A wavefront sensing and correction correction is proposed that would allow the field of view (FOV) of an adaptive optics spstem to be increased in size by a factor of several tens. This concept is based on the idea of...A wavefront sensing and correction correction is proposed that would allow the field of view (FOV) of an adaptive optics spstem to be increased in size by a factor of several tens. This concept is based on the idea of placing multiple deformable mirrors (DMs) at locations that are conjugate to corresponding. layers of atmospheric turbulence. In order to control properly each DM, a tomographic method for determining the phase distortion contributed by each atmospheric layer has been developed and used in dealing with the circumstance of two layers.展开更多
Since the concept of adaptive optics(AO)was proposed in 1953,AO has becomean indispensable technology for large aperture ground-based optical telescopes aimedat high resolution observations.This paper provides a compr...Since the concept of adaptive optics(AO)was proposed in 1953,AO has becomean indispensable technology for large aperture ground-based optical telescopes aimedat high resolution observations.This paper provides a comprehensive review of AOprogress for large aperture astronomical optical telescopes including both night-timeand day-time solar optical telescopes.The recent AO technological advances,suchas Laser Guide Star,Deformable Secondary Mirror,Extreme AO,and Multi-ConjugateAO are focused.展开更多
文摘A wavefront sensing and correction correction is proposed that would allow the field of view (FOV) of an adaptive optics spstem to be increased in size by a factor of several tens. This concept is based on the idea of placing multiple deformable mirrors (DMs) at locations that are conjugate to corresponding. layers of atmospheric turbulence. In order to control properly each DM, a tomographic method for determining the phase distortion contributed by each atmospheric layer has been developed and used in dealing with the circumstance of two layers.
基金funded by the National Natural Science Foundation of China(11727805,11733005,12173041,12103057)Frontier Research Fund of Institute of Optics and Electronics,Chinese Academy of Sciences C21K002。
文摘Since the concept of adaptive optics(AO)was proposed in 1953,AO has becomean indispensable technology for large aperture ground-based optical telescopes aimedat high resolution observations.This paper provides a comprehensive review of AOprogress for large aperture astronomical optical telescopes including both night-timeand day-time solar optical telescopes.The recent AO technological advances,suchas Laser Guide Star,Deformable Secondary Mirror,Extreme AO,and Multi-ConjugateAO are focused.