Leland Stanford Junior University

Toyota Jidosha Kabushiki Kaisha

Toyota Motor Engineering & Manufacturing North America, Inc.

Weiliang Jin

Shanhui Fan

Sean P Rodrigues

Haiwen Wang

Cheng Guo

Nathan Zhao

Chinmay Khandekar

An infrared camera is provided having an uncooled focal plane array with pixels that are read out with visible light instead of electrically. Accordingly, the pixels of the focal plane array are configured to have a visible light reflectivity (at a specific operating wavelength) that is a sensitive function of pixel temperature. One way of providing visible light to such a focal plane array is with a side-illuminated diffractive optical waveguide structure. One way of providing high temperature sensitivity of the pixels is for the pixels to include resonant waveguide grating structures.

Direct thermal infrared vision via nanophotonic detector design

A meta-crystal slab includes photonic structure with an input surface and an output surface, and a plurality of first voxels with a first permittivity and a plurality of second voxels with a second permittivity not equal to the first permittivity disposed between the input surface and the output surface. The photonic structure has a periodicity greater than an operating photonic wavelength 'λ' for general convolution by the photonic structure and the photonic structure is configured to provide an output image with a convolution of an input image.

Meta-crystals slabs for general optical convolution and methods for designing meta-crystal slabs

Growing community of inventors

Sunnyvale, CA, United States of America

Weiliang Jin