Formation of electromagnetic shocks on optical cycle near leading front of femtosecond laser pulse

Vitali E. Gruzdev; Anastasia S. Gruzdeva

doi:10.1117/12.452724

16 January 2002 Formation of electromagnetic shocks on optical cycle near leading front of femtosecond laser pulse

Vitali E. Gruzdev, Anastasia S. Gruzdeva

Proceedings Volume 4462, Nonlinear Optical Transmission Processes and Organic Photorefractive Materials; (2002) https://doi.org/10.1117/12.452724
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

There is considered possibility of formation of shock electromagnetic waves (SHEW) on optical cycle of laser pulse propagating in wide band-gap transparent solid dielectric. Main regularities of SHEW formation are studied on the basis of 1D model of plane-wave propagation in isotropic dielectric with nonlinear optical response and dispersion. Special attention is paid to influence of color dispersion on SEW formation and propagation. It is shown, that SHEW can appear at input intensity close to threshold of bulk damage for tightly focused femtosecond pulses, i.e., 10 - 100 TW/cm² when generation of strongly synchronized higher harmonics can take place. There is considered range of parameters of laser pulse and the material within which SHEW can appear. Results of computational modeling illustrating structure and spectrum of SHEW are presented.

Citation Download Citation

Vitali E. Gruzdev and Anastasia S. Gruzdeva "Formation of electromagnetic shocks on optical cycle near leading front of femtosecond laser pulse", Proc. SPIE 4462, Nonlinear Optical Transmission Processes and Organic Photorefractive Materials, (16 January 2002); https://doi.org/10.1117/12.452724

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