Becker R A
California Institute of Technology,Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena,California 91103, USA.
Appl Opt. 1967 May 1;6(5):955-62. doi: 10.1364/AO.6.000955.
The successful flights of Mariners II and IV demonstrated that optical systems can survive and operate after months of exposure to interplanetary space. Special considerations must be taken in designing for deep space. The phenomena of sublimation and deterioration of solid materials in deep-space vacuum influence the selection of all materials used in the optical system including metals and organic compounds. Three basically different approaches of thermal design are available to the designer. Each method is capable of maintaining focus throughout large temperature excursions. Micrometeoroid and radiation damage are not major problems. The material selection for and thermal design of the Mariner IV television camera optical system is described.
水手二号和四号的成功飞行表明，光学系统在暴露于行星际空间数月后仍能存活并运行。在进行深空设计时必须进行特殊考虑。深空真空中固体材料的升华和劣化现象会影响光学系统中所使用的包括金属和有机化合物在内的所有材料的选择。设计者有三种基本不同的热设计方法可供选择。每种方法都能够在较大的温度变化范围内保持聚焦。微流星体和辐射损伤不是主要问题。本文描述了水手四号电视摄像机光学系统的材料选择和热设计。
