NIAOT OpenIR  > 中国科学院南京天文光学技术研究所  > 会议论文
Metallic Mirror Experiment with 1.6 m Coating Machine
Wang jinfeng; Qiao liaoyun; Li xinnan; Cui xiangqun
2008-07-14
Source PublicationAdvanced Optical and Mechanical Technologies in Telescopes and Instrumentation
Volume7018
Issue7018
PagesVol.7018 51-1-8
Conference Date2008-6-23
Conference PlaceMarseille, France
Funding OrganizationThe International Society for Optical Engineering
PublisherSPIE
Abstract
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.
KeywordCoating Reflectivity Uniformity Copper-based Silver Intensified Mirror
Subject Area天文技术与方法
Document Type会议论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/556
Collection中国科学院南京天文光学技术研究所_会议论文
大口径光学技术研究室_会议论文
Recommended Citation
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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