A laser frequency comb is a broad spectrum composed of equidistant narrow lines. Initially invented for frequency metrology, such combs enable new approaches to spectroscopy over …
Y Liu, S Qiao, C Fang, Y He, H Sun, J Liu… - Opto-Electron. Adv., 2024 - researching.cn
A highly sensitive light-induced thermoelectric spectroscopy (LITES) sensor based on a multi-pass cell (MPC) with dense spot pattern and a novel quartz tuning fork (QTF) with low …
Lithium niobate (LiNbO3) on insulator (LNOI) is a promising material platform for integrated photonics due to single crystal LiNbO3 film's wide transparent window, high refractive index …
Z Lang, S Qiao, T Liang, Y He, L Qi, Y Ma - Optics Express, 2023 - opg.optica.org
A novel dual-frequency modulated heterodyne quartz-enhanced photoacoustic spectroscopy (DFH-QEPAS) was demonstrated for what we believe to be the first time in this …
High-speed measurement confronts the extreme speed limit when the signal becomes comparable to the noise level. In the context of broadband mid-infrared spectroscopy, state …
Frequency combs are optical spectra composed of a set of discrete equally spaced lines. Such spectra can be generated by diverse sources such as mode-locked lasers, resonators …
C Zhang, S Qiao, Y He, Y Ma - Optics Express, 2023 - opg.optica.org
A high-sensitive photoacoustic spectroscopy (PAS) sensor, which is based on a multi-pass- retro-reflection-enhanced differential Helmholtz photoacoustic cell (DHPAC) and a high …
The development of a spectroscopy device on a chip that could realize real-time fingerprinting with label-free and high-throughput detection of trace molecules represents …
Dual-comb spectroscopy is a powerful technique for real-time, broadband optical sampling of molecular spectra, which requires no moving components. Recent developments with …