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All-fiber QEPAS Sensor and Its Application for Spatially Resolved Trace Gas Detection

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Abstract

A compact all-fiber QEPAS sensor using quartz tuning fork (QTF) with a resonance frequency of 30.72 kHz was demonstrated. Three QTFs were used for H2O detection simultaneously to demonstrate the potential of spatially resolved measurements.

© 2017 Optical Society of America

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