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空间光学的发展对光学系统的轻量化提出越来越高的要求,空间光学系统中光学元件的轻量化问题已被人们所重视。超薄反射镜具有重量轻的优点,但它极易受各种力学、热力学等环境的影响,因而其面形易发生变化。因此可利用该特点对它的面形进行调节,使其达到面形精度要求,使缺点化为优点．合理利用该技术将使其发展为主流光学的实现策略之一；本文介绍了主动调节刚性支撑薄膜型反射镜系统的发展背景、组成原理以及系统的关键技术。
The development of space optics has put forward higher and higher requirements for the light weight of optical systems. The light weight of optical elements in space optics has been paid attention to. Ultrathin mirror has the advantages of light weight, but it is highly susceptible to various mechanical, thermodynamic and other environmental effects, so its shape is easy to change. Therefore, it can be used to adjust the shape of its features, so as to achieve the accuracy of surface shape, so that the disadvantages of the advantages. Rational use of this technology will enable it to develop into one of the mainstream optical implementation strategies. In this paper, the development background, the principle of composition and the key technologies of the rigid support thin film mirror system are introduced.