• No results found

intense terahertz laser radiation

Intense terahertz radiation from relativistic laser–plasma interactions

Intense terahertz radiation from relativistic laser–plasma interactions

... THz radiation generated from relativistic laser-solid interactions have been ...THz radiation properties and the underlying generation mechanisms are found to be critically dependent on the ...

14

Study of backward terahertz radiation from intense picosecond laser-solid interactions using a multichannel calorimeter system

Study of backward terahertz radiation from intense picosecond laser-solid interactions using a multichannel calorimeter system

... THz radiation due to LMC [7] ...on intense laser– plasma interactions ...in intense laser–plasma interactions can reach tens of THz [6, 7] ...

8

High-energy coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator

High-energy coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator

... by laser-wakefield accelerators are potentially novel, scalable sources of high-power terahertz radiation suitable for applications requiring high-intensity ...an intense laser pulse ...

11

Coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator

Coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator

... foil. Intense THz radiation can also be produced using the low-energy, high-charge electrons that laser-wakefield accelerators emit over a wide-angle cone around the laser propagation ...

7

Highly efficient terahertz radiation from a thin foil irradiated by a high-contrast laser pulse

Highly efficient terahertz radiation from a thin foil irradiated by a high-contrast laser pulse

... THz radiation from laser interaction with thin-solid target has been demonstrated ...mJ laser interaction with 2 m  thick Cu target, THz radiation with ...with laser-to-THz ...

16

Bursts of terahertz radiation from large-scale plasmas irradiated by relativistic picosecond laser pulses

Bursts of terahertz radiation from large-scale plasmas irradiated by relativistic picosecond laser pulses

... The terahertz (THz) radiation, which lies between far infrared wave and microwave in the electromagnetic spectrum, has attracted increasing interest over the last decades for its wide range of promising ...

11

Demonstration of coherent terahertz transition radiation from relativistic laser-solid interactions

Demonstration of coherent terahertz transition radiation from relativistic laser-solid interactions

... of intense laser pulses with low-density gas or high-density solid ...transition radiation [13]. Strong THz radiation from laser-solid interactions has also been demonstrated ...THz ...

13

High-field half-cycle terahertz radiation from relativistic laser interaction with thin solid targets

High-field half-cycle terahertz radiation from relativistic laser interaction with thin solid targets

... strong terahertz (THz) radiation with field strength as high as over 1MV/cm, either by use of short electron bunches or by use of ultrashort laser pulses ...THz radiation produced by ...

14

Study of backward terahertz radiation from intense picosecond laser-solid interactions using a multichannel calorimeter system

Study of backward terahertz radiation from intense picosecond laser-solid interactions using a multichannel calorimeter system

... pre-plasma, laser absorption efficiency will be significantly improved by laser self-focusing and filament effects [39, 40] ...improved laser absorption ...

7

Effects of target pre-heating and expansion on terahertz radiation production from intense laser-solid interactions

Effects of target pre-heating and expansion on terahertz radiation production from intense laser-solid interactions

... account of the diagnostic acceptance solid angle and the attenuations of the lens, window, and filters). The shot-to- shot reproducibility of the signal was checked over a series of laser shots on the same target ...

6

Exotic dense matter states pumped by relativistic laser plasma in the radiation dominant regime

Exotic dense matter states pumped by relativistic laser plasma in the radiation dominant regime

... (7.9 to 8.3 ˚ A) results from a similar radiative decay process, except that in this case the initial state has only one K-shell vacancy. This emission occurs at slightly later times, when the electron density is smaller ...

14

Impact of damping on superconducting gap oscillations induced by intense Terahertz pulses

Impact of damping on superconducting gap oscillations induced by intense Terahertz pulses

... an intense THz pump, weak THz probe ultrafast spec- troscopy ...The intense THz pump pulses were generated by the tilted- pulse-front phase matching through a ...

7

Intense intermittent radiation at the plasma frequency on EAST

Intense intermittent radiation at the plasma frequency on EAST

... the intense bursts in the ECE frequency range correlated with edge-localized modes (ELMs), and this phenomenon has been re- ported widely in JET[15], TFTR[16, 17], DIII-D[18], and ...Besides, intense ...

8

Super-Intense Laser-Matter Interactions (SILMI)

Super-Intense Laser-Matter Interactions (SILMI)

... super-intense laser pulses and the planned development of new large-scale and medium-size facilities dedicated to the generation of laser radiation with unprecedented capabilities calls for a ...

8

Impact of damping on the superconducting gap dynamics induced by intense terahertz pulses

Impact of damping on the superconducting gap dynamics induced by intense terahertz pulses

... (Received 25 April 2018; revised manuscript received 14 January 2019; published 5 August 2019) We investigate the interplay between coherent gap dynamics and damping in superconductors taken out of equilibrium by strong ...

14

Exotic dense matter states pumped by relativistic laser plasma in the radiation dominant regime

Exotic dense matter states pumped by relativistic laser plasma in the radiation dominant regime

... Preliminary time-dependent calculations using a simplified atomic model were performed to determine the bulk plasma conditions. We then performed detailed steady-state calcu- lations at various plasma conditions to ...

15

Radiation pressure-driven plasma surface dynamics in ultra-intense laser pulse interactions with ultra-thin foils

Radiation pressure-driven plasma surface dynamics in ultra-intense laser pulse interactions with ultra-thin foils

... Simulations were performed using the fully relativistic 2D EPOCH PIC code [29] to investigate how the PCDS dynamics differ over a range of target thicknesses. In the case of the thinnest target considered (l = 10 nm), ...

11

X-ray spectroscopy of super-intense laser-produced plasmas for the study of nonlinear processes. Comparison with PIC simulations

X-ray spectroscopy of super-intense laser-produced plasmas for the study of nonlinear processes. Comparison with PIC simulations

... high laser intensity 3 10 18 Wcm -2 . With similar laser intensities, we reveal also the nonlinear phenomenon of the Second Harmonic Generation (SHG) of the laser frequency by analyzing the nonlinear ...

8

Hemodynamic Changes Caused by Exposure of Animals with Acute Immobilization Stress to Continuous Terahertz Radiation

Hemodynamic Changes Caused by Exposure of Animals with Acute Immobilization Stress to Continuous Terahertz Radiation

... continuous terahertz radiation with frequencies equal to absorption and emission frequencies of nitrogen oxide ...using terahertz electromagnetic radiation with frequencies equal to absorption ...

7

Modeling and calculation of the control 
		unit for the focus position at laser field welding

Modeling and calculation of the control unit for the focus position at laser field welding

... of laser-field welding requires monitoring not only the energy parameters of radiation and the intensity of the electrostatic field, but also the position of the focal ...the laser radiation ...

7

Show all 10000 documents...

Related subjects