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Article Dans Une Revue Optics Express Année : 2019

Frequency-Domain Two-Dimensional Infrared Spectroscopy using an Acousto-Optic Programmable Dispersive Filter

Résumé

We report on multidimensional spectroscopy in the mid-infrared performed using a calomel-based acousto-optic programmable dispersive filter. Although the associated spectral resolution is currently not as good as what has been previously reported using time-domain interferometers or other pulse-shaping technologies, the extreme compactness of the calomel crystal allows a straightforward implementation in a pre-existing pump-probe setup. Furthermore, the frequency-domain approach allows easy measurement of 2D slices of the multidimensional spectrum associated with a given pump frequency. We demonstrate our method with the measurement of the mid-infrared spectrum of carboxy-hemoglobin in three spectro-temporal dimensions.
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Dates et versions

hal-01906724 , version 1 (27-10-2018)

Identifiants

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José Alberto de La Paz, Adeline Bonvalet, Manuel Joffre. Frequency-Domain Two-Dimensional Infrared Spectroscopy using an Acousto-Optic Programmable Dispersive Filter. Optics Express, 2019, 27 (4), pp.4140-4146. ⟨10.1364/OE.27.004140⟩. ⟨hal-01906724⟩
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