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Approximated Vector Diffraction Theory for Readout Signal of Multi-Level Run-Length-Limited Discs |
| SONG Jie1;XIA Si-Fei2;XU Duan-Yi1 |
| 1Optical Memory National Engineering Research Center, Tsinghua University, Beijing 1000842School of Physics, Shandong University, Jinan 250061 |
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| Cite this article: |
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SONG Jie, XIA Si-Fei, XU Duan-Yi 2008 Chin. Phys. Lett. 25 2097-2100 |
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Abstract Multi-level run-length-limited read-only optical storage is a kind of high density storage method. The width and height of recording marks are varied with different levels, which is the key technology for the optical storage. When
the readout signal of these discs with complex recording marks is computed by vector analysis method, it is very hard and time-consuming. Approximated vector computation combines the convenience of scalar method and precision of vector method, which is effective for multi-level run-length-limited read-only optical storage.
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| Keywords:
42.79.Vb
42.60.Fe
61.10.Dp
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Received: 06 October 2007
Published: 31 May 2008
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