Demonstration of wavelength-scan-free action spectroscopy in pump/probe measurement with supercontinuum pump light

We devise and introduce the principle of wavelength-scan-free spectroscopy for the pump light in pump/probe measurement (action spectroscopy) using supercontinuum light; we demonstrate its implementation by measuring transmission spectra. We use the supercontinuum light noise as a code in order to d...

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Bibliographic Details
Published in:Optics express 2019-03, Vol.27 (5), p.6976-6995
Main Authors: Seto, K, Yamada, H, Kobayashi, T, Tokunaga, E
Format: Article
Language:English
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Summary:We devise and introduce the principle of wavelength-scan-free spectroscopy for the pump light in pump/probe measurement (action spectroscopy) using supercontinuum light; we demonstrate its implementation by measuring transmission spectra. We use the supercontinuum light noise as a code in order to discriminate wavelength. We extract the stimulation at the desired wavelength by correlating the noise at that wavelength observed separately and the observed total stimulation carried by the probe light. The wavelength-scan-free spectroscopy is enabled with a simultaneous procedure for multiple wavelengths.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.27.006976