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Enhancement of diffuse reflectance using air tunnel structure

Title
Enhancement of diffuse reflectance using air tunnel structure
Author(s)
Jang, JE[Jang, Jae Eun]Lee, GH[Lee, Gae Hwang]Song, BG[Song, Byoung Gwon]Cha, SN[Cha, Seung Nam]Jung, JE[Jung, Jae Eun]
DGIST Authors
Jang, JE[Jang, Jae Eun]
Issued Date
2013-02-01
Type
Article
Article Type
Article
Subject
Air Gap StructuresCritical AnglesDiffuse ReflectanceDiffuse ReflectionDiffuse ReflectorDiffusers (Optical)Display DevicesFabrication ProcessIncident AnglesLight RaysLight ReflectanceOptical ComponentsPolymer CoatingPolymer LayersPolymersReflectionReflective Display DevicesReflective IndexSubmicrometersTotal ReflectanceTunnel Structures
ISSN
0146-9592
Abstract
Submicrometer air gap structure has formed on diffuse reflection structure to improve light reflectance. Covering polymer or liquid on a diffuse reflector to make optical components induces the severe decrease of the total reflectance, since the diffuse reflected angle of some light rays is larger than the critical angle and the rays travel to the medium until meeting a proper small incident angle. The reflectance drops to 68% of the original value with just a polymer coating on the diffuse reflector. The formation of an air tunnel structure between the polymer layer and the diffuse reflector makes a symmetrical reflective index matching state and recovers 95% of the original reflectance. Due to the simple fabrication process and the chemical stability, the structure can be applied to various optical components and reflective display devices. © 2013 Optical Society of America.
URI
http://hdl.handle.net/20.500.11750/1611
DOI
10.1364/OL.38.000290
Publisher
OSA - The Optical Society
Related Researcher
  • 장재은 Jang, Jae Eun 전기전자컴퓨터공학과
  • Research Interests Nanoelectroinc device; 생체 신호 센싱 시스템 및 생체 모방 디바이스; 나노 통신 디바이스
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Appears in Collections:
Department of Electrical Engineering and Computer Science Advanced Electronic Devices Research Group(AEDRG) - Jang Lab. 1. Journal Articles

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