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Sending femtosecond pulses in circles: highly nonparaxial accelerating beams |
Optics Letters, Vol. 37, Issue 10, pp. 1736-1738 (2012)
http://dx.doi.org/10.1364/OL.37.001736
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Abstract
We use caustic beam shaping on 100 fs pulses to experimentally generate nonparaxial accelerating beams along a 60° circular arc, moving laterally by 14 µm over a 28 µm propagation length. This is the highest degree of transverse acceleration reported to our knowledge. Using diffraction integral theory and numerical beam propagation simulations, we show that circular acceleration trajectories represent a unique class of nonparaxial diffraction-free beam profile which also preserves the femtosecond temporal structure in the vicinity of the caustic.
© 2012 Optical Society of America
OCIS Codes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.2250) Ultrafast optics : Femtosecond phenomena
(070.6120) Fourier optics and signal processing : Spatial light modulators
ToC Category:
Nonlinear Optics
History
Original Manuscript: January 17, 2012
Manuscript Accepted: February 28, 2012
Published: May 15, 2012
Citation
F. Courvoisier, A. Mathis, L. Froehly, R. Giust, L. Furfaro, P. A. Lacourt, M. Jacquot, and J. M. Dudley, "Sending femtosecond pulses in circles: highly nonparaxial accelerating beams," Opt. Lett. 37, 1736-1738 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-10-1736
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