Quartz-enhanced laser spectroscopy sensing

Shunda Qiao; Xiaonan Liu; Ziting Lang; Ying He; Weidong Chen; Yufei Ma

doi:10.1038/s41377-025-02075-7

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Quartz-enhanced laser spectroscopy sensing

Reviews

- Quartz-enhanced laser spectroscopy sensing
- Quartz-enhanced laser spectroscopy sensing
- Light: Science & Applications 2026年15卷第1期页码：30-69
- Affiliations：
  
  1.National Key Laboratory of Laser Spatial Information, Harbin Institute of Technology, Harbin 150000, China
  2.Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou 450000, China
  3.Laboratoire de Physicochimie de l’Atmosphère, Université du Littoral Côte d’Opale, Dunkerque 59140, France
- Author bio：
  
  Yufei Ma (mayufei@hit.edu.cn)
- Funds：
- DOI：10.1038/s41377-025-02075-7
  中图分类号：
- 收稿：2025-05-14，
  
  修回：2025-08-26，
  
  录用：2025-09-28，
  
  网络出版：2026-01-01，
  
  纸质出版：2026-01-31
- Accepted：
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Shunda Qiao, Xiaonan Liu, Ziting Lang, 等. Quartz-enhanced laser spectroscopy sensing[J]. Light: Science & Applications, 2026,15(1):30-69.

Qiao, S. D. et al. Quartz-enhanced laser spectroscopy sensing. Light: Science & Applications, 15, 30-69 (2026).
Shunda Qiao, Xiaonan Liu, Ziting Lang, 等. Quartz-enhanced laser spectroscopy sensing[J]. Light: Science & Applications, 2026,15(1):30-69. DOI： 10.1038/s41377-025-02075-7.

Qiao, S. D. et al. Quartz-enhanced laser spectroscopy sensing. Light: Science & Applications, 15, 30-69 (2026). DOI： 10.1038/s41377-025-02075-7.

摘要

Abstract

Gas sensing technology is widely applied in various fields

including environmental monitoring

industrial process control

medical diagnostics

safety warnings

and more. As a detection element

the quartz tuning fork (QTF) offers advantages such as high-quality factor (Q-factor)

strong noise immunity

compact size

and low cost. Notably

its resonant characteristics significantly enhance system signal strength. Two spectroscopic techniques based on QTF detection

Quartz-enhanced photoacoustic spectroscopy (QEPAS) and light-induced thermoelastic spectroscopy (LITES)

are currently research hotspots in the field of spectral sensing. This paper provides a comprehensive and detailed review and highlights pivotal innovations in these two QTF-based spectroscopic techniques. For QEPAS

these encompass high-power excitation methods

novel excitation sources

advanced QTF detection elements

and acoustic wave amplification strategies. Regarding LITES

the researches on optical cavity-enhanced approaches

modified QTF improvement mechanisms

integration with heterodyne demodulation technique

and combination with QEPAS were analyzed. These advances have enabled quartz-enhanced laser spectroscopy to achieve detection limits ranging from parts-per-billion (ppb) to parts-per-trillion (ppt) levels for trace gases such

as methane (CH

)

acetylene (C

)

carbon monoxide (CO)

and so on. Additionally

prospects for future technological developments are also discussed in the concluding section.

关键词

Keywords

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