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Ppb-level Detection of Acetylene based on QEPAS Using a Power Amplified Diode Laser

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Abstract

An ultra-high sensitive C2H2-QEPAS sensor using an EDFA amplified diode laser was demonstrated. The 33.2 ppb detection sensitivity verified that the design of the reported QEPAS method demonstrated significantly enhanced sensor performance.

© 2018 The Author(s)

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