An active core fiber optic sensor has been developed for detecting trace H2S in high-
temperature gas samples. This sensor uses a cadmium oxide doped porous silica optical …

Abstract A Plastic Optical Fiber (POF) in U-shape, functionalized with a thin film of copper
oxide, was developed as a hydrogen sulfide gas sensor. Unlike resistive-type …

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 …

In-situ monitoring of the multi-component gas streams in high temperature energy
conversion devices offer the promises to higher efficiency via improved understanding of the …

An optical fiber chemical sensor for detecting/monitoring trace ammonia in high-temperature
gas streams has been developed. This sensor uses a CuCl 2-doped porous silica optical …

In this paper the realization and characterization of a new plastic optical fiber sensor for the
detection of H 2 S and other sulfide compounds is described. The sensor is specifically …

This paper reports the fabrication and test of multilayer fiber optic sensors (FOSs) for
hydrogen gas monitoring at high temperature. The FOS is a long-period fiber grating (LPFG) …

This invention relates generally to sensing systems and sensors, and, more particularly, to a
sensing system with an array of grating-based fiber gas sensors that provide a mea …

Double-layer fiber optic sensors have been fabricated and tested for hydrogen (H 2) gas at
room temperature. The optical fiber was coated with a palladium/silica (Pd/SiO 2) sensing …

Sensors that measure dissolved gases directly are needed for environmental, industrial, and
biomedical applications. Here we present a hollow core fiber optic sensor capable of …