Holographic Polymer Nanocomposites with High Refractive Index Modulation by Doping Liquid Crystal E6M

Meng-Yun Wang; Yue Zhang; Dan Wang; Ming Yao; Yi-Xuan Wang; Xing-Ping Zhou; Hai-Yan Peng; Xiao-Lin Xie

doi:10.1007/s10118-024-3110-z

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Holographic Polymer Nanocomposites with High Refractive Index Modulation by Doping Liquid Crystal E6M

RESEARCH ARTICLE | Updated：2024-06-26

- Holographic Polymer Nanocomposites with High Refractive Index Modulation by Doping Liquid Crystal E6M
- Chinese Journal of Polymer Science Vol. 42, Issue 7, Pages: 926-935(2024)
- Affiliations：
  
  a.Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
  b.State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China
  c.National Anti-counterfeit Engineering Research Center, Huazhong University of Science and Technology, Wuhan 430074, China
- Author bio：
  
  hypeng@hust.edu.cn
- Funds：
- DOI：10.1007/s10118-024-3110-z
  CLC：
- Received：04 January 2024，
  
  Revised：2024-02-01，
  
  Accepted：21 February 2024，
  
  Online First：10 April 2024，
  
  Published：01 July 2024
- Accepted：
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Wang, M. Y.; Zhang, Y.; Wang, D.; Yao, M.; Wang, Y. X.; Zhou, X. P.; Peng, H. Y.; Xie, X. L. Holographic polymer nanocomposites with high refractive index modulation by doping liquid crystal E6M. Chinese J. Polym. Sci. 2024, 42, 926–935

Meng-Yun Wang, Yue Zhang, Dan Wang, et al. Holographic Polymer Nanocomposites with High Refractive Index Modulation by Doping Liquid Crystal E6M[J]. Chinese Journal of Polymer Science, 2024, 42(7): 926-935.
Wang, M. Y.; Zhang, Y.; Wang, D.; Yao, M.; Wang, Y. X.; Zhou, X. P.; Peng, H. Y.; Xie, X. L. Holographic polymer nanocomposites with high refractive index modulation by doping liquid crystal E6M. Chinese J. Polym. Sci. 2024, 42, 926–935 DOI： 10.1007/s10118-024-3110-z.

Meng-Yun Wang, Yue Zhang, Dan Wang, et al. Holographic Polymer Nanocomposites with High Refractive Index Modulation by Doping Liquid Crystal E6M[J]. Chinese Journal of Polymer Science, 2024, 42(7): 926-935. DOI： 10.1007/s10118-024-3110-z.

摘要

For the field of augmented reality

it remains a formidable challenge to obtain a large field of view (FOV) and brightness due to the limited refractive index modulation of holographic optical elements. Herein

we report an effective method to tackle the challenge by doping an epoxy liquid crystal termed E6M into holographic polymer nanocomposites

which enables a large refractive index modulation of 0.050 @ 633 nm and a high diffraction efficiency of 96.2% for 5 μm-thick transmission gratings.

Abstract

Holographic optical elements (HOEs) based on polymer composites have become a research hot spot in recent years for augmented reality (AR) due to the significant improvement of optical performance

dynamic range

ease of processing and high yield rate. Nevertheless

it remains a formidable challenge to obtain a large field of view (FOV) and brightness due to the limited refractive index modulation. Herein

we report an effective method to tackle the challenge by doping an epoxy liquid crystal termed E6M

which enables a large refractive index modulation of 0.050 @ 633 nm and low haze of 5.0% at a doping concentration of 5 wt%. This achievement may be ascribed to the improved molecular ordering of liquid crystals within the holographic polymer composites. The high refractive index modulation can endow transmission-type holographic polymer composites with a high diffraction efficiency of 96.2% at a small thickness of 5 μm

which would promise the design of thin and lightweight AR devices.

关键词

Keywords

references

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