Reviews of topical problems

High order harmonics generation in laser surface ablation: current trends

Imperial College London, Prince Consort Road, London, SW7 2AZ, United Kingdom

We review emerging concepts that have increased the efficiency of coherent XUV (extreme ultraviolet) generation through the use of laser frequency conversion in specially prepared plasmas and which have enabled higher-order harmonic generation (HHG) spectroscopy to be used in spectral and structural analysis. We present the current status of plasma HHG and examine what new trends have evolved in the field since it was reviewed last [Phys. Usp. 52 55 (2009)]. In particular, we consider new techniques for generating higher harmonics from various plasmas for the purpose of studying the physical properties of materials. It has been shown recently that HHG has application potential for many, sometimes unexpected, areas of laser radiation-matter interaction. It is argued that plasma HHG is—along with coherent XUV generation—a powerful tool for a variety of spectroscopic and analytical applications.

Text can be downloaded in Russian. English translation is available here.
PACS: 42.65.Ky, 42.79.Nv, 52.50.Jm (all)
DOI: 10.3367/UFNe.0183.201308b.0815
Citation: Ganeev R A "High order harmonics generation in laser surface ablation: current trends" Phys. Usp. 56 772–800 (2013)
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Received: 27th, September 2012, revised: 28th, November 2012, 4th, December 2012

Оригинал: Ганеев Р А «Современные тенденции в области генерации высших гармоник при лазерной абляции различных поверхностей» УФН 183 815–847 (2013); DOI: 10.3367/UFNr.0183.201308b.0815

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