Advances in Fiber Optical Sensing Technology for Harsh Environment Applications

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Lasers, Light Sources and Sensors".

Deadline for manuscript submissions: closed (15 February 2023) | Viewed by 2035

Special Issue Editors


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Guest Editor
Benedum Hall, University of Pittsburgh, PA 15261, USA
Interests: fiber optics; chemical sensing; laser processing; optical materials; environmental sensing

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Guest Editor
Department of Electrical and Computer Engineering, University of Pittsburgh, PA 15261, USA
Interests: integrated photonics system for coherent and incoherent distributed optical sensing; sensor enabled artificial intelligence data analytics and digital twin; femtosecond laser matter interaction for scalable nanofabrication and fiber sensor fabrications; topologic photonics and 3D lightwave circuits for quantum information; photonic integrated circuits for optical sensing; additive manufacturing (AM): sensor fused smart components, AM for laser photonics systems.
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Special Issue Information

Dear Colleagues,

Efforts are being made in current-sensing technologies that focus on enabling the capability of sensors and improving their performance under harsh environments, such as those with high temperatures, strong radiation, corrosion, and electromagnetic interference. Those environmental conditions make it extremely difficult to implement conventional sensing approaches using electrical sensors for monitoring targeted facilities or devices. Fiber optics sensors, on the other hand, provide huge potential for those applications that benefit from their small-form factor, resilience at high temperatures, resistance to corrosion, and immunity to electromagnetic interference.

This Special Issue is dedicated to the recent developments in fiber optics sensing technologies, focusing on all aspects of the research and development of fiber optics sensors for applications in harsh environments. This Special Issue emphasizes research papers and reviews that focus on fiber optics metrology and new functional material interrogation for harsh environmental applications. I hope that this Special Issue will provide researchers in this field with a platform to publish their recent results as well as offer the research community a comprehensive overview of current progress in the field of optical fiber sensors for harsh environmental applications.

Dr. Rongtao Cao
Prof. Dr. Kevin P. Chen
Guest Editors

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Keywords

  • environmental and industrial monitoring sensors
  • health monitoring sensors
  • chemical sensors
  • high-temperature sensors
  • radiation sensors

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Published Papers (1 paper)

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Research

8 pages, 1651 KiB  
Communication
A High-Temperature Multipoint Hydrogen Sensor Using an Intrinsic Fabry–Perot Interferometer in Optical Fiber
by Rongtao Cao, Jingyu Wu, Yang Yang, Mohan Wang, Yuqi Li and Kevin P. Chen
Photonics 2023, 10(3), 284; https://doi.org/10.3390/photonics10030284 - 8 Mar 2023
Viewed by 1715
Abstract
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 TiO2 films coated on intrinsic Fabry–Perot interferometer (IFPI) array were used as sensory films. Strains [...] Read more.
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 TiO2 films coated on intrinsic Fabry–Perot interferometer (IFPI) array were used as sensory films. Strains induced upon exposure to hydrogen with varied concentrations can be monitored by IFPI sensors. The fiber sensor shows a repetitive and reversible response when exposed to a low level (1–6%) of hydrogen gas. Uniform sensory behavior across all the sensing cavities is demonstrated and reported in this paper. Full article
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