Shift Multiplex Recording of Four-Valued Phase Data Pages by Volume Retardagraphy
| Autor: | Toyohiko Yatagai, Takashi Fukuda, Shigeo Kawata, Daisuke Barada, Hiroki Sekiguchi |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2014 |
| Předmět: |
3D optical data storage
polarization holography polarization-sensitive material Computer science lcsh:Technology lcsh:Chemistry retardagraphy Computer graphics (images) Optical memory optical data storage General Materials Science Multiplex Instrumentation lcsh:QH301-705.5 Fluid Flow and Transfer Processes lcsh:T Process Chemistry and Technology General Engineering lcsh:QC1-999 Computer Science Applications lcsh:Biology (General) lcsh:QD1-999 volume holographic memory lcsh:TA1-2040 phase data page lcsh:Engineering (General). Civil engineering (General) Algorithm lcsh:Physics Coding (social sciences) |
| Zdroj: | Applied Sciences, Vol 4, Iss 2, Pp 158-170 (2014) Applied Sciences Volume 4 Issue 2 Pages 158-170 |
| ISSN: | 2076-3417 |
| Popis: | In this paper, shift multiplex recording of phase data pages on a volume polarization-sensitive medium by retardagraphy is demonstrated. The origin of shift selectivity in volume retardagraphy is explained. In the experiment, four-valued phase data pages are used. Then, a coding method is proposed to correct a reconstructed phase pattern. The recorded phase data pages are reconstructed using the feature of the coding method. By comparing the reconstructed phase data pages with recording phase data pages, symbol error rates of less than 11% are achieved. From the experimental result, it is verified that volume retardagraphy is applicable to optical memory. |
| Databáze: | OpenAIRE |
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