Long period fiber gratings in anti-resonant hollow core fiber

Long period gratings, based on anti-resonant hollow core fibers (AR-HCFs), are fabricated using high-frequency CO2 laser pulse by carving periodic grooves. This device exhibits both axial strain and bending sensing characteristics. Benefiting from the low thermal sensitivity and radiation resistance...

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Veröffentlicht in:Applied physics express 2024-12
Hauptverfasser: Huang, Ligang, Zhao, Yanxiang, Li, Yujia, Liu, Shunli, Zhou, Hailin, Gao, Lei, Shi, Leilei, Zhou, Gui-Yao, Zhu, Tao
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Sprache:eng
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Zusammenfassung:Long period gratings, based on anti-resonant hollow core fibers (AR-HCFs), are fabricated using high-frequency CO2 laser pulse by carving periodic grooves. This device exhibits both axial strain and bending sensing characteristics. Benefiting from the low thermal sensitivity and radiation resistance characteristic of AR-HCF, this grating can be utilized in extreme environment, particularly in high-radiation environment, such as nuclear power plants and space shuttles. Additionally, due to the characteristics of AR-HCF, including low latency, low dispersion, low nonlinearity, and high damage threshold, this device also serves for long-distance fiber communication and high-power laser pulse shaping.
ISSN:1882-0778
1882-0786
DOI:10.35848/1882-0786/ada3aa