This paper presents a multiplexable fiber optic chemical sensor with the capability of monitoring hydrogen gas concentration at high temperatures up to 750 °C. The Pd-nanoparticle infused TiO 2 films...
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Compact single-path design enables real-time hydrogen leak detection. An ultrasensitive fiber-optic hydrogen sensor with dual serial interference modes, based on the Vernier effect, was
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A hydrogen sensor has been developed in which the sensing element is a palladium wire, mechanically attached to a monomode optical fibre. In the presence of hydrogen, the palladium is
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This Letter presents an approach to produce multiplexable optical fiber chemical sensor using an intrinsic Fabry–Perot interferometer (IFPI) array via the
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Fiber Bragg grating (FBG) sensors have emerged as advanced tools for monitoring a wide range of physical parameters in various fields, including
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Seven IFPI sensors were fabricated in one fiber and performed simultaneous temperature and hydrogen measurements at seven different locations. This Letter
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A fiber-optic Fabry-Perot high-temperature pressure sensor based on sapphire direct bonding is proposed and experimentally demonstrated, demonstrating the sensing capabilities for pressures
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Fiber-optic hydrogen sensing technique based on an extrinsic Fabry-Perot interferometer (FPI) composed of a palladium (Pd)-coated high finesse cavity is proposed and experimentally
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A silicon cantilever-based fiber-optic acoustic sensor formed by a Fabry–Perot interferometric structure demonstrates its ability to detect ultraweak acoustic signals due to its extremely high sensitivity.
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Microwave photonic sensing is an emerging technology that uses broadband analog optical signal processing to help traditional optical sensor achieve higher detection speed, sensitivity, and
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This review discusses a variety of fiber-optic-based H2 sensor technologies since the year 1984, including: interferometer technology, fiber
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In this paper, we propose a hydrogen sensor based on commercial Pd films and fiber-optic ceramic ferrules. The fabrication process of the proposed sensor is relatively simple and does not
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I present the design and results for an interferometric fiber optic hydrogen gas sensor, the Intrinsic Fabry-Perot Interferometer (IFPI), which uses the changing properties of layered
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This paper reports a fiber-optic hydrogen sensor based on a side-polished single-mode fiber coated with a palladium (Pd) thin film whose optical
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Abstract Practical gas sensors are indispensable for the healthy operation of cutting-edge hydrogen-based systems. An optical fiber-based
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Ariane 6 - IDQ''s superconducting nanowire single-photon detectors (SNSPDs) sit inside the launch vehicle''s opto-pyrotechnic fibre control system. Presented at the European Optical Society''s
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This paper presents a multiplexable fiber optic chemical sensor with the capability of monitoring hydrogen gas concentration at high temperatures up
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With the unprecedented development of green and renewable energy sources, the proportion of clean hydrogen (H2) applications grows rapidly. Since
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We present a novel fiber optic hydrogen sensor with fast response fabricated from a graphene–Au–Pd sandwich nanofilm and an ultrashort fiber
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Hence, as an intrinsically safe hydrogen sensor with the high sensitivity and quick response, this optics-mechanics coupling-based fiber hydrogen sensor can be widely used in the
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Fiber optic Extrinsic Fabry-Perot Interferometric (EFPI) sensors have been the focus of intense research during the last ten years. A number of sensor configurations, highly sensitive to temperature,
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The technique uses the interference of the light waves backscattered within the resolution range of a reflectometer to detect the optical path changes in a single-mode fiber.
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An optical fiber-based hydrogen sensor incorporating a robust Fabry–Perot interferometric structure on a fiber tip with high sensitivity, selectivity,
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