Quantum dot-enabled infrared hyperspectral imaging with single-pixel detection

Heyan Meng; Yuan Gao; Xuhong Wang; Xianye Li; Lili Wang; Xian Zhao; Baoqing Sun

doi:10.1038/s41377-024-01476-4

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Quantum dot-enabled infrared hyperspectral imaging with single-pixel detection

Original Articles

- Quantum dot-enabled infrared hyperspectral imaging with single-pixel detection
- Light: Science & Applications Vol. 13, Issue 6, Pages: 1112-1121(2024)
- Affiliations：
  
  1.School of Information Sciences and Engineering, Shandong University, Qingdao, China
  2.Center for Optics Research and Engineering (CORE), Key Laboratory of Laser & Infrared System (Shandong University), Ministry of Education, Shandong University, Qingdao, China
  3.School of Mechanical, Electrical and Information Engineering, Shandong University, Weihai, China
- Author bio：
  
  Yuan Gao (yuan.gao@sdu.edu.cn)
  Baoqing Sun (baoqing.sun@sdu.edu.cn)
- Funds：
- DOI：10.1038/s41377-024-01476-4
  CLC：
- Received：20 February 2024，
  
  Revised：2024-04-19，
  
  Accepted：11 May 2024，
  
  Published Online：28 May 2024，
  
  Published：30 June 2024
- Accepted：
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Meng, H. Y. et al. Quantum dot-enabled infrared hyperspectral imaging with single-pixel detection. Light: Science & Applications, 13, 1112-1121 (2024).
DOI：

Meng, H. Y. et al. Quantum dot-enabled infrared hyperspectral imaging with single-pixel detection. Light: Science & Applications, 13, 1112-1121 (2024). DOI： 10.1038/s41377-024-01476-4.

摘要

Abstract

Near-infrared (NIR) hyperspectral imaging is a powerful technique that enables the capture of three-dimensional (3D) spectra-spatial information within the NIR spectral range

offering a wide array of applications. However

the high cost associated with InGaAs focal plane array (FPA) has impeded the widespread adoption of NIR hyperspectral imaging. Addressing this challenge

in this study

we adopt an alternative approach—single-pixel detection for NIR hyperspectral imaging. Our investigation reveals that single-pixel detection outperforms conventional FPA

delivering a superior signal-to-noise ratio (SNR) for both spectral and imaging reconstruction. To implement this strategy

we leverage self-assembled colloidal quantum dots (CQDs) and a digital micromirror device (DMD) for NIR spectral and spatial information multiplexing

complemented by single-pixel detection for simultaneous spectral and image reconstruction. Our experimental results demonstrate successful NIR hyperspectral imaging with a detection window about 600 nm and an average spectral resolution of 8.6 nm with a pixel resolution of 128 × 128. The resulting spectral and spatial data align well with reference instruments

which validates the effectiveness of our approach. By circumventing the need for expensive and bulky FPA and wavelength selection components

our solution shows promise in advancing affordable and accessible NIR hyperspectral imaging technologies

thereby expanding the range of potential applications.

关键词

Keywords

references

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