System and method for the spatial tailoring of laser light using temporal phase modulation
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United States of America Patent
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Aug 28, 2012
Grant Date -
Jul 14, 2011
app pub date -
Dec 23, 2010
filing date -
Dec 23, 2009
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Abstract
Laser systems and methods for providing an output light beam having a target spatial pattern are provided. A light generating module generates an input light beam, whose spectral profile is then tailored by imposing thereon a controllable phase modulation. The obtained spectrally tailored light beam is dispersed, using at least one spatially-dispersive element to provide an output light beam having a spatial profile which is a function of the spectral profile of the spectrally tailored light beam, The phase modulation is selected in view of the spectral profile of the input light beam and of the dispersion characteristics of the at least one spatially-dispersive element so that the spatial pattern of the output light beam matches the target spatial pattern therefor.
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