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Thin-film microoptics for the generation of femtosecond Bessel beam arrays

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Abstract

Femtosecond quasi-Bessel beams have been generated by thin-film micro-axicon arrays. Time-integrated, spatially resolved interference patterns indicate space-time coupling effects for pulse durations of 12.5...30 fs by significant changes of contrast and spatial frequency.

© 2000 Optical Society of America

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