High/low pulse generation of deadbeat based high power DC-DC converter with very short rise time

2016 ◽  
Author(s):  
Seiya Mizushima ◽  
Hiromi Adachi ◽  
Atsuo Kawamura ◽  
Itsuo Yuzurihara ◽  
Ryosuke Ohma
Keyword(s):  
High Power ◽  
Rise Time ◽  
Pulse Generation ◽  
Short Rise Time

scholarly journals Electron energy spectrum produced by stochastic acceleration in the laser–plasma interaction

2017 ◽  
Vol 35 (2) ◽  
pp. 265-273 ◽  
Author(s):  
E. Khalilzadeh ◽  
A. Chakhmachi ◽  
J. Yazdanpanah
Keyword(s):  
Energy Spectrum ◽  
Laser Pulse ◽  
Rise Time ◽  
Wave Breaking ◽  
Boundary Effect ◽  
Maximum Energy ◽  
Intense Laser ◽  
Stochastic Acceleration ◽  
Direct Laser ◽  
Short Rise Time

AbstractIn this paper, the electrons energy spectrum produced by stochastic acceleration in the interaction of an intense laser pulse with the underdense plasma is described by employing the fully kinetic 1D-3 V particle-in-cell simulation. In this way, two finite laser pulses with the same length 200 fs and with two different rise times 30 and 60 fs are typically selected. It is shown that the maximum energy of electrons in the laser pulse with the short rise time (30 fs) is about eight times greater than the maximum energy of the electrons with the long rise time (60 fs). Furthermore, unlike the pulse with the short rise time, the shape of energy spectrum and the electrons temperature in the long rise time laser pulse are approximately unchanged over the time. These results originated from the fact that in the case of long rise time laser pulse, all electrons are accelerated by the one chaotic mechanism because of the scattered fields generated in the plasma, but in the case of short rise time laser pulse, three different mechanisms accelerate the electrons: first, the stochastic acceleration because of the nonlinear wave breaking via plasma-vacuum boundary effect; second, the stochastic acceleration initiated by the wave breaking; and third, the direct laser acceleration of the released electrons.

Power scaling of high-power optically pumped semiconductor lasers for continuous wave and ultrashort pulse generation

2012 ◽  
Author(s):  
Alexandre Laurain ◽  
Maik Scheller ◽  
Tsuei-Lian Wang ◽  
Jorg Hader ◽  
Jerome V. Moloney ◽  
...  
Keyword(s):  
Semiconductor Lasers ◽  
High Power ◽  
Ultrashort Pulse ◽  
Continuous Wave ◽  
Pulse Generation ◽  
Power Scaling ◽  
Optically Pumped ◽  
Ultrashort Pulse Generation

scholarly journals Development of High-Quality Nonlinear Optical Crystal CsLiB6O10 and Its Application to High-Power Picosecond Deep-Ultraviolet Pulse Generation

2015 ◽  
Vol 43 (1) ◽  
pp. 23
Author(s):  
Masashi YOSHIMURA ◽  
Yosuke ORII ◽  
Yoshinori TAKAHASHI ◽  
Hiroaki ADACHI ◽  
Mieko YAMAGAKI ◽  
...  
Keyword(s):  
High Power ◽  
Nonlinear Optical ◽  
Pulse Generation ◽  
Nonlinear Optical Crystal ◽  
High Quality ◽  
Deep Ultraviolet ◽  
Optical Crystal

Chirped-beam two-stage free-electron laser for high-power femtosecond x-ray pulse generation

2002 ◽  
Vol 19 (8) ◽  
pp. 1782 ◽  
Author(s):  
Carl B. Schroeder ◽  
Claudio Pellegrini ◽  
Sven Reiche ◽  
John Arthur ◽  
Paul Emma
Keyword(s):  
High Power ◽  
Free Electron ◽  
Free Electron Laser ◽  
Pulse Generation ◽  
Two Stage ◽  
X Ray
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