Low Etendue Yellow-Green Solid-State Light Generation by Laser-pumped LuAG: Ce Ceramic

Kang Li; Yun Shi; Fuqiang Jia; Chris Price; Yongkang Gong; Jungang Huang; Nigel Copner; Hui Cao; Lingzhen Yang; Shuo Chen; Haohong Chen; Chang Jiang Li

doi:10.1109/LPT.2018.2813520

Low Etendue Yellow-Green Solid-State Light Generation by Laser-pumped LuAG: Ce Ceramic

Kang Li, Yun Shi, Fuqiang Jia, Chris Price, Yongkang Gong, Jungang Huang, Nigel Copner, Hui Cao, Lingzhen Yang, Shuo Chen, Haohong Chen, Chang Jiang Li

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Abstract

A low Etendue (6.1 mm2) yellow-green solid-state light source with optical conversion efficiency up to 101.3 lumen/Watt is demonstrated by through high power laser diode pumping of a static LuAG:Ce transparent ceramic plate. A 443 nm blue laser diode array with a full-width-half-maximum (FWHM) of <1.5 nm and maximum output power of 15.2 W is used to attain a high spectral absorption efficiency. The output from the high power laser diode array is collimated, shaped, despeckled and focused to display a Gaussian-like profile with a 1.5 mm beam waist (1/e2 radius) to stimulate a 1.2 mm thick LuAG:Ce transparent ceramic plate with an emission FWHM spectra at 505-585 nm. No thermal quenching, pump absorption saturation and obvious luminous flux decrease is found during test.

Original language	English
Pages (from-to)	939-942
Journal	IEEE Photonics Technology Letters
Volume	30
Issue number	10
DOIs	https://doi.org/10.1109/LPT.2018.2813520
Publication status	Published - 15 May 2018

Keywords

Ceramics
diode laser
Laser beams
Laser excitation
Light sources
Measurement by laser beam
Mirrors
optical pumping
phosphor ceramic
Phosphors
photoluminescence

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10.1109/LPT.2018.2813520Licence: CC BY-NC-ND

PTL-34216-2018-FinalAccepted author manuscript, 4.62 MBLicence: CC BY-NC-ND

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@article{797a7bc37b384a28bc351debfc116247,

title = "Low Etendue Yellow-Green Solid-State Light Generation by Laser-pumped LuAG: Ce Ceramic",

abstract = "A low Etendue (6.1 mm2) yellow-green solid-state light source with optical conversion efficiency up to 101.3 lumen/Watt is demonstrated by through high power laser diode pumping of a static LuAG:Ce transparent ceramic plate. A 443 nm blue laser diode array with a full-width-half-maximum (FWHM) of <1.5 nm and maximum output power of 15.2 W is used to attain a high spectral absorption efficiency. The output from the high power laser diode array is collimated, shaped, despeckled and focused to display a Gaussian-like profile with a 1.5 mm beam waist (1/e2 radius) to stimulate a 1.2 mm thick LuAG:Ce transparent ceramic plate with an emission FWHM spectra at 505-585 nm. No thermal quenching, pump absorption saturation and obvious luminous flux decrease is found during test.",

keywords = "Ceramics, diode laser, Laser beams, Laser excitation, Light sources, Measurement by laser beam, Mirrors, optical pumping, phosphor ceramic, Phosphors, photoluminescence",

author = "Kang Li and Yun Shi and Fuqiang Jia and Chris Price and Yongkang Gong and Jungang Huang and Nigel Copner and Hui Cao and Lingzhen Yang and Shuo Chen and Haohong Chen and Li, {Chang Jiang}",

year = "2018",

month = may,

day = "15",

doi = "10.1109/LPT.2018.2813520",

language = "English",

volume = "30",

pages = "939--942",

journal = "IEEE Photonics Technology Letters",

issn = "1041-1135",

publisher = "Institute of Electrical and Electronics Engineers",

number = "10",

}

TY - JOUR

T1 - Low Etendue Yellow-Green Solid-State Light Generation by Laser-pumped LuAG

T2 - Ce Ceramic

AU - Li, Kang

AU - Shi, Yun

AU - Jia, Fuqiang

AU - Price, Chris

AU - Gong, Yongkang

AU - Huang, Jungang

AU - Copner, Nigel

AU - Cao, Hui

AU - Yang, Lingzhen

AU - Chen, Shuo

AU - Chen, Haohong

AU - Li, Chang Jiang

PY - 2018/5/15

Y1 - 2018/5/15

N2 - A low Etendue (6.1 mm2) yellow-green solid-state light source with optical conversion efficiency up to 101.3 lumen/Watt is demonstrated by through high power laser diode pumping of a static LuAG:Ce transparent ceramic plate. A 443 nm blue laser diode array with a full-width-half-maximum (FWHM) of <1.5 nm and maximum output power of 15.2 W is used to attain a high spectral absorption efficiency. The output from the high power laser diode array is collimated, shaped, despeckled and focused to display a Gaussian-like profile with a 1.5 mm beam waist (1/e2 radius) to stimulate a 1.2 mm thick LuAG:Ce transparent ceramic plate with an emission FWHM spectra at 505-585 nm. No thermal quenching, pump absorption saturation and obvious luminous flux decrease is found during test.

AB - A low Etendue (6.1 mm2) yellow-green solid-state light source with optical conversion efficiency up to 101.3 lumen/Watt is demonstrated by through high power laser diode pumping of a static LuAG:Ce transparent ceramic plate. A 443 nm blue laser diode array with a full-width-half-maximum (FWHM) of <1.5 nm and maximum output power of 15.2 W is used to attain a high spectral absorption efficiency. The output from the high power laser diode array is collimated, shaped, despeckled and focused to display a Gaussian-like profile with a 1.5 mm beam waist (1/e2 radius) to stimulate a 1.2 mm thick LuAG:Ce transparent ceramic plate with an emission FWHM spectra at 505-585 nm. No thermal quenching, pump absorption saturation and obvious luminous flux decrease is found during test.

KW - Ceramics

KW - diode laser

KW - Laser beams

KW - Laser excitation

KW - Light sources

KW - Measurement by laser beam

KW - Mirrors

KW - optical pumping

KW - phosphor ceramic

KW - Phosphors

KW - photoluminescence

U2 - 10.1109/LPT.2018.2813520

DO - 10.1109/LPT.2018.2813520

M3 - Article

AN - SCOPUS:85043470172

SN - 1041-1135

VL - 30

SP - 939

EP - 942

JO - IEEE Photonics Technology Letters

JF - IEEE Photonics Technology Letters

IS - 10

ER -

Low Etendue Yellow-Green Solid-State Light Generation by Laser-pumped LuAG: Ce Ceramic

Abstract

Keywords

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