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.
© 2010 Chinese Optics Letters
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(010.1285) Atmospheric and oceanic optics : Atmospheric correction
(220.1080) Optical design and fabrication : Active or adaptive optics
Kai Wei, Xuejun Zhang, Hao Xian, Wenli Ma, Ang Zhang, Luchun Zhou, Chunlin Guan, Mei Li, Donghong Chen, Shanqiu Chen, Zhou Liao, Changhui Rao, and Yudong Zhang, "First light on the 127-element adaptive optical system for 1.8-m telescope," Chin. Opt. Lett. 8, 1019-1021 (2010)