Angular spectrum of diffracted wave fields with apochromatic correction.
Opt Lett
; 33(15): 1753-5, 2008 Aug 01.
Article
em En
| MEDLINE
| ID: mdl-18670526
ABSTRACT
We report on compensation of diffraction-induced angular dispersion of ultrashort pulses up to a second order. A strategy for chromatic correction profits from high dispersion of kinoform-type zone plates. Ultraflat dispersion curves rely on a saddle point that may be tuned at a prescribed wavelength. Validity of our approach may reach the few-cycles regime.
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01-internacional
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MEDLINE
Idioma:
En
Revista:
Opt Lett
Ano de publicação:
2008
Tipo de documento:
Article