CCD消干涉及平场系统

A Device for the Elimination of Interfernce Fringes and the Correctiong to Flat Fields on the Coude CCD Spectragraph System

本文给出了云南天文台CCD——Coude光谱仪系统的消干涉条纹及平场光源系统——光源,光路原理,机械装置。文中简要地介绍了CCD探测器用于大色散光谱观测中干涉条纹产生的原因,为什么需要平场,消除干涉条纹和平场的原理。

The paper reports on a device for the elimination of the interfernce fringes and the correction to the flat fields on the Coude-CCD spectragraph system at the Yunnan Observatory,which includes the optical layout,the light sourse and the mechanical installation of this system.The reasons and methods of the optical interfernce effects caused by the CCD,when used to obtain a high dispersion spectrum,and the correction to the flat fields are also introduced.