Our group aims to develop laser-based optical methods for trace gas sensing and gas-phase species characterization, also to innovate novel sensors for detecting of species of interest across the areas of environmental, biomedical, and energy-related research.

Research Areas

  • Laser Absorption Spectroscopy
  • Photothermal Spectroscopy
  • Dual-comb Spectroscopy
  • Photoacoustic Spectroscopy


1. 2011.07-2016.06, Ph.D. in Optical Engineering, Shandong University, Jinan, China
2. 2007.09-2011.06, B.E. in Electronic Science and Technology, Shandong University, Jinan, China


Work Experience

1. 2022.03current, Professor, State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Changchun, China.
2. 2019.11 – 2022.03, Associate Professor, State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Changchun, China
3. 2018.10 – 2019.10, Postdoctoral Fellow, Laser Spectroscopy Division, Max Planck Institute of Quantum Optics, Munich, Germany
4. 2016.082018.09, Postdoctoral Fellow, Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong SAR, China


25. H. Zhao, H. Zhang, M. Hu, M. Hu, Y. Zhou, J. Liang, and Q. Wang*, "A Fiber-Coupled Quartz-Enhanced Photoacoustic Sensor for Dissolved Gas Detection," Photonics 10, 127 (2023). >>link

24. J. Wu*, H. Zhang, M. Hu, Q. Wang*, Z. Wang, H. Wang, R. Chen, W. Ren*, X. Zhu, and Q. Liao, "On the measurement of local vapor concentration around sessile water droplet with high spatiotemporal resolution," International Journal of Multiphase Flow 161, 104397 (2023). >>link

23. M. Hu, H. Zhang, W. Wang, and Q. Wang*, "Micro-nano fiber-assisted active photoacoustic spectroscopy for gas sensing," Optics Express 31, 3278-3290 (2023). >>link

22. H. Zhang, Z. Wang, Q. Wang*, S. Borri, I. Galli, A. Sampaolo, P. Patimisco, V. L. Spagnolo, P. De Natale, and W. Ren, "Parts-per-billion-level detection of hydrogen sulfide based on doubly resonant photoacoustic spectroscopy with line-locking," Photoacoustics 29, 100436 (2023). >>linkCIOMP NewCAS News

21. M. Li, M. Hu, H. Zhang, J. Wang, T. Tang, M. Hu, and Q. Wang*, "All-Fiber Photoacoustic Gas Sensing with Interferometric Location," Photonics 9, 546 (2022). >>link

20. Z. Wang, Q. Wang*, H. Zhang, S. Borri, I. Galli, A. Sampaolo, P. Patimisco, V. L. Spagnolo, P. De Natale, and W. Ren*, "Doubly resonant sub-ppt photoacoustic gas detection with eight decades dynamic range," Photoacoustics 27, 100387 (2022). >>link中国光学CIOMP NewsCAS News

19. Z. Wang#, H. Zhang#, J. Wang, S. Jiang, S. Gao, Y. Wang, W. Jin, Q. Wang*, and W. Ren, "Photothermal multi-species detection in a hollow-core fiber with frequency-division multiplexing," Sensors and Actuators B: Chemical 369, 132333 (2022). >>link; CIOMP News; CAS News

18. Q. Wang*, Z. Wang*, H. Zhang, S. Jiang, Y. Wang, W. Jin, and W. Ren*, "Dual-comb photothermal spectroscopy," Nature Communications 13, 2181 (2022). >>link; CIOMP Banner News; CAS News; 应用光学国家重点实验室长春光机所SKLAO中国光学国家自然科学基金委Photonics Media吉林日报-彩练DeepTech深科技

17. M. Hu, M. Hu, W. Wang, and Q. Wang*, "Wavelength-scanned all-fiber cavity ring-down gas sensing using an L-band active fiber loop," Applied Physics B-Lasers and Optics, 128, 30 (2022). >>link

16.  W. Duan, F. Yan, Y. Wang, H. Zhang, L. Ma*, D. Wen, W. Wang, G. Sheng, and Q. Wang*, "A Laser-Based Multipass Absorption Sensor for Sub-ppm Detection of Methane, Acetylene and Ammonia," Sensors-Basel 22, 556 (2022). >>link

