Two curvature sensors based on no-core–seven-core fiber interference
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Yifan Ran
Abstract
Using the no-core fiber (NCF)–seven-core fiber (SCF) interference structure, two curvature sensors of Michelson interference type and Mach–Zehnder interference (MZI) type are proposed, respectively. The curvature sensor based on Michelson interference shows wavelength-modulation characteristics, the sensitivity is about −22.76 nm/m−1 with a linearity of 0.9823, the temperature sensitivity is only 0.054 nm/°C, and the effect of temperature on curvature can be negligible. The MZI sensor based on an enlarged taper-embedded cascaded structure is an intensity-modulated sensor. The sensitivities are −63.6271 dB m/m−1 and 93.3293 dBm/m−1 for the forward and reverse curvature, respectively, and the linearities are 0.9987 and 0.9930, respectively. But the strain sensitivity (8.357 × 10−4 dBm/με) of the MZI sensor is so tiny, which can avoid the strain cross effect. The two sensors can be used in the detection of the curvature at different (temperature/strain) conditions.
Funding source: Chongqing Municipal Education Commission
Award Identifier / Grant number: KJQN202101110, KJZD-K202201107
Funding source: The National Natural Science Foundation of China
Award Identifier / Grant number: 51574054
Funding source: Joint Fund of Chongqing Municipal Education Commission and Science and Technology Bureau
Award Identifier / Grant number: CSTB2022NSCQ-LZX0032
Award Identifier / Grant number: GZLCX20223297
Funding source: Chongqing Municipal Science and Technology Bureau
Award Identifier / Grant number: cstc2021jcyj-msxmX0493, CSTB2022BSXM-JCX0119, CSTB
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Research ethics: Not applicable.
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Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interests: The authors state no competing interests.
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Research funding: The National Natural Science Foundation of China (51574054); Chongqing Municipal Education Commission (KJQN202101110, KJZD-K202201107); Joint Fund of Chongqing Municipal Education Commission and Science and Technology Bureau (CSTB2022NSCQ-LZX0032); Chongqing Science and Technology Bureau (cstc2021jcyj-msxmX0493, CSTB2022BSXM-JCX0119, CSTB2022NSCQ-MSX0356); Joint Fund of Chongqing Municipal Education Commission and Science and Technology Bureau (GZLCX20223297).
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Data availability: Data underlying the results presented in this paper are not publicly available at this time but may be obtained from authors upon reasonable request.
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© 2023 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Atomic, Molecular & Chemical Physics
- Extended calculations of energy levels and transition rates for Yb LVII
- Two curvature sensors based on no-core–seven-core fiber interference
- Environmentally friendly reduction of graphene oxide using the plant extract of novel Chromolaena odorata and evaluation of adsorption capacity on methylene blue dye
- Dynamical Systems & Nonlinear Phenomena
- Novel compound multistable stochastic resonance weak signal detection
- The absorbing boundary conditions of Newtonian fluid flowing across a semi-infinite plate with different velocities and pressures
- Three-to-one internal resonances of stepped nanobeam of nonlinearity
- Evaluation of weak discontinuity in rotating medium with magnetic field, characteristic shock and weak discontinuity interaction
- Robust inverse scattering analysis of discrete high-order nonlinear Schrödinger equation
- Hydrodynamics
- Quadruple Beltrami field structures in electron–positron multi-ion plasma
- Quantum Theory
- New expressions for the Aharonov–Bohm phase and consequences for the fundamentals of quantum mechanics
Artikel in diesem Heft
- Frontmatter
- Atomic, Molecular & Chemical Physics
- Extended calculations of energy levels and transition rates for Yb LVII
- Two curvature sensors based on no-core–seven-core fiber interference
- Environmentally friendly reduction of graphene oxide using the plant extract of novel Chromolaena odorata and evaluation of adsorption capacity on methylene blue dye
- Dynamical Systems & Nonlinear Phenomena
- Novel compound multistable stochastic resonance weak signal detection
- The absorbing boundary conditions of Newtonian fluid flowing across a semi-infinite plate with different velocities and pressures
- Three-to-one internal resonances of stepped nanobeam of nonlinearity
- Evaluation of weak discontinuity in rotating medium with magnetic field, characteristic shock and weak discontinuity interaction
- Robust inverse scattering analysis of discrete high-order nonlinear Schrödinger equation
- Hydrodynamics
- Quadruple Beltrami field structures in electron–positron multi-ion plasma
- Quantum Theory
- New expressions for the Aharonov–Bohm phase and consequences for the fundamentals of quantum mechanics
