000151970 001__ 151970
000151970 005__ 20210129213629.0
000151970 0247_ $$2doi$$a10.1117/12.2017254
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000151970 037__ $$aFZJ-2014-01797
000151970 1001_ $$0P:(DE-HGF)0$$aGopal, Amrutha$$b0$$eCorresponding Author
000151970 1112_ $$aSPIE Optics + Optoelectronics$$cPrague$$d2013-04-15 - 2013-04-18$$wCzech Republic
000151970 245__ $$a700μJ THz pulses from a laser-driven particle accelerator
000151970 260__ $$aWashington, DC$$bSociety of Photo-Optical Instrumentation Engineers (SPIE)$$c2013
000151970 29510 $$aSPIE Proceedings, Volume 8779, Laser Acceleration of Electrons, Protons, and Ions II; and Medical Applications of Laser-Generated Beams of Particles II; and Harnessing Relativistic Plasma Waves III
000151970 300__ $$a123-150
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000151970 520__ $$aHere we report a laser plasma-driven source of T-rays with the highest pulse energy ever recorded in a laboratory. T-rays are emitted from therear surface of a solid target in the non-collinear direction at incident laser intensities ~ 10^19 W/cm^2. Pulse energy measurements reported T-ray pulses with peak energies no less than 700 μJ. Temporal measurements using a single-shot electro-optic method showed the presence of sub-picosecond T-ray pulseswith 570 fs duration, thus rendering the peak-power of the source higher even than that of state-of-the-art synchrotrons. A conversion efficiencyof higher than 10^-3 and an average power of 7 mW makes it the most efficient compact and powerful THz source known today. Spectral analysis revealed the presences of frequencies ranging from 0.1 - 133 THz, while most of the energy is localised in the low frequency region. The dependence of T-ray yield on incident laser energy is linear and shows no signs of saturation. The spatial distribution of the recorded T-rays indicates that most of the T-rays are emitted in the non-collinear direction from the rear-surface of a solid target and the contribution in the forward direction is very small. 2D particle-in-cellsimulations show the presence of transient current at the target rear surface.
000151970 536__ $$0G:(DE-HGF)POF2-411$$a411 - Computational Science and Mathematical Methods (POF2-411)$$cPOF2-411$$fPOF II$$x0
000151970 536__ $$0G:(DE-Ds200)HGF-IVF-HA-216$$aEMMI - Helmholtz-Allianz 'Kosmische Materie im Labor', Extreme Matter Institute (HGF-IVF-HA-216)$$cHGF-IVF-HA-216$$x1
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000151970 7001_ $$0P:(DE-HGF)0$$aMay, Torsten$$b1
000151970 7001_ $$0P:(DE-HGF)0$$aSingh, Pushkar$$b2
000151970 7001_ $$0P:(DE-HGF)0$$aHerzer, Sven$$b3
000151970 7001_ $$0P:(DE-HGF)0$$aZiegler, Wolfgang$$b4
000151970 7001_ $$0P:(DE-HGF)0$$aPaulus, Gerhard G.$$b5
000151970 7001_ $$0P:(DE-HGF)0$$aSchmidt, Albrecht$$b6
000151970 7001_ $$0P:(DE-HGF)0$$aReinhard, Andreas$$b7
000151970 7001_ $$0P:(DE-HGF)0$$aDillner, Ulrich$$b8
000151970 7001_ $$0P:(DE-HGF)0$$aMeyer, Hans-Georg$$b9
000151970 7001_ $$0P:(DE-Juel1)132156$$aKarmakar, Anupam$$b10
000151970 7001_ $$0P:(DE-Juel1)143606$$aBrömmel, Dirk$$b11
000151970 7001_ $$0P:(DE-Juel1)132115$$aGibbon, Paul$$b12
000151970 773__ $$a10.1117/12.2017254
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000151970 9132_ $$0G:(DE-HGF)POF3-511$$1G:(DE-HGF)POF3-510$$2G:(DE-HGF)POF3-500$$aDE-HGF$$bKey Technologies$$lSupercomputing & Big Data $$vComputational Science and Mathematical Methods$$x0
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000151970 9141_ $$y2014
000151970 9201_ $$0I:(DE-Juel1)JSC-20090406$$kJSC$$lJülich Supercomputing Center$$x0
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