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Combined high-harmonic interferometries for vectorial spectroscopy

Abstract : We present a new method to characterize transverse vectorial light produced by high-harmonic generation (HHG). The incoherent sum of the two components of the electric field is measured using a bi-dimensional transient grating while one of the components is simultaneously characterized using two-source interferometry. The combination of these two interferometric setups enables the amplitude and phase measurement of the two vectorial components of the extreme ultraviolet radiation. We demonstrate the potential of this technique in the case of HHG in aligned nitrogen, revealing the vectorial properties of harmonics 9–17 of a Ti:sapphire laser.
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Submitted on : Tuesday, December 15, 2015 - 3:46:51 PM
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Antoine Camper, Amélie Ferré, Valérie Blanchet, Frédéric Burgy, Dominique Descamps, et al.. Combined high-harmonic interferometries for vectorial spectroscopy. Optics Letters, Optical Society of America - OSA Publishing, 2015, 40 (22), pp.5387-5390. ⟨10.1364/OL.40.005387⟩. ⟨cea-01244287⟩



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