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Analysis of Multipulse Strategies for High Data Rate Phase Change Optical Recording

  • Aparna C. Sheila (a1) and T.E. Schlesinger (a1)

Abstract

Multipulse strategies for two disk rotation velocities of the same phase change optical disk, were analyzed using simulations, at red and blue wavelengths. Results showed that at either wavelength, lower pulse duty cycles are needed at lower velocities to reduce recrystallization and higher duty cycles are needed at higher velocities. Optimal erase powers and cooling width for minimal overwrite jitter were also found.

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1. Yamada, N., ODS Digest, p 98, 1997.
2. Sheila, Aparna, Lambeth, D.N., Schlesinger, T.E., SPIE 4090, 116, 2000
3. Ohkubo, S., Okada, M., Murahata, M., Ide, T., Iwanaga, T., Jpn. J. Appl. Phys., 32, 5230, '93.10.1143/JJAP.32.5230
4. Kasami, Y., Kuroda, Y., Seo, K.et al., Jpn. J. Appl. Phys. 39, 756, Part 1, No. 2B, 2000

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Analysis of Multipulse Strategies for High Data Rate Phase Change Optical Recording

  • Aparna C. Sheila (a1) and T.E. Schlesinger (a1)

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