| 基于LED的光栅光调制器照明系统的优化设计与实现 |
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| 引用本文： | 史玲娜. 基于LED的光栅光调制器照明系统的优化设计与实现[J]. 上海电力学院学报, 2010, 0(8) |
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| 作者姓名： | 史玲娜 |
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| 作者单位： | 重庆交通大学理学院;重庆大学光电工程学院; |
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| 基金项目： | 国家自然科学基金资助项目(60976084); 重庆市自然科学基金资助项目(CSTC,2009BB3352) |
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| 摘 要： | 设计了一种基于LED照明的光栅光调制器(GLM)照明系统,以自由曲面TIR透镜、光棒、聚光透镜组为主要光学元件来提高LED光能利用率,并实现光场均匀化。通过仿真得出,照明系统的光能利用率为78.7%,光照均匀性为85%,实验与设计结果基本一致。这表明,优化后的光栅光调制器的照明系统,解决了基于LED的照明系统光照不均匀和光能利用率低的问题。
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| 关 键 词： | 应用光学 LED照明 光栅光调制器 均匀照明 聚光 |
Optimal design and realization of lighting system for grating light modulator based on LEDs |
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| SHI Ling-na. Optimal design and realization of lighting system for grating light modulator based on LEDs[J]. Journal of Shanghai University of Electric Power, 2010, 0(8) |
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| Authors: | SHI Ling-na |
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| Affiliation: | College of Science,Chongqing Jiaotong University,Chongqing 400074,China,Department of Engineering,Chongqing University,Chongqing 400030, |
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| Abstract: | A lighting system for grating light modulator based on LED light source is designed.The system is composed of free form surface TIR lens,light pipe and condensing lens,which are used as primary elements to improve the utility rate of luminous energy of LED and realize optical uniformity.The simulation results show that the utility rate of luminous energy is 78.7%,and the optical uniformity is 85%,which are consistent with the experimental results.It shows that the optimized lighting system for the grating l... |
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| Keywords: | applied optics LED lighting grating light modulator uniform lighting optical focusing |
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