Spectral sensor for multispectral imaging. Interuniversitair Micro-Electronica Centrum vzw
The present disclosure relates to a spectral sensor for acquiring spectral information of an object. The spectral sensor comprises an array of photo- sensitive areas forming pixels, a first type of interference filter comprising at least two reflective multilayers of a first type, wherein the multilayers are separated by an intermediate layer configured to give a constructive interference for a wavelength in a first wavelength range and a second type of interference filter comprising at least two reflective multilayers of a second type, wherein the multilayers are separated by an intermediate ...