Pump-probe investigation of picosecond laser-gas target interactions

Charles G. Durfee III; Howard M. Milchberg

doi:10.1117/12.46138

1 June 1991 Pump-probe investigation of picosecond laser-gas target interactions

Charles G. Durfee III, Howard M. Milchberg

Proceedings Volume 1413, Short-Pulse High-Intensity Lasers and Applications; (1991) https://doi.org/10.1117/12.46138
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

Abstract

In these proceedings, we report on a time-resolved investigation of the hydrodynamics of a laser-produced plasma. A sub-100ps pulse is focused into a chamber filled with xenon for various pulse energies and pressures. This pulse (the pump pulse) forms a plasma, which is probed by a second pulse (the probe pulse) with a variable delay of up to 2.5 ns. The gradients in the plasma density profile produce a lensing effect on the probe pulse. The beam transmitted through the plasma is viewed with a CCD camera. The diffraction pattern of the probe pulse can be seen by subtracting the image of the first pulse beam from the image produced by the two-pulse beam.

Citation Download Citation

Charles G. Durfee III and Howard M. Milchberg "Pump-probe investigation of picosecond laser-gas target interactions", Proc. SPIE 1413, Short-Pulse High-Intensity Lasers and Applications, (1 June 1991); https://doi.org/10.1117/12.46138

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