한국전기전자재료학회:학술대회논문집 (Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference)

한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
권호 표지

ZnS/$Na_3AlF_6$/ZnS 박막의 Cu 반사층을 이용한 광 특성

The optical properties of ZnS/$Na_3AlF_6$/ZnS multi-layered thin film with Co reflection layer

  • 김준식 (충북대학교 신소재공학과) ;
  • 장건익 (충북대학교 신소재공학과)
  • Kim, Jun-Sik (Department of Materials Engineering, Chungbuk National University) ;
  • Jang, Gun-Ik (Department of Materials Engineering, Chungbuk National University)
  • 발행 : 2008.11.06
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초록

Multi layered thin films with ZnS/$Na_3AlF_6$/ZnS were deposited on glass substrate by thermal evaporator precess and simulated by using EMP(Essential Macleod Program). EMP is a comprehensive software package to design and analyse the optical characteristics of multi-layered thin film. ZnS and $Na_3AlF_6$ were selected as a high refractive index and low refractive index material respectively. Additionally Cu was chosen as mid reflective material. Optical properties including color effect were systematically studied. in terms of different optical thickness of low refractive index material. The optical thickness of $Na_3AlF_6$ was changed as 0.25, 0.5, 0.75 and $1.0\lambda$. The film with 0.25, 0.5, 0.75 and $1.0\lambda$. of optical thickness showed mixed color range between bluish green and red purple, yellowish green and bluish green, purple and mixed color range of green and purple respectively.

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