2022
DOI: 10.1364/ao.460218
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Temperature and strain sensitivities of a groove bonded fiber Bragg grating at room and cryogenic temperatures

Abstract: Optical fiber Bragg gratings (FBGs) are well suited for applications as temperature or/and strain sensors in harsh environments, e.g., detecting thermal hot spots in high-temperature superconductor (HTS) fusion energy magnets at cryogenic temperatures and high radiation environments. To maximize the signal-to-noise ratio (SNR) of the FBGs to a hot spot, we propose to have them mounted in V-shaped grooves of HTS’ copper former. To investigate the differences between different adhesives on transferring strain an… Show more

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Cited by 6 publications
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