New aspects for fusion energy using inertial confinement

Hora, Heinrich

doi:10.1017/s0263034607070073

Cited by 144 publications

(49 citation statements)

References 55 publications

(17 reference statements)

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“…The nearly neutral high-energy plasma block produced in this paper could be an ideal tool to compress the solid state deuterium and tritium. 34,35 Besides, the results are also useful in neutral particle injection, 36 where the high-current-density ion beams are indispensable in generating of neutral particle beams with high energies. …”

Section: -6mentioning

confidence: 99%

Improving the quality of proton beams via double targets driven by an intense circularly polarized laser pulse

Wang

et al. 2016

AIP Advances

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A new scheme is proposed to improve the quality of proton beams via ultra-intense laser pulse interacting with double plasma targets, which consist of a pre-target with relatively low density and a main target with high density. Both one- and two-dimensional Particle-in-Cell simulations show that, the using of an appropriate pre-target can help to obtain a much stronger longitudinal charge separation field in contrast to using only the main target. And proton beam with lower momentum divergence, better monochromaticity and collimation, as well as higher current density is generated. Moreover, due to the strengthened coupling between the laser pulse and targets, the energy conversion from laser pulse to protons is also increased.

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Section: -6mentioning

confidence: 99%

Improving the quality of proton beams via double targets driven by an intense circularly polarized laser pulse

Wang

et al. 2016

AIP Advances

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“…The use of these extremely intense ion currents for fusion energy generation was mentioned before (Hora, 2003(Hora, , 2007Hora et al, 2005;Osman et al, 2004). This is similar to the very high gain laser fusion energy scheme of Nuckolls and Wood (2005), by using very intense 5 MeV electron beams produced by 10 PW/ps laser pulses.…”

Section: Introductionmentioning

confidence: 77%

Layers from initial Rayleigh density profiles by directed nonlinear force driven plasma blocks for alternative fast ignition

et al. 2009

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Measurement of extremely new phenomena during the interaction of laser pulses with terawatt and higher power and picoseconds with plasmas arrived at drastically different anomalies in contrast to the usual observations if the laser pulses were very clean with a contrast ratio higher than 10 8 . This was guaranteed by the suppression of prepulses during less than dozens of ps before the arrival of the main pulse resulting in the suppression of relativistic selffocusing. This anomaly was confirmed in many experimental details, and explained and numerically reproduced as a nonlinear force acceleration of skin layers generating quasi-neutral plasma blocks with ion current densities above 10 11 A/cm 2 . This may support the requirement to produce a fast ignition deuterium tritium fusion at densities not much higher than the solid state by a single shot PW-ps laser pulse. With the aim to achieve separately studied ignition conditions, we are studying numerically how the necessary nonlinear force accelerated plasma blocks may reach the highest possible thickness by using optimized dielectric properties of the irradiated plasma. The use of double Rayleigh initial density profiles results in many wavelength thick low reflectivity directed plasma blocks of modest temperatures. Results of computations with the genuine two-fluid model are presented.

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“…These evidences and some more researches at LLNL in Livermore, CA, and ILE in Rochester, NY, see Ref. [13], proved the advantages of volume compression and volume ignition of laserirradiated fusion pellets against spark ignition [14,15].…”

Section: Volume Ignition and Associated Calculationsmentioning

confidence: 88%