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[PDF] Top 20 Terahertz Radiation from Laser Induced Plasmas

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Terahertz Radiation from Laser Induced Plasmas

Terahertz Radiation from Laser Induced Plasmas

... HAL Id: hal-01545493 https://hal.archives-ouvertes.fr/hal-01545493 Submitted on 22 Jun 2017 HAL is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, whether ... Voir le document complet

3

Dynamics of UV short pulse laser-induced plasmas from a ceramic material “titanium carbide”: a hydrodynamical out of equilibrium investigation

Dynamics of UV short pulse laser-induced plasmas from a ceramic material “titanium carbide”: a hydrodynamical out of equilibrium investigation

... rates induced under the same conditions from a pure titanium ...of laser induced plasmas from a ceramic ...of laser induced plumes under the same conditions ... Voir le document complet

25

Terahertz emission from laser-driven gas-plasmas: a plasmonic point of view

Terahertz emission from laser-driven gas-plasmas: a plasmonic point of view

... in laser-induced gas- ...the terahertz emission spectra ...significant terahertz pulse shortening and spectral broadening can be achieved by exploiting the transverse driving laser beam ... Voir le document complet

7

Theory of terahertz emission from femtosecond-laser-induced micro-plasmas

Theory of terahertz emission from femtosecond-laser-induced micro-plasmas

... diation from femtosecond laser-induced gas plasmas by means of theoretical modeling and numerical ...electric laser field (IC) as well as ponderomotive, radiation pressure, ... Voir le document complet

20

Strong Enhancement of Terahertz Radiation from Laser Filaments in Air by a Static Electric Field

Strong Enhancement of Terahertz Radiation from Laser Filaments in Air by a Static Electric Field

... the laser intensity in the ...one induced by the static transverse field E 2 ...resulting from their superposition, one can estimate the relative strength of the two fields, and deduce the ... Voir le document complet

6

Resonant Effects in Terahertz Generation with Laser-Induced Gas Plasmas

Resonant Effects in Terahertz Generation with Laser-Induced Gas Plasmas

... Resonant Effects in Terahertz Generation with Laser-Induced Gas Plasmas I. Thiele 1,2 , B. Zhou 3 , A. Nguyen 4 , E. Smetanina 1,5 , R. Nuter 1 , P. González de Alaiza Martínez 1 , K. J. ... Voir le document complet

3

Terahertz spectroscopy from air plasmas created by two-color femtosecond laser pulses: The ALTESSE project

Terahertz spectroscopy from air plasmas created by two-color femtosecond laser pulses: The ALTESSE project

... Terahertz spectroscopy from air plasmas created by two-color femtosecond laser pulses: The ALTESSE project L. Berg´ e 1 , K. Kaltenecker 2 , S. Engelbrecht 3 , A. Nguyen 1 , S. Skupin 4 , L. ... Voir le document complet

8

Broadband terahertz emission from two-color femtosecond-laser-induced microplasmas

Broadband terahertz emission from two-color femtosecond-laser-induced microplasmas

... THz radiation is to employ laser-induced gas plasmas [ 4 , 5 ...exploit laser-induced microplasmas [ 6 ] that allow to use smaller driving ...to laser intensities above 10 ... Voir le document complet

13

Broadband terahertz radiation from two-color mid- and far-infrared laser filaments in air

Broadband terahertz radiation from two-color mid- and far-infrared laser filaments in air

... are indicated by gray lines. creasing the pump wavelength, longer filaments form (see also [27]). Due to the smaller Rayleigh range, the 10.6- µm pump pulse starts its self-focusing sequence earlier. Figure 1(e) ... Voir le document complet

6

Plasmonic Resonances Affecting Terahertz Generation in Laser-Induced Gas-Plasmas

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, whether ... Voir le document complet

2

Direct modulation and bandwitdh measurement of terahertz quantum cascade laser

Direct modulation and bandwitdh measurement of terahertz quantum cascade laser

... Cascade Laser, Modulation, Modelling ...improved. Terahertz QCL working above liquid nitrogen temperature, 2, 3 and even at room temperature by intracavity difference-frequency generation, have been ... Voir le document complet

10

Coherent control of boosted terahertz radiation from air plasma pumped by femtosecond three-color sawtooth field

Coherent control of boosted terahertz radiation from air plasma pumped by femtosecond three-color sawtooth field

... femtosecond laser fields, providing a sawtooth- like ...femtosecond laser pulses at 800 nm. It was observed that the THz radiation amplitude produced in air with this phase-optimized three-color ... Voir le document complet

20

Terahertz radiation for the characterization of plasmonic nanoparticles and its biomedical applications.

Terahertz radiation for the characterization of plasmonic nanoparticles and its biomedical applications.

... 4 CONCLUSION Photoexcitation of light-sensitive agents, such as nanoparticles (NPs) introduced into the human body, can affect biological tissue and cells in various ways. Chemical reactions (photochemical), biological ... Voir le document complet

173

Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas

Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas

... expected from pho- tocurrents and the steeper increase reported in [3, 10] follows from inconsistencies in the beam spatial diameters and pulse du- rations that may vary a lot in OPAs [ 11 ...the ... Voir le document complet

5

Generation of intense terahertz sources by ultrashort laser pulses

Generation of intense terahertz sources by ultrashort laser pulses

... 1.5-cm laser spark formed near the geometrical focus locates the emitted THz radiation, which is collimated using an off-axis parabolic mirror ...frequency-angular terahertz spectrum, a Michelson ... Voir le document complet

249

Towards compact efficient fs-laser-induced THz sources from microplasmas

Towards compact efficient fs-laser-induced THz sources from microplasmas

... In the strongest focusing case, the only 10-µm-long microplasma acts as a point-like source for THz wave- lengths. Its torus-shaped radiation profile is sketched in Fig. 1 (a-b), where the fundamental harmonic ... Voir le document complet

2

Short-pulse laser-produced plasmas

Short-pulse laser-produced plasmas

... in laser science and optical technologies have opened new possibilities in the study of laser-produced ...trafast laser physics. The interactions of ultra high-intensity laser pulses with ... Voir le document complet

17

New Journal of Physics Mechanisms of forward laser harmonic emission from thin overdense plasmas

New Journal of Physics Mechanisms of forward laser harmonic emission from thin overdense plasmas

... distributions ( J y (x, t) in the boosted frame) in these two cases. high frequencies in the light spectrum: this effect thus corresponds to the usual Doppler upshift induced by a relativistic motion of the ... Voir le document complet

14

Amplification of transition-Cherenkov terahertz radiation of femtosecond filament in air

Amplification of transition-Cherenkov terahertz radiation of femtosecond filament in air

... emission from laser filament is enhanced by three orders of magnitude if one applies a static electric field along the filament ...angular radiation pattern and the polarization characteristics of ... Voir le document complet

11

Space and time characterization of laser-induced plasmas for applications in chemical analysis and thin film deposition

Space and time characterization of laser-induced plasmas for applications in chemical analysis and thin film deposition

... estimated from its shape (hemispherical, conical, ...after laser shots and for the three ambient gases ...after laser shots, which is simply due to ... Voir le document complet

166

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