New stack system for records

Article Abstract:

Peptide oligomers possess a high potential as recording media for holographic storage. The concept of holographic storage involves the recording of an image in an optically sensitive material as an interference pattern. Two laser beams are used, with one acting as a reference beam and the other passing through the image to be stored. The image can be retrieved by diffracting a laser beam off the pattern. One advantage of peptide oligomers is that they do not require an electric field to write or read the information, unlike photorefractive polymers.

Equipment and supplies, Peptides, Holography, Optical storage devices

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Design and synthesis of chromophores and polymers for electro-optic and photorefractive applications

Article Abstract:

Researchers have looked at the design of molecules with large second-order optical nonlinearities, giving particular attention to ways of boosting the thermal stability of chromophores. It appears that there are now systems available for some applications which have an adequate combination of thermal stability, transparency and optical nonlinearities. There are still some difficulties connected with the scale-up of materials synthesis, system integration and device fabrication.

Molecular structure

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Thanks for the memory

Article Abstract:

Advances in data storage have reached the stage where storage media could attain densities of as much as 0.65 Gbits per square inch, which is the case with magneto-optical disks. Such optical data storage involve photons which contribute to the ability to store a great amount of data. A particular system to optical storage proposed by Lin, Wang and Mossberg uses the frequency-selective procedure to achieve a density of 8 Gbits per sq. in.

Innovations, Optical data processing, Information storage and retrieval

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