15. H. Zhang, W. Jin, M. Hu, M. Hu, J. Liang, and Q. Wang*, "Investigation and Optimization of a Line-Locked Quartz Enhanced Spectrophone for Rapid Carbon Dioxide Measurement," Sensors-Basel 21, 5225 (2021). >>link

14. J. Xia*, C. Feng, F. Zhu, S. Ye, S. Zhang, A. Kolomenskii*, Q. Wang*, J. Dong, Z. Wang, W. Jin, and H. A. Schuessler, "A sensitive methane sensor of a ppt detection level using a mid-infrared interband cascade laser and a long-path multipass cell," Sensors and Actuators B: Chemical 334, 129641 (2021). >>linkSKLAO

13. W. Jin, H. Zhang, M. Hu, M. Hu, Y. Wei, J. Liang, R. Kan, and Q. Wang*, "A Robust Optical Sensor for Remote Multi-Species Detection Combining Frequency-Division Multiplexing and Normalized Wavelength Modulation Spectroscopy," Sensors-Basel 21, 1073 (2021). >>linkMDPI

12. 王强, 许可, 姚晨雨, 王震, 常军, 任伟*, "功率增强型光声光谱气体传感技术的研究进展," 中国激光 45, 0911008-0911001 (2018). (特邀综述) >>link《中国激光》优秀论文; 光电汇OESHOW

11. Q. Wang, Z. Wang, W. Ren*, P. Patimisco, A. Sampaolo, and V. Spagnolo, "Fiber-ring laser intracavity QEPAS gas sensor using a 7.2 kHz quartz tuning fork," Sensors and Actuators B: Chemical, 268, 512-518 (2018). >>link

10. Q. Wang, Z. Wang, and W. Ren*, "Theoretical and experimental investigation of fiber-ring laser intracavity photoacoustic spectroscopy (FLI-PAS) for acetylene detection," Journal of Lightwave Technology, 35, 4519-4525 (2017). >>link

9. Q. Wang, Z. Wang, and W. Ren*, "Wavelength-stabilization-based photoacoustic spectroscopy for methane detection," Measurement Science and Technology, 28, 065102 (2017). >>link

8. Q. Wang, Z. Wang, J. Chang, and W. Ren*, "Fiber-ring laser-based intracavity photoacoustic spectroscopy for trace gas sensing," Optics Letters, 42, 2114-2117 (2017). >>link

7. Q. Wang, J. Chang*, F. P. Wang, and W. Wei, "Recovery of pure wavelength modulation second harmonic signal waveforms in distributed feedback diode laser-based photoacoustic spectroscopy," Sensor Actuat A-Phys 245, 54-62 (2016). >>link

6. Q. Wang, J. Chang*, W. Wei, C. G. Zhu, and C. B. Tian, "Dual-beam wavelength modulation spectroscopy for sensitive detection of water vapor," Appl Phys B-Lasers O 117, 1015-1023 (2014). >>link

5. Q. Wang, J. Chang*, Z. L. Wang, C. B. Tian, S. Jiang, and G. P. Lv, "Study of an optical fiber water vapor sensor based on a DFB diode laser: combined wavelength scanning and intensity modulation," J Mod Optic 61, 1538-1544 (2014). >>link

4. Q. Wang, J. Chang*, D. L. Kong, Y. N. Liu, F. P. Wang, C. G. Zhu, W. Wei, and X. Z. Liu, "Optical Measurement of Water Vapor Concentration and Gas Pressure," IEEE Sens J 14, 563-569 (2014). >>link

3. Q. Wang, J. Chang*, C. G. Zhu, Y. N. Liu, G. P. Lv, F. P. Wang, X. Z. Liu, and Z. L. Wang, "High-sensitive measurement of water vapor: shot-noise level performance via a noise canceller," Appl Optics 52, 1094-1099 (2013). >>link

2. Q. Wang, J. Chang*, F. J. Song, F. P. Wang, C. G. Zhu, Z. Liu, S. S. Zhang, and X. Z. Liu, "Measurement and analysis of water vapor inside optical components for optical fiber H2O sensing system," Appl Optics 52, 6445-6451 (2013). >>link

1. Q. Wang, J. Chang*, C. G. Zhu, C. Li, F. J. Song, Y. N. Liu, and X. Z. Liu, "Detection of water vapor concentration based on differential value of two adjacent absorption peaks," Laser Phys Lett 9, 421-425 (2012). >>link