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Abstract:
In this paper, the graphene tilted Bragg fiber grating (TFBG) sensor is fabricated by pulsed laser deposition (PLD). TFBG's sensitivity to external environmental changes can be improved to a certain extent by coating graphene in TFBG area. The experimental results show that the strain sensitivity of TFBG coated with graphene is 0.48 nm/m epsilon, which is 1.6 times of the strain sensitivity of bare grating. The temperature sensitivity of TFBG coated with graphene is 0.1 nm/degrees Cas same as bare grating. Based on the dual-wavelength matrix method, the Sagnac loop is used to cascade the coated tilted grating with The Bragg grating (FBG), and the temperature and stress sensing characteristics are measured simultaneously.
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OPTIK
ISSN: 0030-4026
Year: 2022
Volume: 259
3 . 1
JCR@2022
3 . 1 0 0
JCR@2022
ESI Discipline: PHYSICS;
ESI HC Threshold:41
JCR Journal Grade:2
CAS Journal Grade:4
Cited Count:
WoS CC Cited Count: 2
SCOPUS Cited Count: 2
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3
Affiliated Colleges: