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20 October 1997 Volume disk memory with overlapping, time-integrating, and collinear optical heterodyning of holograms
Eugeny Ruvimovich Tsvetov, Georgy A. Matevosov
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Proceedings Volume 3238, Current Ukrainian Research in Optics and Photonics: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing; (1997) https://doi.org/10.1117/12.284795
Event: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing, 1997, none, Ukraine
Abstract
The volume memory is proposed to be synthesized by overlapping of 1D expanded partial holograms on the moving carrier. The collinear optical heterodyning is used for data readout. With this approach the problematic 2D spatial light modulators are not necessary. The 1D partial holograms can be recorded by both the spatial pulse integrating and the time integrating techniques. For the latter case the acousto-optical scheme with so-called double counter scanning was worked out. The experimental results on recording hand reproducing of the wideband signals in the acousto-optical scheme confirm the real possibility for creation of such a holographic memory.
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Eugeny Ruvimovich Tsvetov and Georgy A. Matevosov "Volume disk memory with overlapping, time-integrating, and collinear optical heterodyning of holograms", Proc. SPIE 3238, Current Ukrainian Research in Optics and Photonics: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing, (20 October 1997); https://doi.org/10.1117/12.284795
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KEYWORDS
Holograms
Heterodyning
Holography
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