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Journal of Spectroscopy
Volume 2015, Article ID 495914, 9 pages
http://dx.doi.org/10.1155/2015/495914
Review Article

Compression of Extreme-Ultraviolet Ultrashort Pulses by Grating Configurations

Institute of Photonics and Nanotechnologies, National Research Council of Italy, Via Trasea 7, 35131 Padua, Italy

Received 17 November 2014; Accepted 7 January 2015

Academic Editor: Khalique Ahmed

Copyright © 2015 Fabio Frassetto et al. 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

The design and realization of grating instruments to condition the spectral phase of ultrashort extreme-ultraviolet pulses are discussed. The main application of such configurations is the temporal compression of pulses by compensating the phase chirp and getting close to the Fourier limit. We discuss the two configurations useful for the realization of ultrafast grating compressors, namely, the classical diffraction mount and the off-plane one. The configuration may be applied to free-electron lasers and high-order laser harmonics.