A 127-element adaptive optical system has been developed and integrated into a 1.8-m astronomical telescope in September 2009. In addition, the first light on a high-resolution imaging for stars has been achieved (September 23, 2009). In this letter, a 127-element adaptive optical system for 1.8-m telescope is described briefly. Moreover, star observation results in the first run are reported. Results show that the angular resolution of the system after adaptive optics correction can attain 0.1 arcsec, which approaches the diffraction limit of 1.8-m telescope at 700-900 nm band.
1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China 2.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China 3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Wei, Kai,Zhang, Xuejun,Xian, Hao,et al. First light on the 127-element adaptive optical system for 1.8-m telescope[J]. CHINESE OPTICS LETTERS,2010,8(11):1019-1021.