Abstract
A beam shaper suitable for sub- pulses based on a prism pair and a computer-generated hologram was developed to produce vortex beams. Comparatively high throughput and the ability to tune the group-velocity dispersion make this shaper suitable for pulses from femtosecond oscillators and amplifiers and where there is a need for additional postchirp or prechirp compensation.
© 2008 Optical Society of America
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