Efficiency of Laser-Excited Phosphor in Multilayer Dual Reflector for Automotive Lighting | Zendy

Miroslav Slouka | Zendy; Martin Kutac | Zendy; Marek Glanc | Zendy; Marcel Stofik | Zendy; Stanislav Hejduk | Zendy; Jan Latal | Zendy; Petr Siska | Zendy

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Efficiency of Laser-Excited Phosphor in Multilayer Dual Reflector for Automotive Lighting

Author(s) -

Miroslav Slouka,

Martin Kutac,

Marek Glanc,

Marcel Stofik,

Stanislav Hejduk,

Jan Latal,

Petr Siska

Publication year - 2025

Publication title -

ieee photonics technology letters

Language(s) - English

Resource type - Magazines

SCImago Journal Rank - 0.81

H-Index - 157

eISSN - 1941-0174

pISSN - 1041-1135

DOI - 10.1109/lpt.2025.3620664

Subject(s) - engineered materials, dielectrics and plasmas , photonics and electrooptics

This paper presents an insight and comprehensive efficiency analysis of an advanced automotive front-lighting system based on laser-excited phosphor. The proposed solution employs a high-power blue laser diode fiber-coupled to a phosphor plate. When combined with a dielectric multilayer reflector design, the auxiliary high-beam module achieves a peak luminous intensity of 130,000 cd. Experimental measurements demonstrate a wall-plug efficiency of 6.6% and a luminous efficacy of 23 lm/W for the integrated headlamp system. This design extends the vehicle’s high-beam illumination range to 600 m, offering substantial improvements in visibility and safety.

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