The invention relates to a three-dimensional optical memory devices and can be used in all areas of computing, where a record large amounts of information on compact media. The apparatus includes an optical disc positioning system, two sources of radiation with wavelengths λ1 and λ1 waves, focusing system, an illumination system, the positioning means of the focusing system, a spectrum, and the light detector and control unit. The radiation source with a length λ2 wavelength is in the form of an array of laser diodes, optical axes are parallel and lie in one plane, while the illumination system comprises sequentially arranged along optical cylindrical lens axis, arranged so that forming the cylindrical surface parallel to the pn junctions of the laser to the plane diode and a focusing lens mounted on the optical distance L from the cylindrical lens that satisfies the condition L F, where F - focal distance of the focusing lens.; 4 ill.
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