Self-suspended rare-earth doped up-conversion luminescent waveguide: propagating and directional radiation

Near-infrared excited rare-earth (RE)-doped up-conversion (UC)-luminescent materials have attracted enormous attention because of their unique emission properties, such as narrow emission bands, long luminescence lifetimes, and multiple colors. However, current development of RE-doped luminescent ma...

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Autores principales:	Zhang Changjian, Zhang Chengyun, Zhang Zhenglong, He Tao, Mi Xiaohu, Kong Ting, Fu Zhengkun, Zheng Hairong, Xu Hongxing
Formato:	article
Lenguaje:	EN
Publicado:	Institue of Optics and Electronics, Chinese Academy of Sciences 2020
Materias:	rare-earth-doped microcrystal up-conversion self-suspended fourier imaging Optics. Light QC350-467
Acceso en línea:	https://doaj.org/article/6f34ec0832944beb9939c0c53fdeee69
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id	oai:doaj.org-article:6f34ec0832944beb9939c0c53fdeee69
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spelling	oai:doaj.org-article:6f34ec0832944beb9939c0c53fdeee692021-11-10T10:12:34ZSelf-suspended rare-earth doped up-conversion luminescent waveguide: propagating and directional radiation2096-457910.29026/oea.2020.190045https://doaj.org/article/6f34ec0832944beb9939c0c53fdeee692020-06-01T00:00:00Zhttp://www.oejournal.org/article/doi/10.29026/oea.2020.190045https://doaj.org/toc/2096-4579Near-infrared excited rare-earth (RE)-doped up-conversion (UC)-luminescent materials have attracted enormous attention because of their unique emission properties, such as narrow emission bands, long luminescence lifetimes, and multiple colors. However, current development of RE-doped luminescent material is hindered by weak and narrowband absorption problems and low photon-conversion quantum efficiencies. In addition to conventional approaches to enhance fluorescence intensity, controlling emission directivity to improve detection efficiency has become a promising approach to obtain higher luminescence brightnesses. In this paper, a self-suspended RE-doped UC luminescent waveguide is designed to realize directional emissions. Benefitting from the special morphology of the crown-like NaYF4:Yb3+/Er3+ microparticle, the points contact between the waveguide and substrate can be obtained to decrease energy loss. An attractive UC luminescent pattern accompanied by powerful and controllable directional emissions is observed, and the spatial emission angle and intensity distribution are explored and analyzed in detail by introducing Fourier imaging detection and simulation. This work provides a new method for achieving controllable directional fluorescence emissions and obtaining improved detection efficiency by narrowing emission directivity, which has potential applications in 3-dimensional displays and micro-optoelectronic devices, especially when fabricating self-fluorescence micron lasers.Zhang ChangjianZhang ChengyunZhang ZhenglongHe TaoMi XiaohuKong TingFu ZhengkunZheng HairongXu HongxingInstitue of Optics and Electronics, Chinese Academy of Sciencesarticlerare-earth-doped microcrystalup-conversionself-suspendedfourier imagingOptics. LightQC350-467ENOpto-Electronic Advances, Vol 3, Iss 6, Pp 1-7 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	rare-earth-doped microcrystal up-conversion self-suspended fourier imaging Optics. Light QC350-467
spellingShingle	rare-earth-doped microcrystal up-conversion self-suspended fourier imaging Optics. Light QC350-467 Zhang Changjian Zhang Chengyun Zhang Zhenglong He Tao Mi Xiaohu Kong Ting Fu Zhengkun Zheng Hairong Xu Hongxing Self-suspended rare-earth doped up-conversion luminescent waveguide: propagating and directional radiation
description	Near-infrared excited rare-earth (RE)-doped up-conversion (UC)-luminescent materials have attracted enormous attention because of their unique emission properties, such as narrow emission bands, long luminescence lifetimes, and multiple colors. However, current development of RE-doped luminescent material is hindered by weak and narrowband absorption problems and low photon-conversion quantum efficiencies. In addition to conventional approaches to enhance fluorescence intensity, controlling emission directivity to improve detection efficiency has become a promising approach to obtain higher luminescence brightnesses. In this paper, a self-suspended RE-doped UC luminescent waveguide is designed to realize directional emissions. Benefitting from the special morphology of the crown-like NaYF4:Yb3+/Er3+ microparticle, the points contact between the waveguide and substrate can be obtained to decrease energy loss. An attractive UC luminescent pattern accompanied by powerful and controllable directional emissions is observed, and the spatial emission angle and intensity distribution are explored and analyzed in detail by introducing Fourier imaging detection and simulation. This work provides a new method for achieving controllable directional fluorescence emissions and obtaining improved detection efficiency by narrowing emission directivity, which has potential applications in 3-dimensional displays and micro-optoelectronic devices, especially when fabricating self-fluorescence micron lasers.
format	article
author	Zhang Changjian Zhang Chengyun Zhang Zhenglong He Tao Mi Xiaohu Kong Ting Fu Zhengkun Zheng Hairong Xu Hongxing
author_facet	Zhang Changjian Zhang Chengyun Zhang Zhenglong He Tao Mi Xiaohu Kong Ting Fu Zhengkun Zheng Hairong Xu Hongxing
author_sort	Zhang Changjian
title	Self-suspended rare-earth doped up-conversion luminescent waveguide: propagating and directional radiation
title_short	Self-suspended rare-earth doped up-conversion luminescent waveguide: propagating and directional radiation
title_full	Self-suspended rare-earth doped up-conversion luminescent waveguide: propagating and directional radiation
title_fullStr	Self-suspended rare-earth doped up-conversion luminescent waveguide: propagating and directional radiation
title_full_unstemmed	Self-suspended rare-earth doped up-conversion luminescent waveguide: propagating and directional radiation
title_sort	self-suspended rare-earth doped up-conversion luminescent waveguide: propagating and directional radiation
publisher	Institue of Optics and Electronics, Chinese Academy of Sciences
publishDate	2020
url	https://doaj.org/article/6f34ec0832944beb9939c0c53fdeee69
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_version_	1718440108619726848

Self-suspended rare-earth doped up-conversion luminescent waveguide: propagating and directional radiation

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