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PAS-WRAP: a new approach to photoacoustic sensing, a new opportunity for the optical fiber sensor community

We present a new approach to optical fiber photoacoustic spectroscopy for gas trace detection. After an explanation of its working principle, we show the results of the measurements obtained with our first prototype. We then analyze the advantages that this approach may provide, and further discuss how the expertise developed by the optical fiber sensor community may contribute to the field of photoacoustic gas sensing.