Microfiber evanescent-field photothermal gas detection using acoustic-induced mode-dependent frequency shift
Y Zhu, A Guo, J Xu, Z Zhang, F Pang, W Zhang… - …, 2023 - degruyter.com
In this study, we experimentally showcase the microfiber evanescent-field photothermal gas
detection by exploiting all-fiber MHz-level frequency shift scheme. Based on the acousto …
detection by exploiting all-fiber MHz-level frequency shift scheme. Based on the acousto …
Low‐Coherence Photothermal Interferometry for Precision Spectroscopic Gas Sensing
Laser spectroscopy has shown great potential as a cost‐effective method for trace gas
detection with high sensitivity and specificity. However, it still falls short in applications such …
detection with high sensitivity and specificity. However, it still falls short in applications such …
Multicomponent trace gas detection with hollow-core fiber photothermal interferometry and time-division multiplexing
We report a multicomponent photothermal gas sensor with a conjoined-tube hollow-core
optical fiber gas cell. With a common Fabry-Perot probe interferometer and a common gas …
optical fiber gas cell. With a common Fabry-Perot probe interferometer and a common gas …
Amplified Photothermal Phase Modulation for Carbon Dioxide Detection by Operating a Dual-Mode Interferometer at Destructive Interference
Photothermal interferometry is a highly sensitive spectroscopic technique for trace gas
detection. However, the performance of the state-of-the-art laser spectroscopic sensors is …
detection. However, the performance of the state-of-the-art laser spectroscopic sensors is …
Transmission of an optical vortex beam in antiresonant fibers generated in an all-fiber system
We report an experimental study on transmission of orbital angular momentum mode in
antiresonant fibers generated with a dedicated all-fiber optical vortex phase mask. The …
antiresonant fibers generated with a dedicated all-fiber optical vortex phase mask. The …
Random Laser Operating at Near 1.67 µM Based on Bismuth-Doped Artificial Rayleigh Fiber
A Kharakhordin, A Rybaltovsky, S Popov… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
A narrow-linewidth bismuth-doped fiber laser (BDFL) with the random cavity and operational
wavelength at 1.67 µm was demonstrated. The laser cavity was formed by an array of …
wavelength at 1.67 µm was demonstrated. The laser cavity was formed by an array of …
ODMR-based and microwave-free magnetic field gradiometry with nanodiamond-doped anti-resonant hollow core fibers
We demonstrate the development of anti-resonant hollow core fibers functionalized with
nanodiamonds and their application to ODMR-based and microwave-free magnetic field …
nanodiamonds and their application to ODMR-based and microwave-free magnetic field …
无需油气分离的油中溶解乙炔原位直接检测
王渊， 马国明， 谢洋洋， 陈章霖， 郑迪雅… - 中国电机工程 …, 2022 - epjournal.csee.org.cn
现有变压器油色谱技术检测存在时效性差, 传感元件无法内置于变压器内部,
油气分离时间长等问题, 该文提出一种基于光子晶体光纤的油中溶解乙炔光热光谱直接检测方法 …
油气分离时间长等问题, 该文提出一种基于光子晶体光纤的油中溶解乙炔光热光谱直接检测方法 …
Hollow-core fiber-based mid-infrared photothermal spectroscopy for multi-component gas sensing
We report a mid-infrared (MIR) photothermal laser spectroscopy system for multi-component
gas sensing with a single broadband anti-resonant hollow-core fiber gas cell. Three MIR …
gas sensing with a single broadband anti-resonant hollow-core fiber gas cell. Three MIR …
Highly sensitive and reliable optical fiber TDLAS gas detection system for methane in situ monitoring in near space
Q Zhang, T Zhang, Y Wei, T Liu - Applied Optics, 2023 - opg.optica.org
A highly sensitive and reliable tunable diode laser absorption spectroscopy gas detection
system with a temperature–pressure compensation algorithm is demonstrated for detecting …
system with a temperature–pressure compensation algorithm is demonstrated for detecting …