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Color Adjustment Study by Micro-Pattern Embedding in Optical Multilayer Thin Film

다층광학필름에서 마이크로패턴 삽입을 통한 색 조정 연구

Kim, Min;Woo, Ju Yeon;Yoon, Junho;Hwangbo, Chang Kwon;Han, Chang-Soo
김민;우주연;윤준호;황보창권;한창수

  • Received : 2015.12.21
  • Accepted : 2016.03.10
  • Published : 2016.05.01

Abstract

It is well known that Morpho butterflies show distinctive, brilliant and iridescent colors and have micro-nano scale structures, instead of dyes and pigments, on their wings. This structural coloration is regarded as a novel technique to express color with a long lifetime, ease and precise tenability. Here, we studied optical multilayer thin films with thickness of several tens of nm ($TiO_2$ and $SiO_2$) and lens-shape micro-patterns. Fabrication and characterization of the multilayer stacking structure and the micro-pattern structure were performed and the films were analyzed via several optical measuring techniques. Finally, we discussed how the micro-pattern structure could enhance independence with color changes according to the viewing angle.

Keywords

Micro-Pattern;Optical multilayer thin film;Color adjustment;Geometrical optics;Reflectance spectrum

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Acknowledgement

Supported by : 한국연구재단