New HAMR head with the grating structure is proposed and its geometric features are optimized with FDTD. With optical enhancement of surface plasmon polariton, it is expected that new head can provide better optical efficiency.
© 2007 OSA
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1950) Diffraction and gratings : Diffraction gratings
(240.0240) Optics at surfaces : Optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons
D. Lim and Y. Kim, " Light Delivery for the Heat Assisted Magnetic Recording (HAMR) Head with Grating Structure," in Optical Data Storage, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper MD4.