Universal linear processing of spatially incoherent light through diffractive optical networks

https://phys.org/news/2023-08-universal-linear-spatially-incoherent-diffractive.html

"structurally engineered surfaces & exploit successive light diffraction... input light field linear transformation without external digital computing power... spatially incoherent broadband, simultaneously perform multiple linear intensity transformations, uniquely different transformation assigned to each spatially incoherent illumination wavelength... all-optical information processing and visual computing spatially and temporally incoherent light, microscopy & incoherent imaging spatially varying engineered point spread"