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Related papers: A laser-driven mixed fuel nuclear fusion micro-rea…

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The main aim of this paper is to solve the technological problems of the TWR based on the technical concept described in our priority of invention reference, which makes it impossible, in particular, for the fuel claddings damaging doses of…

We present hybrid PIC simulations of fast electron transport and energy deposition in pre-compressed fusion targets, taking full account of collective magnetic effects and the hydrodynamic response of the background plasma. Results on…

Plasma Physics · Physics 2009-11-13 J. J. Honrubia , J. Meyer-ter-Vehn

A new scheme of proton acceleration from a laser-driven near-critical-density plasma is proposed. Plasma with a tailored density profile allows a two-stage acceleration of protons. The protons are pre-accelerated in the laser-driven…

Plasma Physics · Physics 2019-02-13 Y. Wan , I. A. Andriyash , J. F. Hua , C. -H. Pai , W. Lu , W. B. Mori , C. Joshi , V. Malka

Relativistic electrons colliding with intense counterpropagating laser pulses are expected to lose energy through radiation reaction. However, we reveal a counterintuitive regime where reflected leptons (including incident electrons,…

Plasma Physics · Physics 2025-04-28 Xiaofei Shen , Yue-Yue Chen , Karen Z. Hatsagortsyan , Christoph H. Keitel

We have developed an original setup using microfluidic tools allowing one to produce continuously monodisperse microreactors ($\approx 100$ nL), and to control their temperatures as they flow in the microdevice. With a specific…

Soft Condensed Matter · Physics 2009-11-11 Philippe Laval , Jean-Baptiste Salmon , Mathieu Joanicot

In "arXiv:2312.13429" Lackner et al. use standard methods to decide if it is possible to ignite mixed fuels. They correctly identify that the increased radiation losses make ignition significantly more challenging than for pure DT fuels,…

Plasma Physics · Physics 2025-09-26 Hartmut Ruhl , Georg Korn

Recent progress towards the non-fission ignition of thermonuclear micro-explosions raises the prospect for a revival of the nuclear bomb propulsion idea, both for the fast transport of large payloads within the solar system and the launch…

Plasma Physics · Physics 2008-03-27 F. Winterberg

Ultra-low emittance (tens of nm) beams can be generated in a plasma accelerator using ionization injection of electrons into a wakefield. An all-optical method of beam generation uses two laser pulses of different colors. A long-wavelength…

We present an experimental apparatus to control and visualize the response of a liquid target to a laser-induced vaporization. We use a millimeter-sized drop as target and present two liquid-dye solutions that allow a variation of the…

Instrumentation and Detectors · Physics 2017-09-11 Alexander L. Klein , Detlef Lohse , Michel Versluis , Hanneke Gelderblom

We demonstrate that laser reflection acts as a catalyst for superponderomotive electron production in the preplasma formed by relativistic multipicosecond lasers incident on solid density targets. In 1D particle-in-cell simulations, high…

Plasma Physics · Physics 2020-01-06 Kathleen Weichman , Alexander P. L. Robinson , Farhat N. Beg , Alexey V. Arefiev

In a conventional light water reactor loaded with a range of uranium and plutonium-based fuel mixtures, the variation in antineutrino production over the cycle reflects both the initial core fissile inventory and its evolution. Under the…

Nuclear Experiment · Physics 2018-01-17 Adam Bernstein , Nathaniel Bowden , Anna Erickson

High-quality and prebunched electron beams can produce coherent x-rays with high intensity and narrow bandwidth, which is essential for modern light sources. An all-optical scheme based on plasma-based acceleration to produce bright…

Ultra-intense MeV photon and neutron beams are indispensable tools in many research fields such as nuclear, atomic and material science as well as in medical and biophysical applications. For astrophysical applications aimed for laboratory…

Simultaneous strong coherent pumping of the two transitions of a V-level atom with very differentdecay rates has been predicted to create almost perfect inversion on the narrower transition. Usingthe example of the blue and red transitions…

Quantum Physics · Physics 2021-02-03 Christoph Hotter , David Plankensteiner , Helmut Ritsch

One of the biggest challenges of nanotechnology is the fabrication of nano-objects with perfectly controlled properties. Here we employ a focused laser beam both to characterize and to {\it in-situ} modify single semiconductor structures by…

Materials Science · Physics 2011-11-09 Armando Rastelli , Ata Ulhaq , Suwit Kiravittaya , Lijuan Wang , Artur Zrenner , Oliver G. Schmidt

Distributed combustion, often associated with the low-oxygen condition, offers ultra-low NOX emission. However, it was recently achieved without combustion air dilution or internal flue gas recirculation, using a distinct approach called…

Fluid Dynamics · Physics 2022-04-20 Dániel Füzesi , Milan Malý , Jan Jedelský , Viktor Józsa

We demonstrate a new concept for reconfigurable nanophotonic devices exploiting ultrafast nonlinear control of shaped wavefronts in a multimode nanomaterial consisting of semiconductor nanowires. Femtosecond pulsed laser excitation of the…

Optics · Physics 2014-09-30 Tom Strudley , Roman Bruck , Ben Mills , Otto L. Muskens

An ultracold electron source based on near-threshold photoionization of a laser-cooled and trapped atomic gas is presented in this work. Initial DC acceleration to $\sim$10 keV and subsequent acceleration of the created bunches to 100 keV…

Accelerator Physics · Physics 2023-07-07 D. F. J. Nijhof , P. H. A. Mutsaers , O. J. Luiten

A coated hollow core microsphere is introduced as a novel target in ultra-intense laser-matter interaction experiments. In particular, it facilitates staged laser-driven proton acceleration by combining conventional target normal sheath…

UZr based metallic nuclear fuel is the leading candidate for next-generation sodium-cooled fast reactors in the United States. US research reactors have been using and testing this fuel type since the 1960s and accumulated considerable…