关于在真空紫外区域具有最高反射率的MgF₂ 包覆铝镜的进一步研究。
Further studies on MgF(2)-overcoated aluminum mirrors with highest reflectance in the vacuum ultraviolet.
作者信息
Canfield L R, Hass G, Waylonis J E
机构信息
U.S. Army Engineer Research and Development Laboratories, Ft. Belvoir, Virginia, USA.
出版信息
Appl Opt. 1966 Jan 1;5(1):45-9. doi: 10.1364/AO.5.000045.
MgF(2)-overcoated aluminum films with high-vacuum ultraviolet reflectance have been the subject of further investigations of the preparation parameters affecting their reflectance, and of the effect of aging and exposure to conditions likely to be encountered in their applications. Techniques for monitoring the thickness of MgF(2) by reflectance measurements with ultraviolet light and by complete evaporation of weighed quantities of MgF(2) are described. It is shown that MgF(2)-protected aluminum mirrors retain their high-vacuum ultraviolet reflectance during extended exposure to air, ultraviolet irradiation, and bombardment with 1-MeV electrons and 5-MeV protons, and that such mirrors can be easily cleaned if contaminated with oil.
具有高真空紫外反射率的MgF₂包覆铝膜一直是进一步研究影响其反射率的制备参数以及老化和暴露于其应用中可能遇到的条件的影响的主题。描述了通过用紫外光进行反射率测量以及通过完全蒸发称量的MgF₂来监测MgF₂厚度的技术。结果表明，MgF₂保护的铝镜在长时间暴露于空气、紫外线照射以及用1兆电子伏电子和5兆电子伏质子轰击期间保持其高真空紫外反射率，并且如果被油污染，这种镜子可以很容易地清洗。
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