Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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The Optical Properties of MgF2/Cr/MgF2, MgF2/Cu/MgF2, MgF2/Al/MgF2 Multi-Layered Thin Films

MgF2/Cr/MgF2, MgF2/Cu/MgF2, MgF2/Al/MgF2 다층박막의 광학적 특성

  • Jang, Kang-Jae (Department of Advanced Material Engineering, Chungbuk National University) ;
  • Jang, Gun-Eik (Department of Advanced Material Engineering, Chungbuk National University)
  • Published : 2007.10.31
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Abstract

$MgF_2$/Cr/$MgF_2$, $MgF_2$/Cu/$MgF_2$ and $MgF_2$/Al/$MgF_2$ multi-layered thin films were fabricated by evaporation system. $MgF_2$ and Cr(Cu, And Al) was selected as a low refractive index material and mid reflector layer, respectively. Optical properties including color effect were systematically studied in terms of different film layer by using spectrophotometer. Experimental results were compared to the simulation result. The films consistings of $MgF_2$/Cr/$MgF_2$, $MgF_2$/Cu/$MgF_2$, $MgF_2$/Al/$MgF_2$ multi-layered thin films showed wavelength range of $430{\sim}780nm$, typically color range between greenish yellow and orange at view angle of $45^{\circ}$. It was confirmed that this experimental result was well matched with simulation result.

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References

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