Reviews of wearable healthcare systems: Materials, devices and system integration
Wearable health monitoring systems are considered as the next generation of personal
portable devices for telemedicine practice. These systems are based on monitoring different …
portable devices for telemedicine practice. These systems are based on monitoring different …
Direct absorption and photoacoustic spectroscopy for gas sensing and analysis: a critical review
Optical spectroscopy has a broad scientific basis in chemistry, physics, and material science,
with diverse applications in medicine, pharmaceuticals, agriculture, and environmental …
with diverse applications in medicine, pharmaceuticals, agriculture, and environmental …
Mid-infrared tunable laser-based broadband fingerprint absorption spectroscopy for trace gas sensing: a review
The vast majority of gaseous chemical substances exhibit fundamental rovibrational
absorption bands in the mid-infrared spectral region (2.5–25 μm), and the absorption of light …
absorption bands in the mid-infrared spectral region (2.5–25 μm), and the absorption of light …
On-chip mid-infrared silicon-on-insulator waveguide methane sensor using two measurement schemes at 3.291 μm
H Zhao, C Zheng, M Pi, L Liang, F Song… - Frontiers in …, 2022 - frontiersin.org
Portable or even on-chip detection of methane (CH4) is significant for environmental
protection and production safety. However, optical sensing systems are usually based on …
protection and production safety. However, optical sensing systems are usually based on …
Wavelength-modulated photoacoustic spectroscopy sensor for multi-gas measurement of acetone, methane, and water vapor based on a differential acoustic …
Y Huang, T Zhang, GX Wang, YX Xing… - Applied Physics Letters, 2023 - pubs.aip.org
Precise assessment of breath acetone and methane is significant to the medical diagnosis
process. A multi-gas sensing system based on wavelength-modulated differential …
process. A multi-gas sensing system based on wavelength-modulated differential …
Compact Hollow Waveguide Mid-Infrared Gas Sensor For Simultaneous Measurements of Ambient CO2 and Water Vapor
T Wu, W Kong, M Wang, Q Wu, W Chen… - Journal of Lightwave …, 2020 - opg.optica.org
A compact, sensitive and stable hollow waveguide (HWG) mid-infrared gas sensor, based
on gas absorption lines using wavelength modulation spectroscopy with a second harmonic …
on gas absorption lines using wavelength modulation spectroscopy with a second harmonic …
Real-Time Monitoring of 13C- and 18O-Isotopes of Human Breath CO2 Using a Mid-Infrared Hollow Waveguide Gas Sensor
T Zhou, T Wu, Q Wu, W Chen, M Wu, C Ye… - Analytical …, 2020 - ACS Publications
Real-time measuring of CO2 isotopes (13CO2, 12CO2, and 18OC16O) in exhaled breath
using a mid-infrared hollow waveguide gas sensor incorporating a 2.73 μm distributed …
using a mid-infrared hollow waveguide gas sensor incorporating a 2.73 μm distributed …
Real-time measurement of CO2 isotopologue ratios in exhaled breath by a hollow waveguide based mid-infrared gas sensor
A hollow waveguide (HWG) based mid-infrared gas sensor using a 2.73 µm distributed
feedback (DFB) laser was developed for simultaneously measuring the concentration …
feedback (DFB) laser was developed for simultaneously measuring the concentration …
Hollow waveguide enhanced dimethyl sulfide sensor based on a 3.3 μm interband cascade laser
Detection of dimethyl sulfide (CH 3 SCH 3) is significant for protection of environmental
atmosphere and safety of industrial and agricultural production. A tunable laser absorption …
atmosphere and safety of industrial and agricultural production. A tunable laser absorption …
Simultaneous dual-gas measurement using hybrid photoacoustic spectroscopy
In this study, we have developed a hybrid photoacoustic spectroscopy (PAS) system for
simultaneous measurement of nitrogen dioxide (NO 2) and methane (CH 4) based on a dual …
simultaneous measurement of nitrogen dioxide (NO 2) and methane (CH 4) based on a dual …