MATEC Web of Conferences
Volume 8, 2013Progress in Ultrafast Laser Modifications of Materials
|Number of page(s)||2|
|Section||Advanced parallel processing through beam and temporal shaping|
|Published online||18 November 2013|
Spatial chirp control of high-intensity 4D pulse focusing for laser-matter interactions
Center for Microintegrated Optics for Advanced Bioimaging and Control Department of Physics Colorado School of Mines Golden, CO, USA 80401
Spatial chirp can be manipulated to control the focusing conditions for materials processing. Our double-ABCD nonparaxial analysis helps to understand and exploit the mechanisms for intensity localization, pulse front tilt, and grating formation, and includes initial spectral phase and detuning of the wavelength crossing plane. We also present a novel method for creating high density, high intensity interference patterns with crossed beams that have no relative pulse front tilt.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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