Journal
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume 35, Issue 10, Pages B16-B19Publisher
OPTICAL SOC AMER
DOI: 10.1364/JOSAB.35.000B16
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- Air Force Office of Scientific Research (AFOSR) [FA9550-12-1-0482, FA9550-16-1-0013]
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We combine conventional beam shaping with simultaneous spatial and temporal focusing (SSTF) to generate femtosecond SSTF vortex beams. We demonstrate the utility of these beam structures by producing single-shot encryption of doughnut-shaped ablation marks on the back surfaces of glass plates. The SSTF enables this type of machining by significantly reducing the nonlinear beam distortions on propagation through the glass. (c) 2018 Optical Society of America
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