We describe a practical approach to image storage in a coherent time-domain optical memory that can be readily implemented with existing technologies. In this approach, two-dimensional images are stored spectroholographically in narrow (≲1-MHz) frequency channels of a time-domain storage material by use of a low-power laser, with one image per channel. Advantages of this approach include fast single-frame recording time, variable playback speeds, and random frame access. Experimental results demonstrating the use of this approach for high-speed, long-term image storage in Eu³⁺:Y₂SiO₅ are presented.

© 1994 Optical Society of America

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