Laser-driven luminescent ceramic-converted near-infrared Ⅱ light source for advanced imaging and detection techniques

Simin Gu; Huiwang Lian; Rongyi Kuang; Bibo Lou; Chonggeng Ma; Gaochao Liu; Jing Wang

doi:10.1038/s41377-025-01953-4

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Laser-driven luminescent ceramic-converted near-infrared Ⅱ light source for advanced imaging and detection techniques

Original Articles

- Laser-driven luminescent ceramic-converted near-infrared Ⅱ light source for advanced imaging and detection techniques
- Laser-driven luminescent ceramic-converted near-infrared Ⅱ light source for advanced imaging and detection techniques
- Light: Science & Applications 2025年14卷第10期页码：3301-3310
- Affiliations：
  
  1.Ministry of Education Key Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
  2.School of Optoelectronic Engineering & CQUPT-BUL Innovation Institute, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
  3.The State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, School of Materials Science and Technology, South China University of Technology, Guangzhou 510641, China
  4.Northeast Guangdong Key Laboratory of New Functional Materials, Guangdong Rare Earth Photofunctional Materials Engineering Technology Research Center, School of Chemistry and Environment, Jiaying University, Meizhou 514015, China
- Author bio：
  
  Chonggeng Ma (cgma.ustc@gmail.com)
  Jing Wang (ceswj@mail.sysu.edu.cn)
- Funds：
- DOI：10.1038/s41377-025-01953-4
  中图分类号：
- 收稿：2025-03-24，
  
  修回：2025-07-02，
  
  录用：2025-07-03，
  
  网络出版：2025-09-11，
  
  纸质出版：2025-10-31
- Accepted：
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Simin Gu, Huiwang Lian, Rongyi Kuang, 等. Laser-driven luminescent ceramic-converted near-infrared Ⅱ light source for advanced imaging and detection techniques[J]. Light: Science & Applications, 2025,14(10):3301-3310.

Gu, S. M. et al. Laser-driven luminescent ceramic-converted near-infrared Ⅱ light source for advanced imaging and detection techniques. Light: Science & Applications, 14, 3301-3310 (2025).
Simin Gu, Huiwang Lian, Rongyi Kuang, 等. Laser-driven luminescent ceramic-converted near-infrared Ⅱ light source for advanced imaging and detection techniques[J]. Light: Science & Applications, 2025,14(10):3301-3310. DOI： 10.1038/s41377-025-01953-4.

Gu, S. M. et al. Laser-driven luminescent ceramic-converted near-infrared Ⅱ light source for advanced imaging and detection techniques. Light: Science & Applications, 14, 3301-3310 (2025). DOI： 10.1038/s41377-025-01953-4.

摘要

Abstract

Laser-driven near-infrared Ⅱ (NIR-Ⅱ) light sources comprising luminescent ceramics represent a promising research frontier

yet their development remains constrained by the external quantum efficiency (EQE) and thermal stability bottleneck of current luminescent materials. Herein

we present a non-equivalent cation substitution strategy to fabricate high-efficiency translucent MgO: Ni

NIR-Ⅱ luminescent ceramics. The co-doping of Cr

induces structural distortion at Ni

-occupied octahedral sites

effectively breaking the parity-forbidden d-d transition constraint while enabling efficient energy transfer from Cr

to Ni

. These synergistic effects yield remarkable internal and external quantum efficiencies of 61.06% and 39.69%

respectively. The developed ceramic demonstrates exceptional thermal management capabilities with 31.28 W·m

−1

·K

−1

thermal conductivity and 92.11% emission retention at 478 K. When integrated into laser-driven NIR-Ⅱ light sources

the system achieves record-breaking performance of 214 mW output power under 21.43 W/mm

blue laser excitation. Practical demonstrations showcase superior non-destructive imaging capabilities with 5.29 lp/mm spatial resolution and 0.97 contrast ratio. This work establishes a new paradigm for developing high-performance NIR-Ⅱ light sources in advanced imaging and detection technologies.

关键词

Keywords

references

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