Implementation of solar multi-conjugate adaptive optics system

自适应光学(AO)是一种实时校正因大气湍流而退化的图像的技术。在这项研究中，我们在日田天文台60厘米无穹顶太阳望远镜上设计了一套具有多种用途的太阳自适应光学系统。我们开发了一种多共轭声光(MCAO)系统，以扩大声光补偿的视野。为了设计MCAO系统，湍流层高度的信息是必要的。我们修改了SCIDAR技术，该技术是为使用双星进行夜间观测而开发的，以便将其应用于太阳观测，然后将其应用于太阳观测。使用改进后的技术，我们测量了日田天文台上空湍流层的高度。我们还开发了上层波前传感器，然后将MCAO系统应用于太阳观测。

Adaptive optics (AO) is a technique of correcting images degraded with terrestrial atmospheric turbulence in real time. In this study, we designed a solar adaptive optics system that is useful to several purposes at the 60cm domeless solar telescope of the Hida observatory. We developed a multi-conjugate AO (MCAO) system for widening the field-of-view within which compensation by AO is effective. To design the MCAO system, information on heights of turbulent layers is necessary. We modified a SCIDAR technique, which was developed for night-time observations using a binary star, so as to apply it to solar observations, and then applied it to solar observations. Using the modified technique, we measured the heights of turbulent layers over the Hida observatory. We also developed an upper-layer wavefront sensor and then applied a MCAO system to solar observations.