Biblioteka Cyfrowa
Opis wydania
Control of the effects of crystal dispersi on at different orders in the mixing of three phase-matched waveson a 5- to 100-fs time scale, Journal of Telecommunications and Information Technology, 2000, nr 1-2
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Opis :
A number of manners to obtain first-order achromatic phase matching of both type I and type II are presented and the most advantageous ones are identified to generate high-spectral quality 100-fs pulses by either parametric generation or frequency up-conversion. In the case of frequencydoubling high-energy 5-fs Ti:sapphire pulses, a non-collinear phase-matching I geometry in a b-barium borate crystal cut at 44 deg is devised that should allow high conversion efficiency, virtually without pulse lengthening and intra-pulse frequency chirp due to group-velocity dispersion.
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