Imaging method and apparatus using circularly polarized light

SKH Pau - US Patent 11,573,428, 2023 - Google Patents
A three-dimensional imaging system includes at least one light source, a circular or elliptical
polarization beamsplitter, a detector arrangement and an image processor. The light source …

Optical system, fundus examination apparatus, fundus imaging apparatus, and fundus examination system

K Yamane - US Patent 11,839,431, 2023 - Google Patents
An optical system for observing reflected light from a fundus includes: an irradiation unit for
irradiating an eye with light exited from a light source; a light-acceptance unit for accepting …

Polarization filtering for improved eye imaging

SA Miller, M Meloni - US Patent 11,690,511, 2023 - Google Patents
An optical device can include: an incident light polarizer positioned to receive incident light
and configured to polarize incident light such that polarized incident light is directed to a …