This study proposes a self-loop converter (SLC) based on liquid quantum dots (QDs) that is designed for laser lighting. QDs exhibit unique illumination and display advantages because of their high light conversion efficiency and color purity. However, the unavoidable heat generated during light conversion leads to thermal quenching and limits their application in high-power laser lighting. The proposed SLC reduces the temperature and temperature fluctuations in the excited heating and gas circulation areas. After excited by laser for 240 min, the radiation power only decreases from 529.65 mW to 464.13 mW, a decrease of 12.37%. But the radiation power of hermitic converter (HC) decreased from 520.52 mW to 361.35 mW, decreasing by 30.5% after excited by laser for the same time. The experimental results demonstrate that the proposed SLC is promising for laser headlights, aerospace, coal mining, and other fields.

本研究提出了一种基于液体量子点 (QD) 的自环转换器 (SLC)，专为激光照明而设计。量子点因其高光转换效率和色纯度而表现出独特的照明和显示优势。然而，在光转换过程中产生的不可避免的热量会导致热猝灭，并限制了它们在高功率激光照明中的应用。所提出的 SLC 降低了受激加热和气体循环区域的温度和温度波动。激光激发240 min后，辐射功率仅从529.65 mW下降到464.13 mW，下降12.37%。但是hermitic转换器(HC)的辐射功率从520.52 mW下降到361.35 mW，在激光激发的同时降低了30.5%。