Self-focusing of intense laser beam in magnetized plasma

2006 ◽  
Vol 13 (10) ◽  
pp. 103102 ◽  
Author(s):  
Pallavi Jha ◽  
Rohit K. Mishra ◽  
Ajay K. Upadhyaya ◽  
Gaurav Raj
Keyword(s):  
Laser Beam ◽  
Magnetized Plasma ◽  
Intense Laser ◽  
Intense Laser Beam ◽  
Self Focusing

Propagation modes and regimes of intense laser beam in magnetized plasma

2009 ◽  
Vol 56 (21) ◽  
pp. 2368-2376 ◽  
Author(s):  
Meenu Asthana Varshney ◽  
Bhavna Rathore ◽  
Sonu Sen ◽  
Dinesh Varshney
Keyword(s):  
Laser Beam ◽  
Magnetized Plasma ◽  
Intense Laser ◽  
Intense Laser Beam

scholarly journals Second and third harmonics generation in the interaction of strongly magnetized dense plasma with an intense laser beam

2012 ◽  
Vol 30 (2) ◽  
pp. 291-298 ◽  
Author(s):  
Mohammad Ghorbanalilu
Keyword(s):  
Magnetic Field ◽  
Laser Beam ◽  
Dense Plasma ◽  
Critical Density ◽  
Phase Match ◽  
Phase Mismatch ◽  
Magnetized Plasma ◽  
Intense Laser ◽  
Intense Laser Beam ◽  
Harmonic Conversion

AbstractThe goal of this theory is to study the conversion of a fraction of a laser beam to its phase-mismatch second and third harmonics. This conversion takes place by focusing an intense laser beam into a transversely magnetized plasma, as a nonlinear medium. The influence of the polarization field is considered, however, the plasma density is below the critical density. It has already been revealed that for dense plasma, the second and third harmonics efficiencies decreased with density increasing in the presence of a sufficiently strong magnetic field. This result is in contrast to the under dense and weakly magnetized plasma, which the harmonics efficiencies increased with density increasing. It is shown that the harmonics radiation cut-off, when the magnetic field increases up until the saturation strength Bsat. In addition, the results indicated that the average phase-mismatch third harmonic conversion efficiency is a little smaller than the phase-match case reported for non-magnetized plasma.

scholarly journals Self-Focusing of High-Power Laser Beam Through Cold Uniform Magnetized Plasma

2020 ◽  
Vol 3 (11) ◽  
pp. 137-140
Author(s):  
Sudarshan Kumar Chakravarti
Keyword(s):  
Laser Beam ◽  
Expansion Method ◽  
Spot Size ◽  
Magnetized Plasma ◽  
Intense Laser ◽  
Gaussian Profile ◽  
Self Focusing ◽  
Focusing Property ◽  
Set Up

In present paper the determination of the spot size of an ultra-short laser beam in uniform magnetized plasma with a dominant cold plasma has been studied. The liner dispersion relation of the laser beam propagating in Magnetized plasma have been found. Magnetic field is set up and source dependent expansion method is applied to determining the spot size of the intense laser beam with gaussian profile. The transverse magnetization of plasma and its impact on the self-focusing property of the dense laser governing to reduction in critical power necessary to self-focusing beam is shown.

Numerical investigation of relativistic self-focusing of intense laser beam with LG01 mode in plasmas

2012 ◽  
Vol 285 (13-14) ◽  
pp. 3191-3194 ◽  
Author(s):  
Farshad Sohbatzadeh ◽  
Mohsen Rabbani ◽  
Mahboubeh Ghalandari
Keyword(s):  
Laser Beam ◽  
Numerical Investigation ◽  
Intense Laser ◽  
Intense Laser Beam ◽  
Self Focusing
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