Generation of Plasma Wave at Pump-Wave Frequency and Second Harmonic Generation at Ultrarelativistic Laser Power TeX Export

@article{citeulike:6109619, abstract = {<para> In this paper, the influence of ponderomotive and relativistic nonlinearities on the filamentation of an ultraintense laser pulse is investigated in three dimensions within the paraxial ray approximations. Generation of electron plasma wave (EPW) structure at pump-wave frequency and the second harmonic generation in these filamentary structures are reported. The generation of the plasma wave is due to intensity gradient (in the transverse direction of the laser beam in filamentary structure) and density gradient (due to ponderomotive-force effect). For typical laser\&\#x2013;plasma parameters: The <formula formulatype="inline"><tex Notation="TeX">\$hbox{laser intensity} = 2.5timesbreak 10^{20} hbox{W/cm}^{2}\$</tex></formula>; the <formula formulatype="inline"><tex Notation="TeX">\$hbox{particles density} = 1.9 times 10^{19} hbox{cm}^{-3}\$</tex></formula>; and it is found that the maximum intensity of EPW is in the range of <formula formulatype="inline"><tex Notation="TeX">\$2.0 times 10^{13} hbox{W}/hbox{cm}^{2}\$</tex></formula>. Interaction of the plasma wave with the incident laser beam leads to second harmonic generation, and the yield comes out to be <formula formulatype="inline"><tex Notation="TeX">\$approx! 2.1 times 10^{-7}\$</tex></formula>. </para>}, author = {Sharma, P. and Mahmoud, S. T. and Chauhan, P. K. and Sharma, R. P. and Gupta, M. K.}, citeulike-article-id = {6109619}, citeulike-linkout-0 = {http://dx.doi.org/10.1109/TPS.2009.2030810}, citeulike-linkout-1 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5289990}, day = {20}, doi = {10.1109/TPS.2009.2030810}, journal = {Plasma Science, IEEE Transactions on}, keywords = {approximation, beam, filamentation, frequency, generation, harmonic, laser, nonlinear, paraxial, plasma, ponderomotive, power, pulse, pump, relativistic, second, shg, ultra-relativistic, wave}, month = {October}, number = {11}, pages = {2158--2165}, posted-at = {2009-11-13 13:56:49}, priority = {2}, title = {Generation of Plasma Wave at Pump-Wave Frequency and Second Harmonic Generation at Ultrarelativistic Laser Power}, url = {http://dx.doi.org/10.1109/TPS.2009.2030810}, volume = {37}, year = {2009} }

TY - JOUR ID - citeulike:6109619 L3 - citeulike-article-id:6109619 N2 - <para> In this paper, the influence of ponderomotive and relativistic nonlinearities on the filamentation of an ultraintense laser pulse is investigated in three dimensions within the paraxial ray approximations. Generation of electron plasma wave (EPW) structure at pump-wave frequency and the second harmonic generation in these filamentary structures are reported. The generation of the plasma wave is due to intensity gradient (in the transverse direction of the laser beam in filamentary structure) and density gradient (due to ponderomotive-force effect). For typical laser&#x2013;plasma parameters: The <formula formulatype="inline"><tex Notation="TeX">$hbox{laser intensity} = 2.5timesbreak 10^{20} hbox{W/cm}^{2}$</tex></formula>; the <formula formulatype="inline"><tex Notation="TeX">$hbox{particles density} = 1.9 times 10^{19} hbox{cm}^{-3}$</tex></formula>; and it is found that the maximum intensity of EPW is in the range of <formula formulatype="inline"><tex Notation="TeX">$2.0 times 10^{13} hbox{W}/hbox{cm}^{2}$</tex></formula>. Interaction of the plasma wave with the incident laser beam leads to second harmonic generation, and the yield comes out to be <formula formulatype="inline"><tex Notation="TeX">$approx! 2.1 times 10^{-7}$</tex></formula>. </para> IS - 11 JF - Plasma Science, IEEE Transactions on EP - 2165 TI - Generation of Plasma Wave at Pump-Wave Frequency and Second Harmonic Generation at Ultrarelativistic Laser Power VL - 37 SP - 2158 KW - approximation KW - beam KW - filamentation KW - frequency KW - generation KW - harmonic KW - laser KW - nonlinear KW - paraxial KW - plasma KW - ponderomotive KW - power KW - pulse KW - pump KW - relativistic KW - second KW - shg KW - ultra-relativistic KW - wave AU - Sharma, P AU - Mahmoud, ST AU - Chauhan, PK AU - Sharma, RP AU - Gupta, MK PY - 2009/10/20/ UR - http://dx.doi.org/10.1109/TPS.2009.2030810 ER -