Deep ultraviolet hydrogel based on 2D cobalt-doped titanate

Youan Xu; Baofu Ding; Ziyang Huang; Lixin Dai; Peng Liu; Bing Li; Wei Cai; Hui-Ming Cheng; Bilu Liu

doi:10.1038/s41377-022-00991-6

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Deep ultraviolet hydrogel based on 2D cobalt-doped titanate

Original Articles

- Deep ultraviolet hydrogel based on 2D cobalt-doped titanate
- Deep ultraviolet hydrogel based on 2D cobalt-doped titanate
- 光：科学与应用 2023年12卷第1期页码：68-76
- Affiliations：
  
  1.Xi'an Research Institute of High Technology, Xi'an, 710025, China
  2.Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
  3.Institute of Technology for Carbon Neutrality/Faculty of Materials Science and Engineering, Shenzhen Institute of Advanced Technology, CAS, Shenzhen, 518055, China
  4.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, China
  5.School of Materials Science and Engineering, University of Science and Technology of China, Shenyang, 110016, China
- Author bio：
  
  Baofu Ding (bf.ding@siat.ac.cn)
  Wei Cai (caiwei_bu@163.com)
  Bilu Liu (bilu.liu@sz.tsinghua.edu.cn)
- Funds：
- DOI：10.1038/s41377-022-00991-6
  中图分类号：
- 纸质出版日期：2023-1-31，
  
  网络出版日期：2023-1-1，
  
  收稿日期：2022-9-13，
  
  修回日期：2022-9-18，
  
  录用日期：2022-9-20
Scan for full text
Deep ultraviolet hydrogel based on 2D cobalt-doped titanate[J]. 光：科学与应用, 2023,12(1):68-76.

Xu, Y. A. et al. Deep ultraviolet hydrogel based on 2D cobalt-doped titanate. Light: Science & Applications, 12, 68-76 (2023).
Deep ultraviolet hydrogel based on 2D cobalt-doped titanate[J]. 光：科学与应用, 2023,12(1):68-76. DOI： 10.1038/s41377-022-00991-6.

Xu, Y. A. et al. Deep ultraviolet hydrogel based on 2D cobalt-doped titanate. Light: Science & Applications, 12, 68-76 (2023). DOI： 10.1038/s41377-022-00991-6.

摘要

Abstract

Birefringent optical elements that work in deep ultraviolet (DUV) region become increasingly important these years. However

most of the DUV optical elements have fixed birefringence which is hard to be tuned. Here

we invent a birefringence-tunable optical hydrogel with mechano-birefringence effect in the DUV region

based on two-dimensional (2D) low-cobalt-doped titanate. This 2D oxide material has an optical anisotropy factor of 1.5 × 10

–11

−1

larger than maximum value obtained previously

leading to an extremely large specific magneto-optical Cotton-Mouton coefficient of 3.9 × 10

−2

−1

. The extremely large coefficient enables the fabrication of birefringent hydrogel in a small magnetic field with an ultra-low concentration of 2D oxide material. The hydrogel can stably and continuously modulate 303 nm DUV light with large phase tunability by varying the strain (compression or stretching) from 0 to 50%. Our work opens the door to design and fabricate new proof-of-concept DUV birefringence-tunable element

as demonstrated by optical hydrogels capable of DUV modulation by mechanical stimuli.

关键词

Keywords

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