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Chin. Opt. Lett.
 Home  List of Issues    Issue 12 , Vol. 15 , 2017    10.3788/COL201715.123101

Fabrication of multi-wavelength visible and infrared filter for solar atmosphere tomographic imaging
Mingdong Kong1;2, Chun Guo1, Bincheng Li1;3, Wenyan He1;2, and Ming Wei1
1 [Institute of Optics and Electronics], Chinese Academy of Sciences, Chengdu 61 0209, China
2 [University of Chinese Academy of Sciences], Beijing 100039, China
3 School of Optoelectronic Information, [University of Electronic Science and Technology of China], Chengdu 610054, China

Chin. Opt. Lett., 2017, 15(12): pp.123101

Topic:Thin films
Keywords(OCIS Code): 310.0310  310.1860  310.6805  

To simultaneously obtain high-resolution multi-wavelength (from visible to near infrared) tomographic images of the solar atmosphere, a high-performance multi-wavelength optical filter has to be used in solar imaging telescopes. In this Letter, the fabrication of the multi-wavelength filter for solar tomographic imaging is described in detail. For this filter, Ta2O5 and SiO2 are used as high- and low-index materials, respectively, and the multilayer structure is optimized by commercial Optilayer software at a 7.5° angle of incidence. Experimentally, this multi-wavelength optical filter is prepared by a plasma ion-assisted deposition technique with optimized deposition parameters. High transmittance at 393.3, 396.8, 430.5, 525, 532.4, 656.8, 705.8, 854.2, 1083, and 1565.3 nm, as well as high reflectance at 500 and 589 nm are achieved. Excellent environmental durability, demonstrated via temperature and humidity tests, is also established.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Posted online:2017/11/16

Get Citation: Mingdong Kong, Chun Guo, Bincheng Li, Wenyan He, and Ming Wei, "Fabrication of multi-wavelength visible and infrared filter for solar atmosphere tomographic imaging," Chin. Opt. Lett. 15(12), 123101(2017)

Note: This work was partially supported by the West Light Foundation of the Chinese Academy of Sciences.


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