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开发了地平坐标系-光敏定位混合式太阳跟踪及聚焦平台,在此基础上完成大直径PMMA塑料光纤聚焦能流6m距离传输试验,进行了连续9h的检测记录,获得光纤输出光功率谱密度分布数据,其色温相对自然光低约600K,色度坐标、显示指数、主波长等与自然光接近,实验发现室外照度与光纤输出光色温存在线性关联,并进行函数拟合,针对光纤传输光损进行定量测量与计算,结果揭示光纤端面存在2dB幅度的耦合损失。
Developed a horizontal coordinate system-photo-positioning hybrid solar tracking and focusing platform. Based on this, a 6m distance transmission test of large-diameter PMMA plastic optical fiber focused power flow was completed and a continuous 9h recording and recording was carried out to obtain optical power spectral density distribution of the optical fiber Data, the color temperature is about 600K lower than the natural light, the chromaticity coordinates, display index and dominant wavelength are close to natural light. The experimental results show that there is a linear correlation between the outdoor illumination and the color temperature of the optical fiber output, and function fitting, Measurement and calculation, the results revealed that the fiber end face 2dB coupling loss.