Investigation on optical property of diffuser with 3D microstructures |
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| Institution: | 1. School of Opto-Electronic Information Science and Technology, Yantai University, Yantai 264005, China;2. School of Science, Minzu University of China, Bejiing 100081, China;3. Optical Physics Lab., Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;1. Gandhi Engineering College (GEC), Bhubaneswar, Odisha, India;2. Gandhi Institute For Technological Advancement (GITA), Bhubaneswar, Odisha, India;1. Department of Physics, Sichuan Normal University, Chengdu 610101, China;2. Department of Physics, Zhejiang University, Hangzhou 310027, China |
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| Abstract: | The light diffuser with 3D microstructure is one of the high efficient light diffusers used in LED lighting to realize secondary optical design. The aspect ratio (AR), filling coefficient (FC) and arrangement (A) of microstructure plays an important role in the optical property of light diffuser. The experiment results and simulation results obtained from Light Tools software of light diffuser with microsphere structure used in LED light shows that the optical property of diffuser with microsphere structure whose diameter is from 0.1 mm to 1.0 mm, arranged in hexagon is best with AR of 0.22 and the filling coefficient of 100%. |
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| Keywords: | Microstructure Aspect ratio Filling coefficient Scattering particle Diffuser |
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