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Conferences > OFS > 2023 > Th4 > Th4.4

Miniaturized all-fiber photoacoustic spectroscopy with high spatiotemporal resolution

Jun Ma, Enbo Fan, Haojie Liu, and Bai-Ou Guan

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Abstract

We reported a miniaturized single-fiber photoacoustic spectrometer for high spatiotemporal-resolution sensing and imaging of ppb-level gas molecules, with three orders of magnitude reduction of the sampling volume to picoliter and response time to 20 ms.

© 2023 The Author(s)

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