By self-apodized truncation of few-cycle pulsed Bessel-Gauss beams, focal zones ofdecimeter decay lengths were shaped. Both, theoretical and experimental results indicate more robust spatio-spectral characteristics at ultrabroad bandwidths compared to Gaussian beam foci.
© 2005 Optical Society of America
R. Grunwald, U. Neumann, S. Langer, G. Stibenz, G. Steinmeyer, V. Kebbel, M. Piché, and J. Néron, "Ultrabroadband Spectral Transfer in Extended Focal Zones: Truncated Few-Cycle Bessel-Gauss Beams," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CTuAA6.
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