Titlebook: Infrared Holography for Optical Communications; Techniques, Material Pierpaolo Boffi,Davide Piccinin,Maria C. Ubaldi Book 2003 Springer-Ver

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Review of Optical Data Storage,cording/reading speed. However, we have reached the point where a substantial increase in the capacity cannot be produced without increasing the size of the system. When compact discs (CDs) were introduced in the 1980s they revolutionized the concept of data storage. Since their inception, the capac

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Two-Step Processes and IR Recording in Photorefractive Crystals,th red or near—IR light and nondestructive readout of information is possible. Often shallow levels are involved in the holographic recording process in photorefractive crystals. The shallow levels can be populated by illumination with visible or UV pulses forming states with relatively long lifetim

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Gated Optical Recording for Nonvolatile Holography in Photorefractive Materials,s readout, unless a thermal fixing technique is applied. Gated optical holographic recording allows us to obtain high-diffraction efficiencies in the near InfraRed (IR) jointly with long-term storage. In particular, the roles of stoichiometry and dopant reduction state in LiNbO. in the optimization

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Holographic Reflection Filters in Photorefractive LiNbO3 Channel Waveguides,tral selectivity of holographic filters, e.g. dense wavelength division multiplexing (DWDM) or narrow-bandwidth mirrors for integrated waveguide lasers in LiNbO.. Other possible applications include grating couplers and optical sensors. In this contribution we investigate such holographic wavelength

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1550 nm Volume Holographic Devices for Optical Communication Networks,VH technique offers a valid alternative to the existing approaches in the building of multiplexers/demultiplexers and databases for individual wavelengths inside an optical wavelength division multiplexing (WDM) system. The use of angle multiplexing jointly with the two-lambda method and the thermal

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,Wie Reallabore für Herausforderungen und Expertise in der Gestaltung transdisziplin?ren und transformativen Forschens sensibilisieren – eine Einführung,ekte zu erfüllen. Den Schluss bilden überlegungen zu den Bedingungen dafür, dass die Erfahrungen in Reallaboren fruchtbar gemacht werden k?nnen für die Methodik transdisziplin?ren und transformativen Forschens.