Femtosecond dynamics of short-scale-length laser plasmas

Xinbing Liu; Donald P. Umstadter

doi:10.1117/12.147566

8 July 1993 Femtosecond dynamics of short-scale-length laser plasmas

Xinbing Liu, Donald P. Umstadter

Author Affiliations +

Proceedings Volume 1860, Short-Pulse High-Intensity Lasers and Applications II; (1993) https://doi.org/10.1117/12.147566
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

With a time-resolved pump-probe setup, the dynamical interactions of intense 400-fs laser pulses with a solid target are studied with a time resolution of about 250 fs. The motion of the plasma critical surface is measured by the means of the doppler shift of the probe laser. It is found that when the average electron quiver energy (mv²_os/2) becomes comparable to the electron thermal energy (kT_e), the ponderomotive force of the high-intensity laser significantly reduces the thermal expansion of the laser-plasma.

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Xinbing Liu and Donald P. Umstadter "Femtosecond dynamics of short-scale-length laser plasmas", Proc. SPIE 1860, Short-Pulse High-Intensity Lasers and Applications II, (8 July 1993); https://doi.org/10.1117/12.147566

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