Side-hole two-core microstructured optical fiber for hydrostatic pressure sensing

Hu, Guoqing; Chen, Daru; Jiang, Xiaogang

doi:10.1364/ao.51.004867

Cited by 9 publications

(2 citation statements)

References 30 publications

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“…In side-hole fibers, two holes straddle the fiber core, which cause stress to be distributed anisotropically. These sensors are promising, and are described abundantly in the literature (Clowes et al 1998;Hu et al 2012), but seem to be customized jobs and cannot be considered COTS systems.…”

Section: Cots Birefringence Sensor Summarymentioning

confidence: 99%

Technical Readiness and Gaps Analysis of Commercial Optical Materials and Measurement Systems for Advanced Small Modular Reactors

Anheier¹,

Suter²,

Qiao³

et al. 2013

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Energy Research and Development Roadmap and industry stakeholders by evaluating optically based instrumentation and control (I&C) concepts for advanced small modular reactor (AdvSMR) applications. These advanced designs will require innovative thinking in terms of engineering approaches, materials integration, and I&C concepts to realize their eventual viability and deployment. The primary goals of this report include:1. Establish preliminary I&C needs, performance requirements, and possible gaps for AdvSMR designs based on best-available published design data.2. Document commercial off-the-shelf (COTS) optical sensors, components, and materials in terms of their technical readiness to support essential AdvSMR in-vessel I&C systems.3. Identify technology gaps by comparing the in-vessel monitoring requirements and environmental constraints to COTS optical sensor and materials performance specifications.4. Outline a future research, development, and demonstration (RD&D) program plan that addresses these gaps and develops optical-based I&C systems that enhance the viability of future AdvSMR designs.The DOE-NE roadmap outlines RD&D activities intended to overcome technical barriers that currently limit advances in nuclear energy. As part of this strategy, DOE-NE is sponsoring research on advanced reactor supportive technologies to reduce the identified barriers. Key challenges that must be overcome include the high capital costs to develop nuclear power plants, maintaining safety performance as the reactor fleet expands, minimizing nuclear waste, and maintaining strong proliferation resistance. AdvSMR designs are a major component of this strategy, because these designs offer a number of unique advantages. The modular and small size of AdvSMR designs naturally lead to reduced capital investments and, potentially, construction savings through factory fabrication. However, new economic and technical challenges accompany the many attractive features offered by AdvSMR designs. Specifically, the modest power output of AdvSMRs does not provide the economy of scale afforded by large reactors. In addition, many of the AdvSMR designs operate at much higher temperatures than lightwater reactors and require instrumentation to withstand harsh, in-vessel environments arising from unconventional, chemically aggressive coolants and unique reactor system configurations.Addressing these I&C challenges will be critically important to the AdvSMR development program to ensure the viability and future success of advanced reactor designs. Solutions will likely be found through evolution of conventional reactor technology, and the development of entirely new concepts. Early pressure/boiling water reactors used conventional I&C technologies (e.g., thermocouples, ionchambers, strain-gauge pressure sensors) to satisfy design requirements. Because these technologies worked well in the relatively low-temperature reactor designs, the demand for alternate I&C technologies was limited. At the time, optical-based reactor monitoring concepts were g...

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Section: Cots Birefringence Sensor Summarymentioning

confidence: 99%

Technical Readiness and Gaps Analysis of Commercial Optical Materials and Measurement Systems for Advanced Small Modular Reactors

Anheier¹,

Suter²,

Qiao³

et al. 2013

View full text Add to dashboard Cite

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“…By modal coupling interference between two cores’ light, a sensitivity of 21 pm/MPa was achieved. Hu et al developed a pressure sensor based on a side-hole two-core micro-structured optical fiber [ 18 ]. Different structures of fibers were manufactured and tested.…”

Section: Introductionmentioning

confidence: 99%

Fiber Lateral Pressure Sensor Based on Vernier– Effect Improved Fabry–Perot Interferometer

Guo

Zhou

et al. 2022

Sensors

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A fiber optic pressure sensor that can survive 2200 psi and 140 °C was developed. The sensor’s pressure sensitivity was measured to be 14 times higher than bare FBG when tested inside stacks of ultra-high-molecular-weight polyethylene (UHMWPE) composite fabric. The sensitivity can be further improved 6-fold through the Vernier effect. Its tiny sensing length (hundreds of microns) and uniform outer diameter (125 µm) make it a suitable candidate for real-time point pressure monitoring under harsh environments with limited space, such as in composite-forming procedures.

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Characteristics of a capillary single core fiber based on SPR for hydraulic pressure sensing

Tian

Chen

et al. 2023

Optics Communications

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Side-hole two-core microstructured optical fiber for hydrostatic pressure sensing

Cited by 9 publications

References 30 publications

Technical Readiness and Gaps Analysis of Commercial Optical Materials and Measurement Systems for Advanced Small Modular Reactors

Technical Readiness and Gaps Analysis of Commercial Optical Materials and Measurement Systems for Advanced Small Modular Reactors

Fiber Lateral Pressure Sensor Based on Vernier– Effect Improved Fabry–Perot Interferometer

Characteristics of a capillary single core fiber based on SPR for hydraulic pressure sensing

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