Optical sensing in condition monitoring of gas insulated apparatus: a review

H Zhou, G Ma, Y Wang, W Qin, J Jiang, C Yan… - High …, 2019‏ - Wiley Online Library
Health monitoring of gas insulated apparatus is critical to improve the reliability and to
reduce the life cycle cost. Among the various methods for monitoring, optical sensing …

[HTML][HTML] Trends in the design of intensity-based optical fiber biosensors (2010–2020)

N De Acha, AB Socorro-Leránoz, C Elosúa, IR Matías - Biosensors, 2021‏ - mdpi.com
There exists an increasing interest in monitoring low concentrations of biochemical species,
as they allow the early-stage detection of illnesses or the monitoring of the environment …

Study on the origin of linear deviation with the Beer-Lambert law in absorption spectroscopy by measuring sulfur dioxide

L Li, H Zhao, N Ni, Y Wang, J Gao, Q Gao… - … Acta Part A: Molecular …, 2022‏ - Elsevier
In accordance with the Beer-Lambert law, absorbance is proportional to concentration and
optical path length of the absorbers in the sample, and in a linear relationship with total …

Magnetic-Field-Enhanced H2S Sensitivity of Cu2O/NiO Heterostructure Ordered Nanoarrays

H Sun, M Cao, P Zhang, X Tian, M Lu, L Du, K Xue… - ACS …, 2022‏ - ACS Publications
Magnetism is a promising external intervention for gas sensitivity based on a heterogeneous
interfacial structure caused by the regulation of the heterogeneous interface conductivity and …

Optical H2S and SO2 sensor based on chemical conversion and partition differential optical absorption spectroscopy

Y Zhang, Y Wang, Y Liu, X Dong, H **a… - Spectrochimica Acta Part …, 2019‏ - Elsevier
An optical sensor based on chemical conversion and partition differential optical absorption
spectroscopy is developed to detect hydrogen sulfide (H 2 S) and sulfur dioxide (SO 2) gas …

Multiparameter gas sensor based on UV-SFR combined with wavelet transform-neural network at ppb level

R Zhu, J Gao, M Li, Y Wu, X Wu, Y Zhang - Optics & Laser Technology, 2024‏ - Elsevier
Abnormal concentrations of nitric oxide (NO), ammonia (NH 3), carbon disulfide (CS 2) and
sulphur dioxide (SO 2) in exhaled breath are closely associated with diseases in specific …

Quantitative analysis of SO2, H2S and CS2 mixed gases based on ultraviolet differential absorption spectrometry

Z Cui, X Zhang, Z Cheng, Y Li, H **ao - Spectrochimica Acta Part A …, 2019‏ - Elsevier
Abstract SO 2, H 2 S and CS 2 are the decomposition components of insulating gas SF 6.
The detection of these gases is significant for the online monitoring and fault diagnosis of SF …

Ultraviolet Spectral Analysis and Quantitative Detection of Heptafluoroisobutyronitrile (C4F7N) in a C4F7N–Carbon Dioxide (CO2) Gas Mixture

Y Zhang, X Zhang, C Liu, Y Li, Z Cui… - Applied …, 2019‏ - journals.sagepub.com
As an alternative to sulfur hexafluoride (SF6) with great potential for application,
heptafluoroisobutyronitrile–carbon dioxide (C4F7N–CO2) gas mixture has been applied in …

Deflection-based laser sensing platform for selective and sensitive detection of H2S using plasmonic nanostructures

E Afjeh-Dana, E Asadian, MR Razzaghi… - Scientific Reports, 2022‏ - nature.com
Considering the severe hazards of abnormal concentration level of H2S as an extremely
toxic gas to the human body and due to the disability of olfactory system in sensing toxic …

Optical technology for detecting the decomposition products of SF6: a review

X Zhang, Y Zhang, J Tang, Z Cui, Y Li… - Optical …, 2018‏ - spiedigitallibrary.org
Studies have demonstrated that partial discharge in SF6-insulated electrical equipment can
cause SF6 decomposition, resulting in the generation of various products. Quantitative …