Stable ion radiation pressure acceleration with intense laser pulses

2011 ◽  
Vol 53 (12) ◽  
pp. 124009 ◽  
Author(s):  
B Qiao ◽  
M Geissler ◽  
S Kar ◽  
M Borghesi ◽  
M Zepf
Keyword(s):  
Radiation Pressure ◽  
Laser Pulses ◽  
Intense Laser ◽  
Intense Laser Pulses

scholarly journals Reducing ion energy spread in hole-boring radiation pressure acceleration by using two-ion-species targets

2015 ◽  
Vol 33 (1) ◽  
pp. 103-107 ◽  
Author(s):  
S. M. Weng ◽  
M. Murakami ◽  
Z. M. Sheng
Keyword(s):  
Radiation Pressure ◽  
Laser Pulses ◽  
Ion Beams ◽  
Energy Spread ◽  
Intense Laser ◽  
Ion Energy ◽  
Fast Ions ◽  
Intense Laser Pulses ◽  
Fast Ion ◽  
Ion Species

AbstractThe generation of fast ion beams in the hole-boring radiation pressure acceleration by intense laser pulses has been studied for targets with different ion components. We find that the oscillation of the longitudinal electric field for accelerating ions can be effectively suppressed by using a two-ion-species target, because fast ions from a two-ion-species target are distributed into more bunches and each bunch bears less charge. Consequently, the energy spread of ion beams generated in the hole-boring radiation pressure acceleration can be greatly reduced down to 3.7% according to our numerical simulation.

scholarly journals Generation of high-energy mono-energetic heavy ion beams by radiation pressure acceleration of ultra-intense laser pulses

2014 ◽  
Vol 21 (12) ◽  
pp. 123118 ◽  
Author(s):  
D. Wu ◽  
B. Qiao ◽  
C. McGuffey ◽  
X. T. He ◽  
F. N. Beg
Keyword(s):  
Radiation Pressure ◽  
Laser Pulses ◽  
Heavy Ion ◽  
High Energy ◽  
Ion Beams ◽  
Intense Laser ◽  
Intense Laser Pulses

scholarly journals Effect of target composition on proton acceleration by intense laser pulses in the radiation pressure acceleration regime

2011 ◽  
Vol 29 (1) ◽  
pp. 11-16 ◽  
Author(s):  
K.H. Pae ◽  
I.W. Choi ◽  
J. Lee
Keyword(s):  
Energy Spectrum ◽  
Radiation Pressure ◽  
Laser Pulses ◽  
High Energy ◽  
Intense Laser ◽  
Carbon Ions ◽  
Proton Acceleration ◽  
Acceleration Mechanism ◽  
Target Composition ◽  
Intense Laser Pulses

AbstractThe characteristics of high energy protons generated from thin carbon-proton mixture targets via circularly polarized intense laser pulses are investigated using two-dimensional particle-in-cell simulations. It is found that the density ratio n between protons and carbon ions plays a key role in determining the acceleration dynamics. For low n values, the protons are mainly accelerated by the radiation pressure acceleration mechanism, resulting in a quasi-monoenergetic energy spectrum. The radiation pressure acceleration mechanism is enhanced by the directed-Coulomb-explosion of carbon ions which gives a high proton maximum energy, though a large energy spread, for high n values. From a proton acceleration point of view, the role of heavy ions is very important. The fact that the proton energy spectrum is controllable based on the target composition is especially useful in real experimental environments.

scholarly journals High laser induced damage threshold photoresists for nano-imprint and 3D multi-photon lithography

Nanophotonics ◽  
2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Elmina Kabouraki ◽  
Vasileia Melissinaki ◽  
Amit Yadav ◽  
Andrius Melninkaitis ◽  
Konstantina Tourlouki ◽  
...  
Keyword(s):  
Nanoimprint Lithography ◽  
Three Dimensional ◽  
Damage Threshold ◽  
Laser Pulses ◽  
Intense Laser ◽  
Optical Elements ◽  
Photonic Circuits ◽  
Future Production ◽  
Intense Laser Pulses ◽  
Laser Induced Damage

Abstract Optics manufacturing technology is predicted to play a major role in the future production of integrated photonic circuits. One of the major drawbacks in the realization of photonic circuits is the damage of optical materials by intense laser pulses. Here, we report on the preparation of a series of organic–inorganic hybrid photoresists that exhibit enhanced laser-induced damage threshold. These photoresists showed to be candidates for the fabrication of micro-optical elements (MOEs) using three-dimensional multiphoton lithography. Moreover, they demonstrate pattern ability by nanoimprint lithography, making them suitable for future mass production of MOEs.

scholarly journals Precise description of single and double ionization of hydrogen molecule in intense laser pulses

2012 ◽  
Vol 137 (4) ◽  
pp. 044112 ◽  
Author(s):  
Mohsen Vafaee ◽  
Firoozeh Sami ◽  
Babak Shokri ◽  
Behnaz Buzari ◽  
Hassan Sabzyan
Keyword(s):  
Hydrogen Molecule ◽  
Laser Pulses ◽  
Double Ionization ◽  
Intense Laser ◽  
Precise Description ◽  
Intense Laser Pulses

scholarly journals Concept of generation of extremely compressed high-energy electron bunches in several interfering intense laser pulses with tilted amplitude fronts

2012 ◽  
Vol 31 (1) ◽  
pp. 23-28 ◽  
Author(s):  
V.V. Korobkin ◽  
M.Yu. Romanovskiy ◽  
V.A. Trofimov ◽  
O.B. Shiryaev
Keyword(s):  
Laser Pulses ◽  
High Energy ◽  
Intense Laser ◽  
High Energy Electron ◽  
Speed Of Light ◽  
Electron Bunches ◽  
Newton Equation ◽  
High Energies ◽  
Neutral Gas ◽  
Intense Laser Pulses

AbstractA new concept of generating tight bunches of electrons accelerated to high energies is proposed. The electrons are born via ionization of a low-density neutral gas by laser radiation, and the concept is based on the electrons acceleration in traps arising within the pattern of interference of several relativistically intense laser pulses with amplitude fronts tilted relative to their phase fronts. The traps move with the speed of light and (1) collect electrons; (2) compress them to extremely high density in all dimensions, forming electron bunches; and (3) accelerate the resulting bunches to energies of at least several GeV per electron. The simulations of bunch formation employ the Newton equation with the corresponding Lorentz force.

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