Fabrication of Holographic Diffuser with Large Scattering Angle Realized by Multi-Angle Speckle Exposure

Chaoxiong Yang; Haibo Jiang; Xiuhui Sun; Yi Liu; Zheng Yang; Qipeng Fang; Shaoyun Yin

doi:10.3788/AOS202141.1609001

Acta Optica Sinica, Volume. 41, Issue 16, 1609001(2021)

Fabrication of Holographic Diffuser with Large Scattering Angle Realized by Multi-Angle Speckle Exposure

Chaoxiong Yang^1,2, Haibo Jiang^1、**, Xiuhui Sun¹, Yi Liu³, Zheng Yang¹, Qipeng Fang^1,2, and Shaoyun Yin^1,2、*

Author Affiliations

¹Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China

²University of Chinese Academy of Sciences, Beijing 100049, China

³Chongqing BOE Optoelectronics Technology Co., LTD., Chongqing 400714, China

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Figures & Tables(5)

Fig. 1. Light scattering of random rough surface

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Fig. 2. Distribution curves of average scattering intensity of holographic diffuser with scattering angle

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Fig. 3. Fabrication and test of holographic diffuser based on multi-angle exposure. (a) Light path of fabricating diffuser; (b) photograph of holographic diffuser and SEM picture of microstructure; (c) scattering of red light and blue light irradiation

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Fig. 4. Comparison of test and theoretical results

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Table 1. Evaluation parameters of holographic diffuser
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Table 1. Evaluation parameters of holographic diffuser
Incident angle /(°) 25 20 10
FWHM /(°) 130 104 76
Diffusion factor /% 92 73 52
Light transmittance /% 92 92 92

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Chaoxiong Yang, Haibo Jiang, Xiuhui Sun, Yi Liu, Zheng Yang, Qipeng Fang, Shaoyun Yin. Fabrication of Holographic Diffuser with Large Scattering Angle Realized by Multi-Angle Speckle Exposure[J]. Acta Optica Sinica, 2021, 41(16): 1609001

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