2023 年 143 巻 8 号 p. 246-250
Using the Brillouin optical correlation domain method (BOCDR), distribution measurements and quasi-simultaneous multi-point measurements using a single optical fiber were performed over a 127 m area including three temperature regions: low temperature (-196°C), room temperature (25°C), and high temperature (200°C). The present results show that distributed temperature measurement over a wide temperature range (about 400°C), including room temperature, is possible, and that temperature measurement using Brillouin scattering light has potential applications in the space and other fields.
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