Journal
JOURNAL OF MODERN OPTICS
Volume 64, Issue -, Pages S1-S6Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500340.2016.1257751
Keywords
Spatiotemporal pulse characterization; optical vortices; spatiotemporal couplings; Fourier transform spectrometry; phase singularities
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Funding
- European Research Council (PALP)
- European Research Council (CLIAS)
- Knut and Alice Wallenberg Foundation
- LASERLAB-EUROPE III [284464]
- Swedish Research Council
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We use a spiral phase plate to generate few-cycle optical vortices from an ultrafast titanium:sapphire oscillator and characterize them in the spatiotemporal domain with a recently introduced technique based on spatially resolved Fourier transform spectrometry. The performance of this simple approach to the generation of optical vortices is analysed from a wavelength-dependent perspective as well as in the spatiotemporal domain, allowing us to characterize ultrashort vortex pulses in space, frequency and time.
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