Hostname: page-component-586b7cd67f-t7czq Total loading time: 0 Render date: 2024-11-28T09:00:06.477Z Has data issue: false hasContentIssue false
  • English
  • Français

Sensitiveness of light absorption for self-focusing at laser–plasma interaction with weakly relativistic and ponderomotive regime

Published online by Cambridge University Press:  17 October 2016

S.D. Patil ,
M.V. Takale ,
V.J. Fulari  and
T.S. Gill
S.D. Patil*
Affiliation:
Department of Physics, Devchand College, Arjunnagar Dist., Kolhapur 591 237, India
M.V. Takale
Affiliation:
Department of Physics, Shivaji University, Kolhapur 416 004, India
V.J. Fulari
Affiliation:
Department of Physics, Shivaji University, Kolhapur 416 004, India
T.S. Gill
Affiliation:
Department of Physics, Guru Nanak Dev University, Amritsar 143 005, India
*
Address correspondence and reprint requests to: S.D. Patil, Department of Physics, Devchand College, Arjunnagar, Dist., Kolhapur 591 237, India. E-mail: [email protected]
Get access Rights & Permissions [Opens in a new window]

Abstract

In the present paper, we have examined the sensitiveness of light absorption for self-focusing of Gaussian laser beam in plasma. By introducing dielectric function of plasma under ponderomotive and weakly relativistic regime, we have established the differential equation for beam-width parameter by using parabolic equation approach under Wentzel-Kramers-Brillouin and paraxial approximations and solved it numerically. In order to incorporate the sensitiveness of light absorption for self-focusing, behavior of normalized beam-width parameter; plasma density distribution with dimensionless distance of propagation is presented graphically and discussed. Numerical analysis shows that light absorption plays a vital role in self-focusing of laser beam in plasma under weakly relativistic and ponderomotive regime and gives reasonably interesting results.

