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Highly sensitive temperature sensor via activation of high-order radial mode of forward stimulated Brillouin scattering in 80 μm thin-core fibers

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Abstract

We demonstrated a high-sensitivity temperature sensor based on guided acoustic radial modes of forward stimulated Brillouin scattering in thin-core fibers, allowing the enhanced sensitivity linearly dependent on the order of activated radial modes.

© 2023 The Author(s)

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