Journal
OPTICS EXPRESS
Volume 29, Issue 13, Pages 20970-20980Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.427154
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Compression, shaping, and characterization of broadband mid-infrared (MIR) pulses based on an acousto-optic modulator (AOM) pulse shaper is demonstrated. Spectral phase characterization is achieved using an AOM-shaper based dispersion scan (d-scan) method. The setup's capabilities are showcased by imprinting test phases on broadband MIR pulses and retrieving them using d-scan, ultimately allowing pulse compression below 50 fs FWHM autocorrelation.
Compression, shaping and characterization of broadband mid-infrared (MIR) pulses based on an acousto-optic modulator (AOM) pulse shaper is presented. Characterization of the spectral phase is achieved by an AOM-shaper based implementation of a dispersion scan (d-scan). The abilities of the setup are demonstrated by imprinting several test phases with increasing complexity on broadband MIR pulses centered at 3.2 gm and retrieval of the imprinted phases with the presented d-scan method. Phase characterization with d-scan in combination with an evolutionary algorithm allows us to compress the MIR pulses below 50 fs FWHM autocorrelation after the shaper. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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