Keywords

AbsorptionGaussian beamSelf-focusing Relativistic
Type
Research Article
Information
Laser and Particle Beams , Volume 34 , Issue 4 , December 2016 , pp. 669 - 674
Copyright
Copyright © Cambridge University Press 2016 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Aggarwal, M., Vij, S. & Kant, N. (2014). Propagation of cosh Gaussian laser beam in plasma with density ripple in relativistic ponderomotive regime. Optik 125, 5081–5084.CrossRefGoogle Scholar
Aggarwal, M., Vij, S. & Kant, N. (2015). Self-focusing of quadruple Gaussian laser beam in an inhomogeneous magnetized plasma with ponderomotive nonlinearity: Effect of linear absorption. Commun. Theor. Phys. 64, 565–570.CrossRefGoogle Scholar
Asthana, M.V., Giulietti, A., Varshney, D. & Sodha, M.S. (1999). Relativistic self-focusing of a rippled laser beam in a plasma. J. Plasma Phys. 62, 389–396.CrossRefGoogle Scholar
Asthana, M.V., Kureshi, K.A. & Varshney, D. (2006). Relativistic self-focusing of a laser beam in an inhomogeneous plasma. J. Plasma Phys. 72, 195–203.Google Scholar
Atzeni, S. (2015). Light for controlled fusion energy: A perspective on laser-driven inertial fusion. Euro. Phys. Lett. 109, 45001.CrossRefGoogle Scholar
Bokaei, B., Niknam, A.R. & Milani, M.R.J. (2013). Turning point temperature and competition between relativistic and ponderomotive effects in self-focusing of laser beam in plasma. Phys. Plasmas 20, 103107.CrossRefGoogle Scholar
Brandi, H.S., Manus, C., Mainfray, G. & Lehner, T. (1993). Relativistic self-focusing of ultraintense laser pulses in inhomogeneous underdense plasmas. Phys. Rev. E 47, 3780.CrossRefGoogle ScholarPubMed
Gill, T.S., Kaur, R. & Mahajan, R. (2011 a) Relativistic self-focusing and self-phase modulation of cosh-Gaussian laser beam in magnetoplasma. Laser Part. Beams 29, 183–191.CrossRefGoogle Scholar
Gill, T.S., Mahajan, R. & Kaur, R. (2010 a). Relativistic and ponderomotive effects on evolution of laser beam in a non-uniform plasma channel. Laser Part. Beams 28, 11–20.CrossRefGoogle Scholar
Gill, T.S., Mahajan, R. & Kaur, R. (2010 b). Relativistic and ponderomotive effects on evolution of dark hollow Gaussian electromagnetic beams in a plasma. Laser Part. Beams 28, 521–529.CrossRefGoogle Scholar
Gill, T.S., Mahajan, R. & Kaur, R. (2011 b). Self-focusing of cosh-Gaussian laser beam in a plasma with weakly relativistic and ponderomotive regime. Phys. Plasmas 18, 033110.CrossRefGoogle Scholar
Gill, T.S., Mahajan, R., Kaur, R. & Gupta, S. (2012). Relativistic self-focusing of super-Gaussian laser beam in plasma with transverse magnetic field. Laser Part. Beams 30, 509–516.CrossRefGoogle Scholar
Gondarenko, N.A., Ossakow, S.L. & Milikh, G.M. (2005). Generation and evolution of density irregularities due to self-focusing in ionospheric modifications. J. Geophys. Res. 110, A093041.Google Scholar
Hasson, K.I., Sharma, A.K. & Khamis, R.A. (2010). Relativistic laser self-focusing in a plasma with transverse magnetic field. Phys. Scr. 81, 025505.CrossRefGoogle Scholar
Hora, H. (2007). New aspects for fusion energy using inertial confinement. Laser Part. Beams 25, 37–45.CrossRefGoogle Scholar
Jha, P., Saroch, A. & Mishra, R.K. (2011). Generation of wakefields and terahertz radiation in laser magnetized plasma interaction. Euro. Phys. Lett. 91, 15001.CrossRefGoogle Scholar
Jha, P., Saroch, A. & Mishra, R.K. (2013). Wakefield generation and electron acceleration by intense super-Gaussian laser pulses propagating in plasma. Laser Part. Beams 31, 583–588.CrossRefGoogle Scholar
Kant, N., Saralch, S. & Singh, H. (2011). Ponderomotive self-focusing of a short laser pulse under a plasma density ramp. Nukleonika 56, 149–153.Google Scholar
Kant, N. & Wani, M.A. (2015). Density transition based self-focusing of cosh-Gaussian laser beam in plasma with linear absorption. Commun. Theor. Phys. 64, 103–107.CrossRefGoogle Scholar
Keskinen, M.J. & Basu, S. (2003). Thermal self-focusing instability in the high-latitude ionosphere. Radio Sci. 38, 10953.CrossRefGoogle Scholar
Khanna, R.K. & Baheti, K. (2001). Relativistic nonlinearity and wave-guide propagation of rippled laser beam in plasma. Pramana J. Phys. 56, 755–766.CrossRefGoogle Scholar
Liu, M., Li, R., Xu, Z. & Kim, C.-J. (2009). Relativistic channel-coupling focusing enhanced nonlinear guiding of an intense laser beam in a plasma channel. Phys. Lett. A 373, 363–366.CrossRefGoogle Scholar
Milani, M.R.J., Niknam, A.R. & Bokaei, B. (2014 a). Temperature effect on self-focusing and defocusing of Gaussian laser beam propagation through plasma in weakly relativistic regime. IEEE Trans. Plasma Sci. 42, 742–747.CrossRefGoogle Scholar
Milani, M.R.J., Niknam, A.R. & Farahbod, A.H. (2014 b). Ponderomotive self-focusing of Gaussian laser beam in warm collisional plasma. Phys. Plasmas 21, 063107.CrossRefGoogle Scholar
Nanda, V. & Kant, N. (2014). Enhanced relativistic self-focusing of Hermite-cosh-Gaussian laser beam in plasma under density transition. Phys. Plasmas 21, 042101.CrossRefGoogle Scholar
Nanda, V., Kant, N. & Wani, M.A. (2013). Sensitiveness of decentred parameter for relativistic self-focusing of Hermite-cosh-Gaussian laser beam in plasma. IEEE Trans. Plasma Sci. 41, 2251–2256.CrossRefGoogle Scholar
Osman, F., Castillo, R. & Hora, H. (1999). Relativistic and ponderomotive self-focusing at laser–plasma interaction. J. Plasma Phys. 61, 263–273.CrossRefGoogle Scholar
Patil, S.D. & Takale, M.V. (2013 a). Weakly relativistic and ponderomotive effects on self-focusing in the interaction of cosh-Gaussian laser beams with a plasma. Laser Phys. Lett. 10, 115402.CrossRefGoogle Scholar
Patil, S.D. & Takale, M.V. (2013 b). Self-focusing of Gaussian laser beam in weakly relativistic and ponderomotive regime using upward ramp of plasma density. Phys. Plasmas 20, 083101.CrossRefGoogle Scholar
Patil, S.D., Takale, M.V., Fulari, V.J., Gupta, D.N. & Suk, H. (2013 c). Combined effect of ponderomotive and relativistic self-focusing on laser beam propagation in a plasma. Appl. Phys. B 111, 1–6.CrossRefGoogle Scholar
Patil, S.D., Takale, M.V. & Gill, T.S. (2015). Effect of light absorption on relativistic self-focusing of Gaussian laser beam in plasma. Euro. Phys. J. D 69, 163.CrossRefGoogle Scholar
Patil, S.D., Takale, M.V., Navare, S.T., Fulari, V.J. & Dongare, M.B. (2012). Relativistic self-focusing of cosh-Gaussian laser beams in a plasma. Opt. Laser Technol. 44, 314–317.CrossRefGoogle Scholar
Rajeev, R., Madhu Trivikram, T., Rishad, K.P.M., Narayanan, V., Krishnakumar, E. & Krishnamurthy, M. (2013). A compact laser driven plasma accelerator for megaelectronvolt energy neutral atoms. Nat. Phys. 9, 185–190.CrossRefGoogle Scholar
Sodha, M.S., Ghatak, A.K. & Tripathi, V.K. (1976). Self-focusing of laser beams in plasmas and semiconductors. Prog. Opt. 13, 169–265.CrossRefGoogle Scholar
Sodha, M.S. & Sharma, A. (2008). Self-focusing of electromagnetic beams in the ionosphere considering Earth's magnetic field. J. Plasma Phys. 74, 473–491.CrossRefGoogle Scholar
Sprangle, P., Tang, C.-M. & Esarey, E. (1987). Relativistic self-focusing of short-pulse radiation beams in plasmas. IEEE Trans. Plasma Sci. 15, 145–153.CrossRefGoogle Scholar
Wani, M.A. & Kant, N. (2016). Investigation of relativistic self-focusing of Hermite-cosine-Gaussian laser beam in collisionless plasma. Optik 127, 4705–4709.CrossRefGoogle Scholar
Winterberg, F. (2008). Laser for inertial confinement fusion driven by high explosives. Laser Part. Beams 26, 127.CrossRefGoogle Scholar