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Applied Optics

Applied Optics


  • Vol. 15, Iss. 11 — Nov. 1, 1976
  • pp: 2698–2700

Sequential information retrieval from holograms

C. S. Ih  »View Author Affiliations

Applied Optics, Vol. 15, Issue 11, pp. 2698-2700 (1976)

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A scheme by which information retrieved from holograms can be made in a true sequential fashion (no buffer storage) is described. By using a reduction lens and making the Fourier transform hologram only in the transverse direction, high information recording density can be achieved in both the longitudinal and transverse direction on a long tape. A tenfold or more increase in total information density as compared with direct recording methods is possible. The feasibility of using this scheme for audio recording is demonstrated. When fully implemented, a multitrack (two or more) and multichannel (four or more) audio system is possible. The hologram tape can be economically replicated.

© 1976 Optical Society of America

Original Manuscript: July 25, 1974
Revised Manuscript: June 22, 1976
Published: November 1, 1976

C. S. Ih, "Sequential information retrieval from holograms," Appl. Opt. 15, 2698-2700 (1976)

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  1. See for instance, R. J. Collier, C. B. Buckhardt, L. H. Lin, Optical Holography (Academic, New York, 1971), Chap. 16.
  2. Y. Takeda, Jpn. J. Appl. Phys. 11, 656 (1972); Y. Takeda, Y. Oshida, Y. Miymma, Appl. Opt. 11, 818 (1972). [CrossRef] [PubMed]
  3. R. Bartolinia, W. Hannan, D. Karlsons, M. Lurie, Appl. Opt. 9, 2283 (1970). [CrossRef]

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