AI Article Synopsis
- Laser-excited remote phosphor (LERP) systems represent advanced solid-state lighting technology, facing challenges with phosphor thermal stability.
- A new simulation strategy combines optical and thermal effects, utilizing Python to connect with Zemax OpticStudio for optical analysis and ANSYS Mechanical for thermal analysis.
- The steady-state opto-thermal model was validated through experiments with Ce:YAG single-crystals, showing that simulated peak temperatures closely match experimental results for different surface types and configurations.
Article Abstract
Laser-excited remote phosphor (LERP) systems are the next step in solid-state lighting technology. However, the thermal stability of phosphors has long been a major concern in the reliable operation of these systems. As a result, a simulation strategy is presented here that couples the optical and thermal effects, while the phosphor properties are modeled to temperature. A simulation framework is developed in which the optical and thermal models are defined in Python using appropriate interfaces to commercial software: the ray tracing software Zemax OpticStudio for the optical analysis and the finite element method (FEM) software ANSYS Mechanical for the thermal analysis. Specifically, the steady-state opto-thermal analysis model is introduced and experimentally validated in this study based on Ce:YAG single-crystals with polished and ground surfaces. The reported experimental and simulated peak temperatures are in good agreement for both the polished/ground phosphors in the transmissive and reflective setups. A simulation study is included to demonstrate the simulation's capabilities for optimizing LERP systems.
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Article Synopsis
- Laser-excited remote phosphor (LERP) systems represent advanced solid-state lighting technology, facing challenges with phosphor thermal stability.
- A new simulation strategy combines optical and thermal effects, utilizing Python to connect with Zemax OpticStudio for optical analysis and ANSYS Mechanical for thermal analysis.
- The steady-state opto-thermal model was validated through experiments with Ce:YAG single-crystals, showing that simulated peak temperatures closely match experimental results for different surface types and configurations.
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