Tricolor R/G/B Laser Diode Based Eye-Safe White Lighting Communication Beyond 8 Gbit/s

Abstract White light generation by mixing red, green, and blue laser diodes (RGB LDs) was demonstrated with Commission International de l’Eclairage coordinates of (0.2928, 0.2981), a correlated color temperature of 8382 K, and a color rendering index of 54.4 to provide a maximal illuminance of 7540...

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Autores principales:	Tsai-Chen Wu, Yu-Chieh Chi, Huai-Yung Wang, Cheng-Ting Tsai, Yu-Fang Huang, Gong-Ru Lin
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/01b2c02901ab49e1aa839236abb6084d
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id	oai:doaj.org-article:01b2c02901ab49e1aa839236abb6084d
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spelling	oai:doaj.org-article:01b2c02901ab49e1aa839236abb6084d2021-12-02T16:07:44ZTricolor R/G/B Laser Diode Based Eye-Safe White Lighting Communication Beyond 8 Gbit/s10.1038/s41598-017-00052-82045-2322https://doaj.org/article/01b2c02901ab49e1aa839236abb6084d2017-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00052-8https://doaj.org/toc/2045-2322Abstract White light generation by mixing red, green, and blue laser diodes (RGB LDs) was demonstrated with Commission International de l’Eclairage coordinates of (0.2928, 0.2981), a correlated color temperature of 8382 K, and a color rendering index of 54.4 to provide a maximal illuminance of 7540 lux. All the white lights generated using RGB LDs were set within the risk group-1 criterion to avoid the blue-light hazard to human eyes. In addition, the RGB-LD mixed white light was diffused using a frosted glass to avoid optical aberration and to improve the performance of the lighting source. In addition, visible light communication (VLC) by using RGB-LD mixed white-light carriers and a point-to-point scheme over 1 m was performed in the directly modulated 16-QAM OFDM data format. In back-to-back transmission, the maximal allowable data rate at 10.8, 10.4, and 8 Gbps was determined for R, G, and B LDs, respectively. Moreover, the RGB-LD mixed white light-based indoor wavelength-division multiplexing (WDM)-VLC system yielded a total allowable transmission data rate of 8.8 Gbps over 0.5 m in free space. Such a high-speed RGB-LD mixed WDM-VLC system without any channel interference can be used to simultaneously provide data transmission and white lighting in an indoor environment.Tsai-Chen WuYu-Chieh ChiHuai-Yung WangCheng-Ting TsaiYu-Fang HuangGong-Ru LinNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Tsai-Chen Wu Yu-Chieh Chi Huai-Yung Wang Cheng-Ting Tsai Yu-Fang Huang Gong-Ru Lin Tricolor R/G/B Laser Diode Based Eye-Safe White Lighting Communication Beyond 8 Gbit/s
description	Abstract White light generation by mixing red, green, and blue laser diodes (RGB LDs) was demonstrated with Commission International de l’Eclairage coordinates of (0.2928, 0.2981), a correlated color temperature of 8382 K, and a color rendering index of 54.4 to provide a maximal illuminance of 7540 lux. All the white lights generated using RGB LDs were set within the risk group-1 criterion to avoid the blue-light hazard to human eyes. In addition, the RGB-LD mixed white light was diffused using a frosted glass to avoid optical aberration and to improve the performance of the lighting source. In addition, visible light communication (VLC) by using RGB-LD mixed white-light carriers and a point-to-point scheme over 1 m was performed in the directly modulated 16-QAM OFDM data format. In back-to-back transmission, the maximal allowable data rate at 10.8, 10.4, and 8 Gbps was determined for R, G, and B LDs, respectively. Moreover, the RGB-LD mixed white light-based indoor wavelength-division multiplexing (WDM)-VLC system yielded a total allowable transmission data rate of 8.8 Gbps over 0.5 m in free space. Such a high-speed RGB-LD mixed WDM-VLC system without any channel interference can be used to simultaneously provide data transmission and white lighting in an indoor environment.
format	article
author	Tsai-Chen Wu Yu-Chieh Chi Huai-Yung Wang Cheng-Ting Tsai Yu-Fang Huang Gong-Ru Lin
author_facet	Tsai-Chen Wu Yu-Chieh Chi Huai-Yung Wang Cheng-Ting Tsai Yu-Fang Huang Gong-Ru Lin
author_sort	Tsai-Chen Wu
title	Tricolor R/G/B Laser Diode Based Eye-Safe White Lighting Communication Beyond 8 Gbit/s
title_short	Tricolor R/G/B Laser Diode Based Eye-Safe White Lighting Communication Beyond 8 Gbit/s
title_full	Tricolor R/G/B Laser Diode Based Eye-Safe White Lighting Communication Beyond 8 Gbit/s
title_fullStr	Tricolor R/G/B Laser Diode Based Eye-Safe White Lighting Communication Beyond 8 Gbit/s
title_full_unstemmed	Tricolor R/G/B Laser Diode Based Eye-Safe White Lighting Communication Beyond 8 Gbit/s
title_sort	tricolor r/g/b laser diode based eye-safe white lighting communication beyond 8 gbit/s
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/01b2c02901ab49e1aa839236abb6084d
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Tricolor R/G/B Laser Diode Based Eye-Safe White Lighting Communication Beyond 8 Gbit/s

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