Improvement of the detection sensitivity for tunable diode laser absorption spectroscopy: A review

S Lin, J Chang, J Sun, P Xu - Frontiers in Physics, 2022 - frontiersin.org
Tunable Diode Laser Absorption Spectroscopy (TDLAS), a trace gas sensing technology
based on infrared absorption spectroscopy, has been developed rapidly in the past few …

Recent advances and outlook in single-cavity dual comb lasers

C Zhang, F Qu, P Ou, H Sun, S He, B Fu - Photonics, 2023 - mdpi.com
Dual-comb spectroscopy as an emerging tool for spectral analysis has been investigated in
a wide range of applications, including absorption spectroscopy, light detection and ranging …

Cavity-enhanced photoacoustic dual-comb spectroscopy

Z Wang, Q Nie, H Sun, Q Wang, S Borri… - Light: Science & …, 2024 - nature.com
Photoacoustic dual-comb spectroscopy (DCS), converting spectral information in the optical
frequency domain to the audio frequency domain via multi-heterodyne beating, enables …

Mid-infrared fiber-coupled laser absorption sensor for simultaneous NH3 and NO monitoring in flue gases

K Duan, Y Ji, D Wen, Z Lu, K Xu, W Ren - Sensors and Actuators B …, 2023 - Elsevier
We report the development of a mid-infrared fiber-coupled laser absorption sensor for in situ
and simultaneous detection of NH 3 and NO, which is suitable for flue gas monitoring at the …

Dual-comb optomechanical spectroscopy

X Ren, J Pan, M Yan, J Sheng, C Yang… - Nature …, 2023 - nature.com
Optical cavities are essential for enhancing the sensitivity of molecular absorption
spectroscopy, which finds widespread high-sensitivity gas sensing applications. However …

Quartz-enhanced multiheterodyne resonant photoacoustic spectroscopy

J Wang, H Wu, A Sampaolo, P Patimisco… - Light: Science & …, 2024 - nature.com
The extension of dual-comb spectroscopy (DCS) to all wavelengths of light along with its
ability to provide ultra-large dynamic range and ultra-high spectral resolution, renders it …

[HTML][HTML] All-optical light-induced thermoacoustic spectroscopy for remote and non-contact gas sensing

Y Pan, J Zhao, P Lu, C Sima, W Zhang, L Fu, D Liu… - Photoacoustics, 2022 - Elsevier
All-optical light-induced thermoacoustic spectroscopy (AO-LITS) is reported for the first time
for highly sensitive and selective gas sensing, in which a commercial standard quartz tuning …

Dual-comb optical activity spectroscopy for the analysis of vibrational optical activity induced by external magnetic field

D Peng, C Gu, Z Zuo, Y Di, X Zou, L Tang… - Nature …, 2023 - nature.com
Optical activity (OA) spectroscopy is a powerful tool to characterize molecular chirality,
explore the stereo-specific structure and study the solution-state conformation of …

[HTML][HTML] Control and stabilization of Kerr cavity solitons and breathers driven by chirped optical pulses

FR Talenti, Y Sun, P Parra-Rivas, T Hansson… - Optics …, 2023 - Elsevier
We investigate the impact of chirped driving fields on the dynamics and generation of Kerr
cavity breathers and solitons. Synchronous phase and amplitude modulation of the pumping …

A compact photoacoustic detector for trace acetylene based on 3D-printed differential Helmholtz resonators

F Wang, L Fu, J Wu, J Zhang, Q Wang - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
Photoacoustic cell is an essential core component in a photoacoustic spectroscopy (PAS)
gas sensing system, which is used to enhance and measure the absorption-induced …