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10 March 2021 Design rules for laser pumped phosphor light engines with static ceramic luminescent converters
Volker Hagemann, Albrecht Seidl
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Proceedings Volume 11706, Light-Emitting Devices, Materials, and Applications XXV; 1170617 (2021) https://doi.org/10.1117/12.2578476
Event: SPIE OPTO, 2021, Online Only
Abstract
Laser pumped phosphor (LPP) light sources overcome the luminance limits of LEDs and enable luminance levels > 1000 cd/mm² with solid state lighting (SSL). While laser pumped phosphor wheels are already widely used in digital projectors, static luminescent converters accelerate the transition to LPP for other etendue limited lighting applications as well, as they enable compact and reliable light engines. We present performance data of static converters under different irradiance and cooling conditions. Supported by numerical simulation, we derive comprehensive design rules for the most efficient use of static ceramic converter assemblies with respect to typical requirement profiles of light engines.
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Volker Hagemann and Albrecht Seidl "Design rules for laser pumped phosphor light engines with static ceramic luminescent converters", Proc. SPIE 11706, Light-Emitting Devices, Materials, and Applications XXV, 1170617 (10 March 2021); https://doi.org/10.1117/12.2578476
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KEYWORDS
Ceramics
Laser development
Laser applications
Pulsed laser operation
Homogenization
Light sources
Light sources and illumination
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