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Conferences > OFS > 2023 > W3 > W3.4

High-resolution resonant optical fiber sensor interrogation technique using a square-wave modulated DFB laser diode

Michael Fried, Georgina Tresanchez, Peter J. Thomas, and Dag Roar Hjelme

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Abstract

We demonstrate a high-resolution, low-cost interrogation technique using a square wave modulated DFB laser diode. With only three parameters, and without characterization of the dynamic frequency chirp, we achieve a spectral resolution of 0.05pm.

© 2023 The Author(s)

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