma, and Xiaodong Gao "Progress on the 127-element adaptive optical system for 1.8m telescope", Proc. SPIE 7015, Adaptive Optics Systems, 70155Y (17 July 2008); https://doi.org/10.1117/12.787503
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