[PDF] Top 20 Production of THz Radiation from Mid-and Far-Infrared Two-Color Femtosecond Pulses in Air
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Production of THz Radiation from Mid-and Far-Infrared Two-Color Femtosecond Pulses in Air
... Department of Physics, Chalmers University of Technology, Göteborg, Sweden 4 Institut Lumière Matière, UMR 5306 Université Lyon 1 - CNRS, Université de Lyon, Villeurbanne, France Contact Email: ... Voir le document complet
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THz Emissions from Air-Plasmas Created by Mid-and Far-Infrared Two-Color Femtosecond Pulses
... study THz emission by two-color femtosecond filaments in air using mid- to far-infrared pump ...laser pulses can produce THz fields with ... Voir le document complet
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Broadband terahertz radiation from two-color mid- and far-infrared laser filaments in air
... optical and THz field patterns at the dis- tance of maximum THz ...that of maximum plasma generation, close to ...[29] and they form a broader su- percontinuum through the plasma ... Voir le document complet
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Coherent control of boosted terahertz radiation from air plasma pumped by femtosecond three-color sawtooth field
... Conclusion In conclusion, we demonstrated a simple and robust inline optical setup enabling precise control of the relative phases between three harmonic femtosecond laser fields, providing a ... Voir le document complet
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Spectral dynamics of THz pulses generated by two-color laser filaments in air: the role of Kerr nonlinearities and pump wavelength
... Wahlstrand, and H. M. Milchberg, “Measurements of the nonlinear refractive index of air constituents at mid-infrared wavelengths,” ...light pulses proceed from the ... Voir le document complet
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Coherent Secondary Radiation from Femtosecond Laser Filaments
... ] and earth sciences [ Waters 06 ]. THz waves provide a useful diagnostic tool for quality control [ Hu 95 ], restoration of objects of cultural her- itage [ Jackson 08 , Fillippidis 12 ], ... Voir le document complet
165
Impact of the pump wavelength in THz emissions by two-color femtosecond laser filaments in air
... variety of applications, from supercontinuum generation to lightning control ...[1]. In air, femtosecond filaments result from the self-focusing of ultrashort light ... Voir le document complet
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THz emissions by two-color filaments in air: Revisiting the wavelength scaling
... (260.3090) Infrared, far. 1. Intr oduction Producing terahertz (THz) radiation by ultrashort laser pulses has become an active f eld of research because of its promising ... Voir le document complet
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THz and far-infrared radiation from ionizing multi-color pulses
... example, in time-domain spectroscopy, biomedical imaging or security screening ...generate THz radiation, focusing intense two-color femtosecond pulses in ... Voir le document complet
2
Control of atomic single and double ionization dynamics using orthogonally polarized two-color laser pulses
... Angstrom and attosecond control of free electron wave packets is one of the pinnacles of attosecond ...polarized two- color (OTC) laser fields allow to control the motion ... Voir le document complet
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Amorphization in crystalline tellurium by femtosecond pulses
... result of thermal melting. To further determine the mechanism of the melting, we varied the temporal profile of the optical ...pulse and found the amorphization process was not very sensitive ... Voir le document complet
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Production and study of triply charged diatomic ions with femtosecond pulses: Application to Cl₂³⁺
... spectrum of Cl 2 3+ would be to use a long, chirped probe pulse with very weak ...ionization of progressively lower states. As the frequency of the laser increases, the position of resonance ... Voir le document complet
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THz optical pulses from a coupled-cavity quantum-dot laser
... demonstration in 2001 [1] , passive mode-locking of quantum-dot (QD) lasers has attracted much more attention [ 2–4 ...[5] and fast carrier dynamics [6] of QDs, the resulting lasers are ... Voir le document complet
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Photoelectron angular distributions from the ionization of xenon Rydberg states by mid-infrared radiation
... obtained from counting the minima in the angular distribution as given by the TDSE ...0 and more specifically the angular momentum always differs by ...oscillations in the angular distribution ... Voir le document complet
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Fabrication and Characterization of Fiber Optical Components for Application in Guiding, Sensing and Molding of THz and Mid-IR Radiation
... The THz radiation is focused into the fiber with the parabolic mirror (Fig ...focusing of a Gaussian beam leads to a frequency-dependent beam size that is approximately given by: d 0 4 F ( ... Voir le document complet
129
Radiofrequency conical emission from femtosecond filaments in air
... dependence of the spectral amplitude at 140 MHz as a function of applied ...distance of 14 cm from the other ...field of 330 V/cm in a single electrode configuration), the signal ... Voir le document complet
5
Two types of all-optical magnetization switching mechanisms using femtosecond laser pulses
... presented in this paper for GdFeCo alloy films are fully consistent with the previous data and the model proposed ...Pt/Co/Pt and TbCo ...origin of the magnetization evolution in the ... Voir le document complet
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Femtosecond streaking in ambient air
... that of the driving ...argued in Ref. [ 22 ], electron scattering with neighboring atoms and ions in ambient-air plasma may significantly impact the induced transient current, ... Voir le document complet
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Air-clad silicon pedestal structures for broadband mid-infrared microphotonics
... 220.4000. Mid-infrared (mid-IR) silicon photonic circuits with broad mid-IR transparency (up to λ 8 μm), CMOS com- patibility, and robust mechanical/chemical properties [1 – 3], have ... Voir le document complet
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Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas
... sensitivity of THz emitters with respect to the interaction conditions, we can wonder whether the seem- ingly contradiction between a λ 2 scaling expected from pho- tocurrents and the steeper ... Voir le document complet
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