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laser plasma interactions

    ___  We are using Particle-in-Cell (PIC) computer models to explore how intense photon and particle beams evolve as they propagate through plasmas.  Such interactions involve relativistic and ultra-fast physics and are important in advanced Inertial Fusion, plasma-based accelerators, and plasma-based radiation concepts, as well as astrophysical plasmas.  We are also modeling nonlinear laser-plasma instabilities, such as Raman scattering and two-plasmon decay, to study their importance to direct and indirect drive laser fusion.
This work is supported by DOE grant DE-FG03-98DP00211, NSF grant DMS-9722121, and LLNL contract W-7405-ENG-48

(click for movie)
Mutual attraction of laser beams in Plasmas: braided light
Generation of single cylcle laer pulses
2w instability
Asymmetric self-focusing/self-modulation
Subharmonic resonances

related websites
Office of Inertial Fusion and the NIF project
UCLA/ Plasma Beat Wave Acceleration Experiment
USC/Plasma Accelerator Group

recent publications
Tzeng, K-C., Mori, W.B., "Suppression of electron ponderomotive blowout and relativistic self-focusing by the occurrence
of raman scattering and plasma heating," Physical Review Letters, Vol. 81, No. 1, pp. 104-107, July 1998. 

Mori, W.B., "The Physics of the Nonlinear Optics of Plasmas at Relativistic Intensities," IEEE Journal of Quantum
Electronics, Vol. 33, No. 11, pp. 1942-1953, November 1997. 

Tzeng, K-C., Mori, W. B., Decker, C. D. "The Anomalous Absorption and Scattering of Short-Pulse High-Intensity Lasers
in Underdense Plasmas," Physical Review Letters, Vol. 76, No. 18, pp. 3332-3335, April 1996. 

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