Design and Fabrication of Vanadium Dioxide Metasurfaces for Continuous Optical Wavefront Tuning

Autor: Isaac O. Oguntoye, Siddharth Padmanabha, Thalia Koutsougeras, Max Hinkle, Matthew D. Escarra
Rok vydání: 2022
Zdroj: Conference on Lasers and Electro-Optics.
DOI: 10.1364/cleo_qels.2022.fth4d.2
Popis: We design and fabricate vanadium dioxide metasurfaces for dynamic optical amplitude, phase, and beam angle modulation. Temperature-dependent ellipsometry yields a refractive index modulation of ~1.8. Metasurface optical modulation of ~17 dB is projected with near π phase tuning.
Databáze: OpenAIRE