Universal linear intensity transformations using spatially incoherent diffractive processors.

ABSTRACT: Under spatially coherent light, a diffractive optical network composed of structured surfaces can be designed to perform any arbitrary complex-valued linear transformation between its input and output fields-of-view (FOVs) if the total number (N) of optimizable phase-only diffractive features is ≥~2N_iN_o, where N_i and N_o refer to the number of useful pixels at the input and the output FOVs, respectively. Here we report the design of a spatially incoherent diffractive optical processor that can approximate any arbitrary linear transformation in time-averaged intensity between its input and output FOVs. Under spatially incoherent monochromatic light, the spatially varying intensity point spread function (H) of a diffractive network, corresponding to

SUBMITTER: Rahman MSS 

PROVIDER: S-EPMC10427714 | biostudies-literature | 2023 Aug

REPOSITORIES: biostudies-literature