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Comment: Dissertation Condensed Matter Physics Department of University of Zaragoza, Materials Science Institute of Arag\'on (ICMA), The Spanish National Research Council (CSIC). Cite together arXiv code as: http://hdl.handle.net/10261/46732 Digital CSIC open science: Dissertations ICMA
Comment: Accepted to PRB Vol. 79 Issue 5 (Feb-2009). 20 pages, 4 figures. ARPES, Kink, Electron-Phonon coupling, Mass-enhancement parameter
Comment: 12 pages, 4 figures (Best quality pictures are available by author's contact), Submitted on May 27, 2010
Comment: 21 figures, submitted for publication
Comment: 8 pages, 6 figures (Best quality pictures are available by author's contact)
Comment: Submitted. 18 pages, 12 figures. The quality of some figures have been adjusted to the arXiv requirements
Comment: Submitted. 9 pages + 1 page with a movie caption. Additional material (movies) have been uploaded to the Data Conservancy Pilot Project of arXiv repositories. Also, this and more videos are available to download in: http://www.unizar.es/departamentos/fisica_mat_condensada/people/hsruizr/
Efficient conversion to the second harmonic (SH) using KD2PO4 and CsH2AsO4 crystals inside a folded cavity of a high-power-dye mode-locked neodymium-glass laser is reported. For the first time, frequency-doubled picosecond light pulses have been obtained in CsH2AsO4 with peak powers of the order of 1 GW/sq cm at 0.531 micron for an effective pump power density of 4 GW/sq cm.
The effect of the grating-induced phase and spatial modulations by multiple transverse modes simultaneously present in mode-locked laser pulses is investigated. Our analysis shows that the dispersions of the grating pair become strongly dependent on wavelength because of the energy exchanges occurring among transverse modes. As a result, the maximum-intensity trace at the output of the grating is shown to be curved and the grating-induced pulse-compression rate is shown to vary significantly across the beam cross section. Also, a discussion is presented relating our analysis to existing experimental data on the wavelength-dependent chirping rates of mode-locked laser beams.
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