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Novel media structure based on metal/dielectric layer for the surface plasmon enhancement was designed and analyzed opto-thermally to understand the effectiveness of local heating in the magnetic media for heat assisted magnetic recording (HAMR) application. Near-field optical and thermal characteristics of this surface plasmon assisted HAMR (SPAH) media were studied with a nano-slit aperture of grating...
New heat assisted magnetic recording (HAMR) head of double grating structure is proposed and simulated using FDTD. Since the near-field optical power strongly depends on the polarization of light, structure of waveguide metal film and enhancement of surface plasmon polariton, it is expected for new head structure to provide greater optical power from the optimization of grating structure for the best...
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