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Tunable light emission and similarities with garnet structure of Ce-doped LSCAS glass for white-light devices

Andrade, L.H.C. ; Lima, S.M. ; Baesso, M.L. ; Novatski, A. ; Rohling, J.H. ; Guyot, Y. ; Boulon, G.

Journal of alloys and compounds, 2012-01, Vol.510 (1), p.54-59 [Periódico revisado por pares]

Kidlington: Elsevier B.V

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Título:
Tunable light emission and similarities with garnet structure of Ce-doped LSCAS glass for white-light devices
Autor: Andrade, L.H.C. ; Lima, S.M. ; Baesso, M.L. ; Novatski, A. ; Rohling, J.H. ; Guyot, Y. ; Boulon, G.
Assuntos: Alloys ; Amorphous materials ; Applied sciences ; Ce-doped LSCAS glass ; Color temperature ; Devices ; Electronics ; Emission spectroscopy ; Exact sciences and technology ; Fundamental areas of phenomenology (including applications) ; Glass ; Light emission ; Materials ; Optical materials ; Optical paths ; Optical properties ; Optics ; Phosphors ; Physics ; Smart white-light
É parte de: Journal of alloys and compounds, 2012-01, Vol.510 (1), p.54-59
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: ► Ce 3+-doped LSCAS glass exhibits broad, simultaneously blue and yellow emissions under UV excitation. ► In this phosphor is possible to continuously tune the emission, covering the entire visible spectrum. ► The ability to change the color temperature in accordance to the occasion is a feature of this glass system. In this paper, we report results concerning tunable light emission and color temperature in cerium-doped low-silica-calcium-alumino-silicate (LSCAS) glass for smart white-light devices. Spectroscopic results, analyzed using the CIE 1931 x– y chromatic diagram, show that this glass presents two broad emission bands centered at 475 and 540 nm, whose intensities can be tuned by the excitation wavelength. Moreover, the same emission can be achieved from a color temperature range from 3200 to 10,000 K, with a color-rendering index (CRI) of around 75% obtained by changing the optical path length of the sample. Our new phosphor LSCAS glass, which is a unique system that exhibits tunable yellow emission, combines all qualities for white-light devices.
Editor: Kidlington: Elsevier B.V
Idioma: Inglês

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Tunable light emission and similarities with garnet structure of Ce-doped LSCAS glass for white-light devices

Andrade, L.H.C. ; Lima, S.M. ; Baesso, M.L. ; Novatski, A. ; Rohling, J.H. ; Guyot, Y. ; Boulon, G.

Kidlington: Elsevier B.V

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