COMPARISON OF THE OPTICAL AND THERMAL CHARACTERISTICS OF A DOUBLE-RECORDING-LAYERED MAGNETO-OPTICAL DISK WITH DIFFERENT INTERLAYERS
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TP333.3 TP333.4

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    Abstract:

    Magneto-optical(MO) storage is an attractive technology for next generation storage.In order to increase the capacity of storage in a single disk,one of the approaches is applying the multi-valued recording and multi-wavelength readout technique,i.e.,so called 3-dimensional(3-D) MO storage.Lasers of different wavelengths are used to read or write data on different recording layers.The difference in the temperature profiles of this kind of MO disk caused by different lasers is expected to be large enough for improving the signal to noise ratio(SNR).In this study,optical matrix method and finite element method were applied to analyze the thermal and magneto-optical responses for a 3-D MO disk.The results show that the MO disk with GaP as interlayers has a potential in improving the thermal and optical performance at two blue wavelengths compared with the MO disk with SiN interlayers.

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ZHENG Yu-Xiang, XU Cong-Hui, ZHANG Rong-Jun, LI Jin, WANG Song-You, CHEN Liang-Yao. COMPARISON OF THE OPTICAL AND THERMAL CHARACTERISTICS OF A DOUBLE-RECORDING-LAYERED MAGNETO-OPTICAL DISK WITH DIFFERENT INTERLAYERS[J]. Journal of Infrared and Millimeter Waves,2005,24(6):445~449

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  • Received:September 02,2004
  • Revised:June 20,2005
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