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Proceedings Article

90° bent metallic waveguide with a tapered C-shaped aperture for use in HAMR

[+] Author Affiliations
J. Brian Leen, Paul C. Hansen, Lambertus Hesselink

Stanford Univ.

Eunhyoung Cho, Sung-Dong Suh, Jin-Seung Sohn, Sung-Hoon Choa

Samsung Advanced Institute of Technology (South Korea)

Proc. SPIE 6620, Optical Data Storage 2007, 66200R (July 11, 2007); doi:10.1117/12.738908
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From Conference Volume 6620

  • Optical Data Storage 2007
  • Bernard Bell; Takeshi Shimano
  • Portland, OR | May 20, 2007

abstract

An efficient and compact method of introducing light into a magnetic recording head for use in Heat Assisted Magnetic Recording (HAMR) is proposed. The technique uses a polymer waveguide to source light into a novel metallic structure consisting of a sub-wavelength C-aperture waveguide with a 90° bend and a tapered section. The structure is modeled using Finite Difference Time Domain (FDTD) simulations and it is shown that the 90° bend allows for low loss near-field optical access into a conventional magnetic recording head while the tapered C-waveguide allows for maximum input coupling and a minimum spot size at the recording media.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

J. Brian Leen ; Eunhyoung Cho ; Sung-Dong Suh ; Paul C. Hansen ; Jin-Seung Sohn, et al.
"90° bent metallic waveguide with a tapered C-shaped aperture for use in HAMR", Proc. SPIE 6620, Optical Data Storage 2007, 66200R (July 11, 2007); doi:10.1117/12.738908; http://dx.doi.org/10.1117/12.738908


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