FIELD: holography. SUBSTANCE: device recording large-size holograms includes source of coherent radiation, holographic interferometer which reference and object arms are optically coupled to registering medium deposited on photoplate. Photoregistration unit and former of controlling signals of device are manufactured in the form of two channels. Each channel has lens mounted between photoregistration unit and registering medium. Lens in first channel is put behind first region of registering medium and lens in second channel is placed behind second region of registering medium which does not cross with first one. Comparator, electron key and phase shifter are installed additionally. Formers of controlling signals of first and second channels are additionally provided with one synchronous amplifier each. EFFECT: simplified design, enhanced operational reliability. 2 cl, 3 dwg
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