6533b81ffe1ef96bd12786b9

RESEARCH PRODUCT

Angular spectrum of diffracted wave fields with apochromatic correction.

María Teresa Caballero CaballeroCarlos J. Zapata-rodríguezJuan Jose Miret

subject

Physicsbusiness.industryPhysics::OpticsAtomic and Molecular Physics and OpticsAngular spectrum methodWavelengthOpticsApochromatSaddle pointDispersion (optics)Group delay dispersionChromatic scalebusinessUltrashort pulse

description

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.

10.1364/ol.33.001753https://pubmed.ncbi.nlm.nih.gov/18670526