FIELD: optics. SUBSTANCE: proposed recording unit includes object, photorecording medium and reflector placed on optical axis and Fourier lens. Object is located in front focal plane of Fourier lens and photorecording medium is positioned in its real focal plane. Reflector in this case is manufactured in the form of concave mirror and is placed at double focal distance of mirror from photorecording medium. EFFECT: invention provides for recording of reflective thick-layer Fourier hologram in monochromatic light with partial spatial coherence. 2 dwg
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