Optrode-Assisted Multiparametric Near-Infrared Spectroscopy for the Analysis of Liquids
Maria Giulia Delli Santi,
Salvatore Castrignano,
Marialuisa Capezzuto
et al.
Abstract:We demonstrate a sensing scheme for liquid analytes that integrates multiple optical fiber sensors in a near-infrared spectrometer. With a simple optofluidic method, a broadband radiation is encoded in a time-domain interferogram and distributed to different sensing units that interrogate the sample simultaneously; the spectral readout of each unit is extracted from its output signal by a Fourier transform routine. The proposed method allows performing a multiparametric analysis of liquid samples in a compact … Show more
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