Optical frequency domain reflectometry shape sensing using an extruded optical fiber triplet for intra-arterial guidance

Francoeur, Jacynthe; Roberge, Anthony; Lorre, Pierre; Monet, Frédéric; Wright, Cory; Kadoury, Samuel; Kashyap, Raman

doi:10.1364/oe.475715

Cited by 8 publications

(4 citation statements)

References 23 publications

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“…The use of optical fibers for signal transmission and measurement has evolved since their emergence in the 1970s [8,9]. This improvement is achieved via modifications in the measurement setup [10,11] or signal processing techniques [12]. The Optical Frequency Domain Reflectometry (OFDR) technique, introduced by Eickhoff et al in 1981 [13], builds upon the Optical Time Domain Reflectometry (OTDR) method presented by Personick in 1977 [14].…”

Section: Optical Fibers As Measurement Systemsmentioning

confidence: 99%

Integrating Fiber Sensing for Spatially Resolved Temperature Measurement in Fuel Cells

Muck,

David

2023

Energies

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Fiber optic sensors integrated into fuel cell stacks have the potential to significantly enhance the temperature control and health monitoring of fuel cells. Inhomogeneous loading, both within individual cells and across different cells in a stack, leads to the formation of local hotspots that accelerate aging and degrade performance. This study investigates the behavior and feasibility of incorporating polyimide-coated optical fiber sensors into bipolar plates for precise and spatially resolved temperature monitoring. The sensor is successfully integrated into a single cell of a fuel cell stack, positioned on the bipolar plate in direct contact with the membrane. Pre-tests are conducted to thoroughly evaluate the technical properties of the fiber in relation to specific cell requirements. Additionally, a physical prototype featuring the sensor is developed and employed to validate its effectiveness under realistic operating conditions. The temperature measurement obtained via the fiber exhibits a continuous profile throughout the entire length, covering both the active area and distributor region of the cell. Throughout the entire 60 min test period, the measuring system provided continuous and uninterrupted temperature measurements, encompassing the start of the stack, the heating phase, the subsequent stable operating point, and the cooling phase. However, some technical challenges are identified, as mechanical pressure exerted on the fiber influences the measured temperature. While this work demonstrates promising results, further advancements are necessary to address inhomogeneous loading within fuel cells and hotspot mitigation. The precise monitoring of temperature distribution enables early detection of potential damage, facilitating timely interventions to improve the service life and overall performance of fuel cells.

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Section: Optical Fibers As Measurement Systemsmentioning

confidence: 99%

Integrating Fiber Sensing for Spatially Resolved Temperature Measurement in Fuel Cells

Muck,

David

2023

Energies

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“…In recent years, optical fiber sensors have been widely used because of their unique advantages such as anti-electromagnetic interference [1][2], high sensitivity [3][4], corrosion resistance [5] and so on. Optical fiber sensors have been widely used in the measurement of liquid PH [6], stress [7], ion concentration [8], liquid level [9] and other physical quantities.…”

Section: Introductionmentioning

confidence: 99%

Flexible fiber optic sensor for dual parameter perception of liquid level and temperature

Qin,

Li,

Fan

et al. 2024

Preprint

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In this paper, a flexible optical fiber for two-parameter measurement of liquid level and temperature is presented. The flexible fiber is composed of polyurethane membrane and spherical microfiber few mode fiber (FMF) . It has excellent mechanical properties and thermal stability. By converting the change of liquid level into the change of static liquid pressure of polyurethane diaphragm, the performance of the sensor is analyzed by finite element method (FEM) and beam propagation method (BPM). The sensitivity of the liquid level sensor is 0.54534 nm/mm, and the sensitivity of the liquid level sensor is increased about 5 times. In order to eliminate the temperature interference, the temperature decoupling scheme is studied in this paper. The problem of cross sensitivity is solved by discussing the interference of temperature on double wave peaks. It has a broad prospect in the field of fuel level monitoring and control.

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“…Shape sensing is an innovative technology that uses sensors and algorithms to accurately measure the shape, position, and movement of objects or structures. It has applications in robotics, medicine, structural monitoring, and virtual reality, providing enhanced control and efficiency [28,29].…”

Section: Introductionmentioning

confidence: 99%

A Concise Review of the Progress in Photonic Sensing Devices

2023

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Photonic sensing devices have become increasingly important in various fields such as agriculture, medicine, biochemical sensing, and manufacturing. They are highly sensitive and can classify minor changes in the physical and chemical properties of the ambient medium with high precision. This makes them practical in applications where accurate measurements are critical, such as medical diagnostics and environmental monitoring. In this review paper, recent advances in different types of photonic sensors are discussed, which include photonic crystal-based sensors, surface plasmon resonance-based sensors, optical fiber-based sensors, optical waveguide-based sensors, and wearable sensors. These highly fascinating sensing devices play a crucial role in countless applications and have several advantages over traditional sensors. As technology continues to advance, we can expect photonic sensors to become even more precise, versatile, and reliable.

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Optical frequency domain reflectometry shape sensing using an extruded optical fiber triplet for intra-arterial guidance

Cited by 8 publications

References 23 publications

Integrating Fiber Sensing for Spatially Resolved Temperature Measurement in Fuel Cells

Integrating Fiber Sensing for Spatially Resolved Temperature Measurement in Fuel Cells

Flexible fiber optic sensor for dual parameter perception of liquid level and temperature

A Concise Review of the Progress in Photonic Sensing Devices

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