White-light hyperbolic Airy beams
Andreas Valdmann, Peeter Piksarv, Heli Valtna-Lukner, Peeter Saari

TL;DR
This paper reports the experimental realization and characterization of ultra-broadband hyperbolic Airy beams, highlighting differences in dispersion properties between reflective and transmissive phase element implementations.
Contribution
It introduces a method to generate hyperbolic Airy beams using cubic phase elements and compares their dispersion characteristics in reflective and transmissive geometries.
Findings
Nondispersing hyperbolic Airy beams achieved in reflective geometry
Transmissive phase element beams exhibit lateral dispersion
Experimental characterization confirms broadband hyperbolic Airy beam properties
Abstract
Ultra-broadband hyperbolic Airy beams are experimentally realized and spatio-temporally characterized. Transmissive (refractive) and reflective cubic phase elements were used to impose a cubic phase on the input beam. Nondispersing beams are produced in reflective geometry, while the main lobe of the hyperbolic Airy beam created with a transmissive refractive phase element suffered from lateral dispersion.
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