6533b826fe1ef96bd12853ba

RESEARCH PRODUCT

Lacunar fractal photon sieves

Walter D. FurlanJuan A. MonsoriuFernando Giménez

subject

PhotonMaterials sciencebusiness.industryFOS: Physical sciencesZone plateAtomic and Molecular Physics and OpticsElectronic Optical and Magnetic Materialslaw.inventionPhoton sieveFractalOpticsDiffractive lenslawLacunarityElectrical and Electronic EngineeringPhysical and Theoretical ChemistrybusinessSmoothingPhysics - OpticsOptics (physics.optics)

description

We present a new family of diffractive lenses whose structure is based on the combination of two concepts: photon sieve and fractal zone plates with variable lacunarity. The focusing properties of different members of this family are examined. It is shown that the sieves provide a smoothing effect on the higher order foci of a conventional lacunar fractal zone plate. However, the characteristic self-similar axial response of the fractal zone plates is always preserved.

https://doi.org/10.1016/j.optcom.2007.03.086