Evanescent coupling in magneto-optical and phase-change disk systems based on the solid immersion lens (SIL)

Wei-Hung Yeh; Masud Mansuripur

doi:10.1117/12.997627

28 June 1999 Evanescent coupling in magneto-optical and phase-change disk systems based on the solid immersion lens (SIL)

Wei-Hung Yeh, Masud Mansuripur

Author Affiliations +

Proceedings Volume 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999; 386436 (1999) https://doi.org/10.1117/12.997627
Event: Optical Data Storage, 1999, Kauai, HI, United States

Abstract

Through the coupling of evanescent waves into the recording medium, the size ofthe marks that a SIL-based optical system is able to write and read is substantially reduced. This promises a significant increase in the storage density and data rate of optical storage devices. However, without properly controlling the flight height ofthe SIL above the spinning disk, the available optical energy for recording as well as the readout resolution are severely compromised. Here we present results of numerical simulations pertaining to evanescent coupling for magneto-optical (MO) and phase-change (PC) disks through a solid immersion lens.

Citation Download Citation

Wei-Hung Yeh and Masud Mansuripur "Evanescent coupling in magneto-optical and phase-change disk systems based on the solid immersion lens (SIL)", Proc. SPIE 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999, 386436 (28 June 1999); https://doi.org/10.1117/12.997627

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