Measurements of Nonlinear Mark Edge Shift for Phase Change Optical Disk Systems

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概要

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• A new measurement method using the autocorrelation of readout pseudorandom sequence signals is proposed for evaluating the nonlinear mark edge shift of the phase change optical disk. The measurement abilities of the method are evaluated using 255-bit maximal length sequence signals. The nonlinear mark edge shifts are determined experimentally by using pulse train recordings and these results also agree with theoretical analysis.

• 2012-08-25

著者

• Ansai Tsutomu

  Ibaraki National College of Technology, Hitachinaka, Ibaraki 312-8508, Japan

• Tanabe Takaya

  Ibaraki National College of Technology, Hitachinaka, Ibaraki 312-8508, Japan

• Okubo Kohei

  Ibaraki National College of Technology, Hitachinaka, Ibaraki 312-8508, Japan

関連論文

• Simple Readout Channel Model of Super-Resolution Near-Field Structure Disk System
• Measurements of Nonlinear Mark Edge Shift for Phase Change Optical Disk Systems

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