可以设计和定制散射透镜、反光杯和导光柱,以达到有效的调色要求。
工作原理:周期性反射使得光数次折射导致良好的均匀性叠加。
额外的表面纹理引入到光学表面进行进一步的颜色混合
表面结构的常用技术是:
图2: 使用 RGBW 彩色 LED 光源和导光柱的舞台灯具的光分布受到微结构的球面半径的影响。
图3: 导光柱玻璃表面的微结构
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