Generation of femtosecond Bessel beams with microaxicon arrays
Optics Letters, Vol. 25, Issue 13, pp. 981-983 (2000)
http://dx.doi.org/10.1364/OL.25.000981
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Abstract
Multiple quasi-Bessel beams are generated by transmission of sub-30-fs pulses from a Ti:sapphire laser through refractive thin-film microaxicon arrays. Time-integrated intensity distributions at several axial positions and for pulse durations of 26 and 12.5 fs reveal significant changes of contrast, envelope function, and spatial frequency spectrum in comparison with continuous wave data. Evidence is presented that strong space–time coupling results in a time-dependent interference zone.
© 2000 Optical Society of America
[Optical Society of America ]
OCIS Codes
(140.3300) Lasers and laser optics : Laser beam shaping
(230.0230) Optical devices : Optical devices
(310.0310) Thin films : Thin films
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7100) Ultrafast optics : Ultrafast measurements
Citation
R. Grunwald, U. Griebner, F. Tschirschwitz, E. T. J. Nibbering, T. Elsaesser, V. Kebbel, H.-J. Hartmann, and W. Jüptner, "Generation of femtosecond Bessel beams with microaxicon arrays," Opt. Lett. 25, 981-983 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-13-981
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