Review on optical fiber sensors for hazardous-gas monitoring in mines and tunnels

T He, W Wang, BG He, J Chen - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Gas monitoring in mines and tunnels is the key to ensuring safe production. Nowadays,
optical fiber gas sensors depend on the advantages of nonelectrical signal transmission …

Ag@ Fe3O4-coated U-shaped plastic optical fiber sensor for H2S detection

JD Lopez-Vargas, A Dante, RC Allil, I Del Villar… - Sensors and Actuators B …, 2024 - Elsevier
This work presents the fabrication of U-shaped plastic optical fiber (POF) sensors for
hydrogen sulfide (H 2 S) detection, coated with Fe 3 O 4 nanoparticles synthetized using the …

Optical fiber sensor coated with copper and iron oxide nanoparticles for hydrogen sulfide sensing

JD Lopez, M Keley, A Dante, MM Werneck - Optical Fiber Technology, 2021 - Elsevier
This work presents the manufacture of optical sensors based on plastic optical fiber (POF) in
U–shape and metallic nanoparticles for hydrogen sulfide (H 2 S) sensing. The manufacture …

[HTML][HTML] Recent Advances in Fiber-Optic Sensors for the Detection of Inorganic Acidic Gases

L Kong, Y Gong, X Zhong, Y Liu, B Wan, Q Xie, Y He… - Photonic Sensors, 2024 - Springer
An acidic gas is an important basic chemical raw material used for synthesizing fertilizers,
insecticides, explosives, dyes, and salts. Alternatively, inorganic acidic gases that leak into …

Preparation of PdO-decorated NiO porous film on ceramic substrate for highly selective and sensitive H2S detection

Y Liu, J Bai, Y Li, L Yang, Y Wang, Y Li, F Liu… - Ceramics …, 2022 - Elsevier
This work is to develop high-performance thin film gas sensors on the alumina ceramic
substrate. Here, porous NiO films of about 2 μm were obtained by the simple …

Formaldehyde sensing using tapered U-shape plastic optical fiber coated with zinc oxide nanorods

SH Johari, TZ Cheak, HRA Rahim, MH Jali… - IEEE …, 2022 - ieeexplore.ieee.org
Continuous exposure to formaldehyde may cause injury to the central nervous, respiratory,
blood, and immunological systems. Tapered U-shape plastic optical fiber (POF) coated with …

U-shaped plastic optical fiber sensor for scale deposition in hot spring water

T Okazaki, H Kamio, M Yoshioka, A Ueda… - Analytical …, 2022 - Springer
Fiber optic sensors for monitoring scale deposition in geothermal brine and hot spring water
should be safe, easily fabricated, and readily disposable. These desired features already …

Poly (methyl methacrylate) Nanoparticles Grafted with Gold‐L‐Cysteine as a Water Cleaning Material for the Photocatalytic Degradation of Paracetamol

K Agoudjil, N Haddadine, A Davidson… - …, 2022 - Wiley Online Library
Here, we report the photocatalytic degradation of aqueous paracetamol (Acetaminophen or
N‐acetyl‐p‐aminophenol, APAP) as a drug model under visible light in presence of opal …

Effect of Metal Oxide Layers on the Performance of Polymer Optical Fiber-based Hydrogen Sulfide Sensors

JDL Vargas, A Dante, RCSB Allil… - … on Optical MEMS …, 2023 - ieeexplore.ieee.org
This work presents the development of polymer optical fiber (POF) sensors for hydrogen
sulfide (H_2S) detection, coated with varying numbers of metal oxide layers. Four sensors …