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Author offers a revolutionary method non-rocket transfer of energy and thrust into Space with distance of millions kilometers. The author has developed theory and made the computations. The method is more efficient than transmission of…

General Physics · Physics 2007-05-23 Alexander Bolonkin

We present a time-dependent, end-to-end framework for laser power beaming from cislunar orbits to the lunar surface. The model links on-orbit generation (solar arrays and wall-plug to optical), terrain-masked visibility and range, beam…

Optics · Physics 2026-02-05 Slava G. Turyshev

We propose a new kind of interferometric array that yields images of high dynamic range and large field. The numerous individual apertures in this array form a pattern related to a Fresnel zone plate. This array can be used for…

Astrophysics · Physics 2009-11-11 L. Koechlin , D. Serre , P. Duchon

Most materials in available macroscopic quantities are polycrystalline. Graphene, a recently discovered two-dimensional form of carbon with strong potential for replacing silicon in future electronics, is no exception. There is growing…

Mesoscale and Nanoscale Physics · Physics 2010-09-28 Oleg V. Yazyev , Steven G. Louie

The temporal dynamics of charge carriers determines the speed with which electronics can be realized in condensed matter, and their direct manipulation with optical fields promises electronic processing at unprecedented petahertz…

Radiation Pressure Acceleration relies on high intensity laser pulse interacting with solid target to obtain high maximum energy, quasimonoenergetic ion beams. Either extremely high power laser pulses or tight focusing of laser radiation is…

A novel x-ray transmission window based on graphenic carbon has been developed with superior performance compared to beryllium transmission windows that are currently used in the field. Graphenic carbon in combination with an integrated…

Materials Science · Physics 2015-03-12 Sebastian Huebner , Natsuki Miyakawa , Stefan Kapser , Andreas Pahlke , Franz Kreupl

Effect of irradiation on graphene oxide by sunlight, UV light and KrF excimer laser has been investigated in detail. Both sunlight and ultraviolet light reduce graphene oxide well after prolonged irradiation, but laser irradiation produces…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Prashant Kumar , K. S. Subrahmanyam , C. N. R. Rao

Electrical space thrusters show important advantages for applications in outer space compared to chemical thrusters, as they allow a longer mission lifetime with lower weight and propellant consumption. Mature technologies on the market…

Accelerator Physics · Physics 2014-11-07 A. Aanesland , J. Bredin , L. Popelier , P. Chabert

We propose a new acceleration scheme that combines shock wave acceleration (SWA) and light pressure acceleration (LPA). When a thin foil driven by light pressure of an ultra-intense laser pulse propagates in underdense background plasma, it…

Plasma Physics · Physics 2015-06-15 Liangliang Ji , Alexander Pukhov , Baifei Shen

Graphene has been intensively studied in photovoltaics focusing on emerging solar cells based on thin films, dye-sensitized, quantum dots, nanowires, etc. However, the typical efficiency of these solar cells incorporating graphene are below…

The plasma lens concept is examined as an alternative to focusing horns and solenoids for a neutrino beam facility. The concept is based on a combined high-current lens/target configuration. Current is fed at an electrode located downstream…

Accelerator Physics · Physics 2008-11-26 A. Hershcovitch , W. Weng , M. Diwan , J. Gallardo , H. Kirk , B. Johnson , S. Kahn , E. Garate , A. Van Drie

We study the horizontal transport of ultracold atoms over macroscopic distances of up to 20 cm with a moving 1D optical lattice. By using an optical Bessel beam to form the optical lattice, we can achieve nearly homogeneous trapping…

Other Condensed Matter · Physics 2009-11-11 Stefan Schmid , Gregor Thalhammer , Klaus Winkler , Florian Lang , Johannes Hecker Denschlag

The radiation pressure acceleration (RPA) of charged particles has been considered a challenging task in laser particle acceleration. Laser-driven proton/ion acceleration has attracted considerable interests due to its underlying physics…

We report macroscopic sheets of highly conductive bilayer graphene with exceptionally high hole concentrations of ~ $10^{15}$ $cm^{-2}$ and unprecedented sheet resistances of 20-25 {\Omega} per square over macroscopic scales, and obtained…

The need for precise manipulation of nanoparticles in gaseous or near-vacuum environments is encountered in many studies that include aerosol morphology, nanodroplet physics, nanoscale optomechanics, and biomolecular physics. Photophoretic…

Graphene is expected to be rather insensitive to ionizing particle radiation. We demonstrate that single layers of exfoliated graphene sustain significant damage from irradiation with slow highly charged ions. We have investigated the ion…

Materials Science · Physics 2013-10-24 J. Hopster , R. Kozubek , B. Ban-d'Etat , S. Guillous , H. Lebius , M. Schleberger

Graphene plasmons provide a suitable alternative to noble-metal plasmons because they exhibit much larger confinement and relatively long propagation distances, with the advantage of being highly tunable via electrostatic gating. We report…

Mesoscale and Nanoscale Physics · Physics 2016-09-21 Frank H. L. Koppens , Darrick E. Chang , F. Javier Garcia de Abajo

Recent successes in the deployment of sails in space have reduced the risk associated with solar sailing missions. The attitude control requirements for a solar sailing mission is low with only slow attitude maneuvers needed to maintain a…

Space Physics · Physics 2019-11-19 Hendrik Willem Jordaan , Willem Herman Steyn

Near Earth Asteroids have a possibility of impacting with the Earth and always have a thread on the Earth. This paper proposes a way of changing the trajectory of the asteroid to avoid the impaction. Solar sail evolving in a H-reversal…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 Shengping Gong , Junfeng Li , Xiangyuan Zeng
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