Miniaturized and highly-sensitive fiber-optic photoacoustic gas sensor
A proof-of-concept gas sensor based on a miniaturized and integrated fiber-optic photoacoustic detection module was introduced and demonstrated for th
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A proof-of-concept gas sensor based on a miniaturized and integrated fiber-optic photoacoustic detection module was introduced and demonstrated for th
Compared with the traditional fiber gas pressure sensors, the proposed sensor showed great advantages in sensitivity, mechanical strength, cost, and
An ultrahigh-sensitive acetone gas sensor based on the Vernier effect is proposed. The sensitivity of the sensor to acetone reaches 26.91 pm/ppm, which is about 15.38 times more sensitive than that of a
A light source, a signal input optical fiber, a signal output optical fiber, and a detector make up a fiber-optic gas sensing system (optionally the system
Methane, a highly flammable and explosive gas, poses significant safety risks and challenges for industrial applications. A highly sensitive sensor based on surface plasmon resonance
A highly sensitive fiber-optic Fabry-Perot sensor based on femtosecond (fs) laser micromachining is proposed and demonstrated for gas pressure measure
We propose and experimentally demonstrate a highly sensitive gas pressure sensor in parallel configuration based on harmonic Vernier effect. The senso
Currently, state-of-the-art fiber optical gas sensors often employ lengthy fibers as gas absorption components to enhance their sensitivity in detecting gases. However, they confront obstacles such
This would enable multi-component gas detection with a single sensing element and pave the way for ultra-precision gas sensing for medical,
Researchers are studying a number of configurations and mechanisms to detect specific gases and ways to enhance their performances.
Fiber-optic sensing (FOS) technology has emerged as a cutting-edge research focus in the sensor field due to its miniaturized structure, high sensitivity,
We review the recent developments in optical fiber-based gas sensors utilizing light-induced acoustic/elastic techniques based on photoacoustic spectroscopy, Brillouin scattering, and
Optical fibre gas sensors are capable of remote sensing, working in various environments, and have the potential to outperform conventional metal oxide semiconductor (MOS)
An FPI-based gas pressure sensor made of single-mode fiber-hollow-core fiber-twin-core fiber is proposed and experimentally observed. The gas pressure sensitivi
In this work, we comprehensively considered and balanced the various performance parameters of the optical fiber formic acid gas sensor, while also providing a platform for temperature
We have developed ultra-sensitive NIR fiber-optic gas sensors coated with a thin layer of metal-organic framework (MOF) materials for the detection of
A highly sensitive sensor based on surface plasmon resonance within a photonic crystal fiber is presented and fully analyzed. This sensor measures methane concentration while providing
A cascaded ultraviolet (UV) adhesive-based fiber-optic Fabry-Perot (FP) sensor utilizing the Vernier effect is proposed and experimentally validated. The sensor consists of two cascaded FP cavities,
A sensitive fiber-optic photothermal (PT) gas sensor with white-light interference demodulation is proposed. It is simply a Fabry-Perot interferometer structure that is formed by a fiber, an optical fiber
The pressure sensor demonstrates high sensitivity, cost-effectiveness, low resolution, and excellent repeatability, rendering it a promising candidate for applications in medical and biological sensing.
This article expounds a highly sensitive Fabry-Perot interferometer (FPI) gas pressure sensor that employs microwave photonics with phase demodulation technique. This interrogation
Abstract Introducing a two-dimensional material Gallium selenide (GaSe) for the sensitization for the first time, a novel multimode-single-mode-multimode fiber surface plasmon resonance (SPR) sensor with
With the development of fiber optical technology, fiber optical sensors have gradually become an important type in gas sensing applications due to the advantages of corrosion resistance,