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Erbium-doped dual wavelength fiber laser interferometric proximity sensor with ± 16 nm measurement accuracy

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Abstract

An erbium-doped fiber ring laser proximity sensor with a high accuracy of ±16 nm, when the output power difference between the dual lasing wavelengths (~1560 nm) is smaller than 3 dB wavelength has been demonstrated.

© 2021 The Author(s)

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