Ultrashort Pulse Formation in a Short‐Pulse‐Stimulated Raman Oscillator

1971 ◽  
Vol 19 (2) ◽  
pp. 23-25 ◽  
Author(s):  
M. J. Colles
Keyword(s):  
Ultrashort Pulse ◽  
Short Pulse ◽  
Pulse Formation ◽  
Stimulated Raman

Ultrashort pulse formation from a thulium-doped fiber laser: Self-characterization and mapping

2021 ◽  
pp. 126747
Author(s):  
Sheida Mahmoodi ◽  
Christoph Bacher ◽  
Alexander Heidt ◽  
Christoph Lätt ◽  
Daryoush Abdollahpour ◽  
...  
Keyword(s):  
Fiber Laser ◽  
Ultrashort Pulse ◽  
Pulse Formation

scholarly journals Exploitation of stimulated Raman scattering in short-pulse fiber amplifiers

2010 ◽  
Vol 35 (14) ◽  
pp. 2397 ◽  
Author(s):  
Shian Zhou ◽  
Tetsuji Takamido ◽  
Shinji Imai ◽  
Frank Wise
Keyword(s):  
Raman Scattering ◽  
Stimulated Raman Scattering ◽  
Short Pulse ◽  
Fiber Amplifiers ◽  
Stimulated Raman

scholarly journals Amplification of an ultrashort pulse laser by stimulated Raman scattering of a 1ns pulse in a low density plasma

2007 ◽  
Vol 14 (11) ◽  
pp. 113109 ◽  
Author(s):  
R. K. Kirkwood ◽  
E. Dewald ◽  
C. Niemann ◽  
N. Meezan ◽  
S. C. Wilks ◽  
...  
Keyword(s):  
Raman Scattering ◽  
Pulse Laser ◽  
Ultrashort Pulse ◽  
Stimulated Raman Scattering ◽  
Low Density ◽  
Ultrashort Pulse Laser ◽  
Low Density Plasma ◽  
Density Plasma ◽  
Stimulated Raman

Stimulated Raman backscatter in ultraintense, short pulse laser–plasma interactions

1995 ◽  
Vol 2 (1) ◽  
pp. 274-279 ◽  
Author(s):  
S. C. Wilks ◽  
W. L. Kruer ◽  
E. A. Williams ◽  
P. Amendt ◽  
D. C. Eder
Keyword(s):  
Pulse Laser ◽  
Laser Plasma ◽  
Short Pulse ◽  
Plasma Interactions ◽  
Laser Plasma Interactions ◽  
Short Pulse Laser ◽  
Raman Backscatter ◽  
Stimulated Raman

scholarly journals Control and ultra-short pulse generation in stimulated Raman backscattering

2016 ◽  
Vol 688 ◽  
pp. 012112 ◽  
Author(s):  
Miloš M. Škorić ◽  
Ljubomir Nikolić ◽  
Ljupčo Hadžievski ◽  
Dimitri Batani ◽  
Seiji Ishiguro ◽  
...  
Keyword(s):  
Short Pulse ◽  
Pulse Generation ◽  
Short Pulse Generation ◽  
Ultra Short Pulse ◽  
Stimulated Raman Backscattering ◽  
Stimulated Raman

scholarly journals Stimulated Raman forward scattering of laser in a pre-formed plasma channel

2012 ◽  
Vol 30 (4) ◽  
pp. 605-611 ◽  
Author(s):  
Anuraj Panwar ◽  
Ashok Kumar ◽  
C.M. Ryu
Keyword(s):  
Growth Rate ◽  
Laser Pulse ◽  
Plasma Wave ◽  
Plasma Channel ◽  
Short Pulse ◽  
Density Perturbation ◽  
Laser Pulses ◽  
Forward Scattering ◽  
Short Pulse Laser ◽  
Stimulated Raman

AbstractStimulated Raman forward scattering (SRFS) of an intense short pulse laser in a plasma channel formed by two pre-laser pulses is investigated. The density nonuniformity of a plasma channel increases the focusing of main laser pulse. Main laser pulse excites a plasma wave and two electromagnetic sideband waves. Laser and the sidebands exert an axial ponderomotive force on electrons driving the plasma wave. The nonlinear currents arise at sideband frequencies. The density perturbation due to plasma wave beats with the oscillatory velocity due to pump to drive the sidebands. The normalized growth rate of SRFS increases with the density nonuniformity of a plasma channel. However, in the presence of a deep plasma channel the focusing is ineffective to laser intensity, but the growth rate increases with the intensity of main laser pulse.

scholarly journals Investigation of stimulated Raman scattering using a short-pulse diffraction limited laser beam near the instability threshold

2009 ◽  
Vol 27 (1) ◽  
pp. 185-190 ◽  
Author(s):  
J.L. Kline ◽  
D.S. Montgomery ◽  
C. Rousseaux ◽  
S.D. Baton ◽  
V. Tassin ◽  
...  
Keyword(s):  
Raman Scattering ◽  
Laser Plasma ◽  
Stimulated Raman Scattering ◽  
Short Pulse ◽  
Electron Plasma ◽  
Thomson Scattering ◽  
Wave Number ◽  
Particle In Cell ◽  
Laser Facility ◽  
Stimulated Raman

AbstractShort pulse laser plasma interaction experiments using diffraction limited beams provide an excellent platform to investigate the fundamental physics of stimulated Raman scattering. Detailed understanding of these laser plasma instabilities impacts the current inertial confinement fusion ignition designs and could potentially impact fast ignition when higher energy lasers are used with longer pulse durations (>1 kJ and >1 ps). Using short laser pulses, experiments can be modeled over the entire interaction time of the laser using particle-in-cell codes to validate our understanding quantitatively. Experiments have been conducted at the Trident laser facility and the Laboratoire pour l'Utilisation des Lasers Intenses (LULI) to investigate stimulated Raman scattering near the threshold of the instability using 527 nm and 1059 nm laser light, respectively, with 1.5–3.0 ps pulses. In both experiments, the interaction beam was focused into pre-ionized helium gas-jet plasma. Measurements of the reflectivity as a function of intensity and kλD were completed at the Trident laser facility, where k is the electron plasma wave number and λD is the plasma Debye length. At LULI, a 300 fs Thomson scattering probe is used to directly measure the density fluctuations of the driven electron plasma and ion acoustic waves. Work is currently underway comparing the results of the experiments with simulations using the VPIC particle-in-cell code. Details of the experimental results are presented in this manuscript.

Sign in / Sign up

Export Citation Format

Share Document