Multi-band transmission color filters for multi-color white LEDs based visible light communication

被引:4
|
作者
Wang, Qixia [1 ]
Zhu, Zhendong [1 ,2 ]
Gu, Huarong [1 ]
Chen, Mengzhu [1 ]
Tan, Qiaofeng [1 ]
机构
[1] Tsinghua Univ, Dept Precis Instrument, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China
[2] Natl Inst Metrol, Beijing 100018, Peoples R China
基金
中国国家自然科学基金;
关键词
Diffraction gratings; Wavelength filtering devices; Visible light communication; RESONANCE;
D O I
10.1016/j.optcom.2017.07.065
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Light-emitting diodes (LEDs) based visible light communication (VLC) can provide license-free bands, high data rates, and high security levels, which is a promising technique that will be extensively applied in future. Multi-band transmission color filters with enough peak transmittance and suitable bandwidth play a pivotal role for boosting signal-noise-ratio in VLC systems. In this paper, multi-band transmission color filters with bandwidth of dozens nanometers are designed by a simple analytical method. Experiment results of one-dimensional (1D) and two-dimensional (2D) tri-band color filters demonstrate the effectiveness of the multi-band transmission color filters and the corresponding analytical method. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码:330 / 334
页数:5
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