Dynamic Volume Holography and Optical Information Processing by Raman Scattering

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A method of producing holograms of three-dimensional optical pulses is proposed. It is shown that both the amplitude and the phase profile of three-dimensional optical pulse can be stored in dynamic perturbations of a Raman medium, such as plasma. By employing Raman scattering in a nonlinear medium, information carried by a laser pulse can be captured in the form of a slowly propagating low-frequency wave that persists for a time large compared with the pulse duration. If such a hologram is then probed with a short laser pulse, the information stored in the medium can be retrieved in a second ... continued below

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Dodin,I.Y. & Fisch, N.J. September 5, 2002.

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Description

A method of producing holograms of three-dimensional optical pulses is proposed. It is shown that both the amplitude and the phase profile of three-dimensional optical pulse can be stored in dynamic perturbations of a Raman medium, such as plasma. By employing Raman scattering in a nonlinear medium, information carried by a laser pulse can be captured in the form of a slowly propagating low-frequency wave that persists for a time large compared with the pulse duration. If such a hologram is then probed with a short laser pulse, the information stored in the medium can be retrieved in a second scattered electromagnetic wave. The recording and retrieving processes can conserve robustly the pulse shape, thus enabling the recording and retrieving with fidelity of information stored in optical signals. While storing or reading the pulse structure, the optical information can be processed as an analogue or digital signal, which allows simultaneous transformation of three-dimensional continuous images or computing discrete arrays of binary data. By adjusting the phase fronts of the reference pulses, one can also perform focusing, redirecting, and other types of transformation of the output pulses.

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1.0 Megabytes pages

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INIS; OSTI as DE00809839

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  • Other Information: PBD: 5 Sep 2002

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  • Report No.: PPPL-3747
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/809839 | External Link
  • Office of Scientific & Technical Information Report Number: 809839
  • Archival Resource Key: ark:/67531/metadc736397

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • September 5, 2002

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  • Oct. 18, 2015, 6:40 p.m.

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  • April 15, 2016, 9:58 p.m.

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Dodin,I.Y. & Fisch, N.J. Dynamic Volume Holography and Optical Information Processing by Raman Scattering, report, September 5, 2002; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc736397/: accessed December 12, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.