@other{https://resolver.caltech.edu/CaltechTHESIS:04222019-151834122,
    title = "Metasurfaces: Beyond Diffractive and Refractive Optics",
    url = "https://resolver.caltech.edu/CaltechTHESIS:04222019-151834122",
    id = "record",
    doi = "10.7907/EQEY-KZ52"
}