[PDF] Top 20 Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas
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Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas
... Ti:Sa pulse was exploited in a delay line to measure the THz electric ...duration of 100 fs. The OPA (HE-TOPAS Prime) was pumped by 6 mJ pulses at 1 kHz repetition rate to generate up to 3 mJ energy ... Voir le document complet
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THz emissions by two-color filaments in air: Revisiting the wavelength scaling
... the terahertz energies supplied by air plasmas created by two-color laser pulses whose fundamental wavelength is ...role of the ... Voir le document complet
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THz Emissions from Air-Plasmas Created by Mid-and Far-Infrared Two-Color Femtosecond Pulses
... Introduction Terahertz (THz) science is attracting a broad interest because many molecular fingerprints belong to the THz range ...a two-color femtosecond light pulse into air, creating ... Voir le document complet
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Wavelength scaling of THz emissions by two-color filaments in air
... data of [3] (black circles) with the initial phase shifts specified in ...exit of the doubling ...explained by changes in the laser parameters as the FH wavelength is ...computations of ... Voir le document complet
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en fr Contribution to the study of two-temperature plasmas properties - Application to Argon and Air Contribution à l'étude des propriétés des plasmas à deux températures - application à l'argon et à l'air
... mélanges Air-métaux [Ch5, Cr5], CHON [An1, An2, So1] ou CHON-Cu [Te1] pour les disjoncteurs basse ...les plasmas stellaires H-N [St1, St2], ceux de Kenney, Romanov et Catalfamo pour le CO 2 -N 2 [Ca8, Ke1, ... Voir le document complet
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Amplification of transition-Cherenkov terahertz radiation of femtosecond filament in air
... similarity of the radiation pattern and polarization properties of this enhanced THz emission with the case without the external electric field indicates that it has the same physical ...case of a ... Voir le document complet
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Analysis of terahertz generation by beamlet superposition
... between terahertz generation by DG-TPFs’s and beamlet superposition, we now identify situations when beamlet superposition generates terahertz radiation more efficiently compared to tilted ... Voir le document complet
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Multicolor two-photon imaging of endogenous fluorophores in living tissues by wavelength mixing
... imaging of the embryo endogenous fluorescence provides a direct visualization of the mobilization of yolk nutrients and of metabolic gradients during cell cleavage and early devel- opment ... Voir le document complet
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Experimental characterization of double pulse laser- induced plasmas on Aluminum and Tungsten targets
... composed of elements in very low concentration or whose upper levels of common transitions are at high energy (10 eV or more) the maximization of the output signal is ...second pulse shifted ... Voir le document complet
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Resonant Effects in Terahertz Generation with Laser-Induced Gas Plasmas
... the two-color-laser-in- duced plasma as a plasmonic structure, and investi- gate under which conditions such plasmonic perspec- tive is ...context of plasmonic nanoan- tennas (or metamaterials), ... Voir le document complet
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Terahertz emission from laser-driven gas-plasmas: a plasmonic point of view
... gas plasmas when the corresponding plasma wavelengths are larger than the transverse plasma ...framework of a simplified model considering a plasma slab, we identified the plasmonic resonance responsible ... Voir le document complet
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Production of THz Radiation from Mid-and Far-Infrared Two-Color Femtosecond Pulses in Air
... possible. Long laser wavelengths, e.g., 3.9 µm, are nowadays accessible in the femtosecond regime and energetic 100-fs CO 2 laser pulses operating at 10.6 µm should be available in the coming years [6]. Using a ... Voir le document complet
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Strong Enhancement of Terahertz Radiation from Laser Filaments in Air by a Static Electric Field
... produced by an intense femtosecond laser pulse propagating in air is the source of a THz radiation emitted in a narrow cone in the forward direction [1, ...produced by the longitudinal ... Voir le document complet
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Plasmonic Resonances Affecting Terahertz Generation in Laser-Induced Gas-Plasmas
... HAL Id: hal-01924405 https://hal.archives-ouvertes.fr/hal-01924405 Submitted on 15 Nov 2018 HAL is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, ... Voir le document complet
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Terahertz Generation Using Implanted InGaAs Photomixers and Multi-wavelength Quantum Dot Lasers
... lack of harmonic mixers. Figure 3 is a schematic of the THz radiation detection ...luminated by the laser beam, which was from the multi- mode QD InGaAs/InGaAsP laser at around ... Voir le document complet
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Double pulse laser-induced plasmas on W and Al for estimate of hydrogen-deuterium by ps-LIBS in tokamak-like conditions
... absorption of the second laser pulse • Many transitions observed in spectra, but few of them are well characterized in the usual database (about 7% of W I and W II on NIST) • Dynamics similar ... Voir le document complet
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Application of two-color LIF thermometry to nucleate boiling
... bubble by the two-color LIF thermometry is ...measurement of thermocouples [18]. A brief review of the principle of two-color LIF thermometry is presented in ... Voir le document complet
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Multi-wavelength observation of cosmic-ray air-showers with CODALEMA/EXTASIS
... ing of the radio emission of extensive air shower in the range [20-200] ...measured by some pioneer- ing experiments that extensive air shower emit a strong electric field in this band ... Voir le document complet
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Coherent Two-Dimensional Terahertz Magnetic Resonance Spectroscopy of Collective Spin Waves
... case of the F mode ...detection of the former [39] ...absence of χ ð2Þ signals in the F mode experimental data is hence attributed to phase ...case of the AF mode, phase mis- matching for the ... Voir le document complet
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COLOR TEXTURED IMAGE RETRIEVAL BY COMBINING TEXTURE AND COLOR FEATURES
... for color textured image retrieval based on the combination of color and texture features is ...constructed by using three groups of AC coefficients of each DCT block from the ... Voir le document complet
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