FIELD: diffraction optics, possible use for performing express analysis of geometric relief positioned on the surface of target object, and also of colored graphic information present thereon.
SUBSTANCE: in device, due to use of acoustic-optical adjustable filter, a stream of optic emission is generated, lighting the surface of object with given values of section range, and also due to absence of necessity for mechanical movement of photo-detecting device.
EFFECT: possible construction of device for forming a set of standard object surface data and later identification of geometric relief of surface and colored graphic information.
16 cl, 5 dwg
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