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Spectral plots at three selected emission lines of the Fianium laser. Data for nominal 540, 650 and 730 nm laser lines are presented in figures (a), (b) and (c) respectively. Red dots represent HS-IMS data averaged over the field of view, the continuous green line is for Ocean Optics spectrometer raw data, and the blue line is for HS-IMS data interpolated with a cubic spline curve. Insets in the figures depict the area in the vicinity of a laser line peak.
