Hostname: page-component-78c5997874-g7gxr Total loading time: 0 Render date: 2024-11-04T21:58:32.708Z Has data issue: false hasContentIssue false

Self-focusing of a laser pulse in a transient plasma

Published online by Cambridge University Press:  13 March 2009

M. S. Sodha
Affiliation:
Department of Physics, Indian Institute of Technology, New Delhi-110029, India
D. P. Tewari
Affiliation:
Department of Physics, Indian Institute of Technology, New Delhi-110029, India
L. A. Patel
Affiliation:
Department of Physics, Indian Institute of Technology, New Delhi-110029, India

Abstract

Following Akhmanov's approach, self-focusing of a laser pulse in a transient plasma has been studied. The beamwidth parameter and hence the laser intensity and the frequency shift (time derivative of the phase) have been evaluated as a function of time and the distance of propagation. It is seen that the time dependence of the axial intensity changes appreciably as the pulse propagates. The present investigation is restricted to a pulse whose incident intensity has Gaussian radial dependence.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1978

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

Akhmanov, S. A., Khokhlov, R. V. & Sukhorukov, A. P. 1972 Laser Handbook (ed. Arecchi, F. T. and Schulz-du-Bois, E. O.), vol. 2, p. 1151. North Holland.Google Scholar
Brueckner, K. A. & Jorna, S. 1974 Rev. Mod. Phys. 46, 325.CrossRefGoogle Scholar
Eremin, B. G., Litvak, A. G. & Poluyakhtov, B. K. 1972 Izv. Vuz. Rad. Fiz. 15, 1132.Google Scholar
Feit, M. D. & Fleck, J. A. 1976 App. Phys. Lett. 29, 234.CrossRefGoogle Scholar
Ginzburg, V. L. 1970 The Propagation of Electromagnetic Waves in Plasmas. Addison Wesley.Google Scholar
Kaw, P., Schmidt, G. & Wilcox, T. 1973 Phys. Fluids, 16, 1522.CrossRefGoogle Scholar
Lugovoi, V. N. & Prokhorov, A. M. 1974 Soviet Phys. Uspekhi, 16, 658.CrossRefGoogle Scholar
Patel, L. A. 1977 J. Plasma Phys. 18, 381.CrossRefGoogle Scholar
Scarborough, J. B. 1966 Numerical Mathematical Analysis. Oxford University Press.Google Scholar
Shen, Y. R. 1975 Prog. Quant. Electronics, 4, 1.CrossRefGoogle Scholar
Sodha, M. S., Ghatak, A. K. & Tripathi, V. K. 1974 Self-Focusing of Laser Beams in Dielectrics, Plasmas and Semiconductors. Tata McGraw-Hill.Google Scholar
Sodha, M. S., Ghatak, A. K. & Tripathi, V. K. 1976a Progress in Optics (ed. Wolf, E.), vol. 13, p. 169. North Holland.Google Scholar
Sodha, M. S., Kaushik, S. C., Sharma, R. P. & Tripathi, V. K. 1976b Optica Acta, 23, 321.CrossRefGoogle Scholar
Sodha, M. S., Kaushik, S. C. & Sharma, R. P. 1977 J. Plasma Phys. 18, 551.CrossRefGoogle Scholar
Sodha, M. S. & Tripathi, V. K. 1977a Laser Interaction and Related Plasma Phenomena (ed. Schwarz, H. J. and Hora, H.), vol. 4. Plenum.Google Scholar
Sodha, M. S. & Tripathi, V. K. 1977b Phys. Rev. A. 16, 2101.CrossRefGoogle Scholar
Svelto, O. 1974 Frog. Opt. 12, 1.Google Scholar