首页> 外文会议>International Conference on Optics and Photonics 2015 >Two-channel imaging system for the White light Active Region Monitor (WARM) telescope at Kodaikanal Observatory: design, development, and first images
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Two-channel imaging system for the White light Active Region Monitor (WARM) telescope at Kodaikanal Observatory: design, development, and first images

机译:Kodaikanal天文台的白光有源区域监视器(WARM)望远镜的两通道成像系统:设计,开发和第一张图像

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One of the three planned back-end systems for the proposed National Large Solar Telescope (NLST) is the Solar Dynamics Imaging System (SDIS) which is intended to obtain near simultaneous images in multiple wavelengths. As a first step, a prototype system with two channel imaging has been developed and installed at the back-end of the White light Active Region Monitor (WARM) telescope at Kodaikanal Observatory. A two-mirror Coelostat serves as a light feeding system to a refracting objective while an optical breadboard serves as a platform for the back-end instruments. A re-imaging system is used before the prime focus to get two light channels for the observations in two wavelengths. The re-imaging system is designed using ZEMAX and the alignment of the system is done using a laser. Full disk images are obtained using a red filter (674.2nm/10nm) and a G-band filter (430.5nm/0.84nm). Design aspects of the re-imaging system, preliminary observations and image reduction methods are described in this paper.
机译:拟议的国家大型太阳望远镜(NLST)计划的三个后端系统之一是太阳动力学成像系统(SDIS),该系统旨在获取近乎同时的多种波长的图像。第一步,开发了具有两个通道成像的原型系统,并将其安装在Kodaikanal天文台的白光有源区域监视器(WARM)望远镜的后端。两面镜腔镜用作折射物镜的光馈送系统,而光学面包板则用作后端仪器的平台。在主焦点之前使用重新成像系统,以获取用于观察两个波长的两个光通道。使用ZEMAX设计重新成像系统,并使用激光对系统进行对准。使用红色滤镜(674.2nm / 10nm)和G波段滤镜(430.5nm / 0.84nm)获得全盘图像。本文介绍了重新成像系统的设计方面,初步观察和图像缩小方法。

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