Efficiency of Laser-Excited Phosphor in Multilayer Dual Reflector for Automotive Lighting
Year: 2025
Type: article
Abstract: 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.
Authors: Miroslav Slouka, Martin Kutáč, Marek Glanc, Marcel Štofik, Stanislav Hejduk, Jan Látal, Petr Šiška
Language: English
Subfield: Materials Chemistry
Field: Materials Science
Domain: Physical Sciences
Open Access status: hybrid
Estimated APC paid: $2,645
Award: G4016306214
OpenAlex ID: W4415124014