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Showing 1–8 of 8 results
Advanced filters: Author: Yehiam Prior Clear advanced filters

  • Metasurfaces promise the possibility of thin optical elements, like lenses, but these mostly suffer from chromatic aberrations. Here, the authors demonstrate a multilayer fabrication approach with multiple materials to realise achromatic lenses and multispectral functional optical elements.

    • Ori Avayu
    • Euclides Almeida
    • Tal Ellenbogen
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • Phased metasurfaces have been extended to the nonlinear regime, enabling coherent generation, beam steering and lensing of light beams in one thin element. Here, Almeida et al. demonstrate a nonlinear multilayer metamaterial hologram generating images at the third harmonic frequency of the illuminating beam.

    • Euclides Almeida
    • Ora Bitton
    • Yehiam Prior
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • The fundamental issue of phase-matching across metasurfaces has not been thoroughly addressed. Here, Almeida et al. show full phase control by introducing a spatially varying phase response of a metallic metasurface consisting of subwavelength nanoantennas and demonstrate metasurface-phase-matching.

    • Euclides Almeida
    • Guy Shalem
    • Yehiam Prior
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • The rotational Doppler frequency shift is observed for a circularly polarized lightwave propagating through a gas of synchronously spinning molecules by using a linearly polarized pulsed laser beam to align diatomic molecules and a linearly polarized pulse to induce concerted unidirectional rotation.

    • Omer Korech
    • Uri Steinitz
    • Yehiam Prior
    Research
    Nature Photonics
    Volume: 7, P: 711-714

  • Alignment and orientation of the molecules allows studying the photon-molecule interactions in greater detail. Here the authors demonstrate the three-dimensional orientation of SO2 molecules in using COLTRIMS and orthogonally polarized laser pulses but in the absence of DC field.

    • Kang Lin
    • Ilia Tutunnikov
    • Jian Wu
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-9

  • Following an impulsive laser excitation of a single molecule, a dispersed vibrational wave-packet is partially rephased by a second pulse, and a wave-packet echo is observed. This wave-packet echo probes ultrafast intramolecular processes in the isolated molecule.

    • Junjie Qiang
    • Ilia Tutunnikov
    • Jian Wu
    Research
    Nature Physics
    Volume: 16, P: 328-333