FIELD: physics.
SUBSTANCE: collimated broadband optical radiation transmitted through the microobject is filtered and polarized by a tunable monochromator and polarizer and then divided into two identical beams which are angled and directed to the input of the 4f-system in which a spatial filtering of one of them is performed in the plane of the intermediate image with emission of narrowly directed radiation in the form of a plane wave in it, then their interference patern is registered by a matrix radiation receiver. The procedure is repeated for all required spectral components.
EFFECT: possibility of obtaining images of phase microobjects in arbitrary narrow spectral intervals, simplified design, reduced size.
3 cl, 1 dwg
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