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The Scientific World Journal
Volume 2013 (2013), Article ID 127670, 18 pages
http://dx.doi.org/10.1155/2013/127670
Review Article

Strong Field-Induced Frequency Conversion of Laser Radiation in Plasma Plumes: Recent Achievements

1Saitama Medical University, Saitama 350-0495, Japan
2Voronezh State University, Voronezh 394006, Russia

Received 17 April 2013; Accepted 3 June 2013

Academic Editors: A. Capolupo, Y. Cheng, V. Laude, and B. Wei

Copyright © 2013 R. A. Ganeev. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

New findings in plasma harmonics studies using strong laser fields are reviewed. We discuss recent achievements in the growth of the efficiency of coherent extreme ultraviolet (XUV) radiation sources based on frequency conversion of the ultrashort pulses in the laser-produced plasmas, which allowed for the spectral and structural studies of matter through the high-order harmonic generation (HHG) spectroscopy. These studies showed that plasma HHG can open new opportunities in many unexpected areas of laser-matter interaction. Besides being considered as an alternative method for generation of coherent XUV radiation, it can be used as a powerful tool for various spectroscopic and analytical applications.