Inline self-diffraction dispersion-scan of over octave-spanning pulses in the single-cycle regime
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2017
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Optical Soc Amer
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Abstract
We present an implementation of dispersion-scan based on self-diffraction (SD d-scan) and apply it to the measurement of over octave-spanning sub-4-fs pulses. The results are compared with second-harmonic generation (SHG) d-scan. The efficiency of the SD process is derived theoretically and compared with the spectral response retrieved by the d-scan algorithm. The new SD d-scan has a robust inline setup and enables measuring pulses with over-octave spectra, single-cycle durations, and wavelength ranges beyond those of SHG crystals, such as the ultraviolet and the deep-ultraviolet. (C) 2017 Optical Society of America.
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© 2017 Optical Society of America.
Funding: Fundacao para a Ciencia e a Tecnologia (FCT) [UID/NAN/50024/2013]; Ministerio de Economia y Competitividad (MINECO) [FIS2013-41709P]