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Metallic Mirror Experiment with 1.6 m Coating Machine
Wang jinfeng; Qiao liaoyun; Li xinnan; Cui xiangqun
2008-07-14
会议录名称Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation
卷号7018
期号7018
页码Vol.7018 51-1-8
会议日期2008-6-23
会议地点Marseille, France
会议主办者The International Society for Optical Engineering
出版者SPIE
摘要
We have produced a series of reflective mirrors using the newly installed 1.6m evaporation chamber at the Nanjing Institute of Astronomical Optics and Technology (NIAOT) of the National Astronomical Observatories of China. The main task of  this equipment is to coat the mirrors of the LAMOST. The chamber have thermal evaporation system, electron beam source, ion beam source, quartz crystal deposition controller and optical monitoring system, so can evaporate all kinds of metal and oxide film and effectively control film thickness. Now, we have utilized this chamber to aluminize the mirrors of LAMOST primary mirror, the average reflectivity is above 89% in the wavelength range from 370nm to 900nm. Recently, we have completed the enhanced silver reflector experiment, by controlling the dielectric layers optical thickness, the reflectivity is increased from 370nm to 400nm. The average reflectivity of enhanced silver reflector is above 97% in the wavelength range from 370nm to 900nm.
关键词Coating Reflectivity Uniformity Copper-based Silver Intensified Mirror
学科领域天文技术与方法
文献类型会议论文
条目标识符http://ir.niaot.ac.cn/handle/114a32/556
专题会议论文
推荐引用方式
GB/T 7714
Wang jinfeng,Qiao liaoyun,Li xinnan,et al. Metallic Mirror Experiment with 1.6 m Coating Machine[C]:SPIE,2008:Vol.7018 51-1-8.
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