Simultaneous refractive index and temperature sensing based on a fiber surface waveguide and fiber Bragg gratings

Chen, Qi; Wang, D. N.; Gao, Feng

doi:10.1364/ol.419636

Cited by 45 publications

(9 citation statements)

References 18 publications

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“…The fabricated device showed good potential in fields of the dual-parameter measurement due to its simple configuration, cost effectiveness and compact structure. Later in 2021, Chen et al reported an optical fiber sensor based on a fiber surface waveguide and Bragg grating for a simultaneous monitoring of refractive index and temperature variations [125]. The device consists of two fiber Bragg gratings fabricated by a femtosecond laser, one of which is situated in the fiber core for temperature sensing; the other is located in the fiber surface waveguide for both temperature and RI measurements.…”

Section: Grating Based Fibermentioning

confidence: 99%

Optical Fiber Based Temperature Sensors: A Review

Gangwar¹,

Kumari²,

Pathak³

et al. 2023

Preprint

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Current generation witnesses a huge interest in optical waveguide due to their salient feature such as low cost, immune to electromagnetic interference, easy to multiplex, compact size, etc. These features of the optical fibers makes it an useful tool for various sensing applications including medicine, automotive, biotechnology, food quality control, aerospace, physical and chemical monitoring etc. Among all the reported application, the device has been widely exploited to measure the physical and chemical variation in surrounding environment. Optical fiber based temperature sensor plays a crucial role in this decade to detect high fever and tackle COVID like pandemic. Recognizing the major developments in the field of the optical fibers, this article aims to provide recent progress in temperature sensor utilizing several sensing configuration including standard fiber, photonic crystal fiber, and Bragg grating fibers. Additionally, the article also highlights the advantages, limitations, and future possibilities in this area.

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Section: Grating Based Fibermentioning

confidence: 99%

Optical Fiber Based Temperature Sensors: A Review

Gangwar¹,

Kumari²,

Pathak³

et al. 2023

Preprint

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“…Given this form, any error in the measurement of ∆λ will lead to increasingly large errors in the parameters to be measured for smaller values of the determinant of M. Several examples of this can be found in the literature, but rarely with more than two parameters [6,24,35,47,[203][204][205][206].…”

Section: 6g Sensing In Multimodal Systems With Fiber Gratingsmentioning

confidence: 99%

Mode-division and spatial-division optical fiber sensors

et al. 2022

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The aim of this paper is to provide a comprehensive review of mode-division and spatial-division optical fiber sensors, mainly encompassing interferometers and advanced fiber gratings. Compared with their single-mode counterparts, which have a very mature field with many highly successful commercial applications, multimodal configurations have developed more recently with advances in fiber device fabrication and novel mode control devices. Multimodal fiber sensors considerably widen the range of possible sensing modalities and provide opportunities for increased accuracy and performance in conventional fiber sensing applications. Recent progress in these areas is attested by sharp increases in the number of publications and a rise in technology readiness level. In this paper, we first review the fundamental operating principles of such multimodal optical fiber sensors. We then report on the theoretical formalism and simulation procedures that allow for the prediction of the spectral changes and sensing response of these sensors. Finally, we discuss some recent cutting-edge applications, mainly in the physical and (bio)chemical fields. This paper provides both a step-by-step guide relevant for non-specialists entering in the field and a comprehensive review of advanced techniques for more skilled practitioners.

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“…The FBG is a typical ber-optic sensor with a wide range of applications. Its operation relies on monitoring changes in wavelength, intensity, phase, and polarization of the light transmitted/re ected from the FBG 29 . The Bragg wavelength of an FBG is exploited in temperature and strain-sensing technologies because the spectral FBG re ectivity varies with the temperature and strain changes.…”

Section: System Design and Testmentioning

confidence: 99%

Submarine optical fiber communication provides an unrealized deep-sea observation network

Ashry

Guo

Marín

et al. 2022

Preprint

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The ocean is key to human survival, providing natural resources, most of the global oxygen supply, and economic development through mineral, gas, and oil deposits. Although the sea is primarily considered a silent world, it is abundant with the natural sounds of marine life communication and geological processes. Human activities, especially active sonars, shipping traffic, and underwater vehicles, have significantly affected underwater soundscapes and reduced natural sounds. We report on a joint optical fiber-based communication and sensing technology to minimize noise pollution in the ocean while achieving data transmission and ocean environment monitoring and exploration. The proposed multifunctional communication and sensing fiber system enables two-way data transfer while a) monitoring marine life and ship movement near the deployed fiber at the sea bottom and b) sensing temperature. The same fiber is simultaneously used to transfer energy that can be harvested by devices in the internet of underwater things. The proposed approach dramatically reduces the costs and effects of monitoring marine ecosystems while transferring data, monitoring oceans, and charging submerged devices in the internet of underwater things.

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Simultaneous refractive index and temperature sensing based on a fiber surface waveguide and fiber Bragg gratings

Cited by 45 publications

References 18 publications

Optical Fiber Based Temperature Sensors: A Review

Optical Fiber Based Temperature Sensors: A Review

Mode-division and spatial-division optical fiber sensors

Submarine optical fiber communication provides an unrealized deep-sea observation network

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