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Optics Letters

Optics Letters


  • Vol. 26, Iss. 24 — Dec. 15, 2001
  • pp: 1987–1989

High-performance readout and recording by a combination aperture

Shu-Guo Tang, Tom D. Milster, J. Kevin Erwin, and Warren L. Bletscher  »View Author Affiliations

Optics Letters, Vol. 26, Issue 24, pp. 1987-1989 (2001)

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A solid immersion lens combined with a conical dielectric tip exhibits good resolution and efficiency in reading and recording data marks on optical storage media. We demonstrate a combination aperture that produces ~200-nm full-width 1/e2 spot size and achieves 50% optical efficiency in an edge-scan experiment. A comparison of recording with the combination aperture, with an unmodified solid immersion lens, and with a far-field system is made.

© 2001 Optical Society of America

OCIS Codes
(180.5810) Microscopy : Scanning microscopy
(210.0210) Optical data storage : Optical data storage
(210.4810) Optical data storage : Optical storage-recording materials
(260.1960) Physical optics : Diffraction theory

Shu-Guo Tang, Tom D. Milster, J. Kevin Erwin, and Warren L. Bletscher, "High-performance readout and recording by a combination aperture," Opt. Lett. 26, 1987-1989 (2001)

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  1. D. Rugar, W. R. Studenmund, B. D. Terris, H. J. Mamin, and G. S. Kino, Appl. Phys. Lett. 65, 388 (1994).
  2. R. Wolfe, E. M. Gyorgy, P. L. Finn, M. H. Kryder, E. Betzig, J. K. Trautman, and C.-H. Chang, Appl. Phys. Lett. 61, 142 (1992).
  3. K. Hirota, Y. Zhang, T. D. Milster, and J. K. Erwin, Jpn. J. Appl. Phys. 39, 973 (2000).
  4. T. D. Milster, F. Akhavan, M. Bailey, J. K. Erwin, D. M. Felix, K. Hirota, S. Koester, K. Shimura, and Y. Zhang, Jpn. J. Appl. Phys. 40, 1778 (2001).
  5. T. D. Milster, Opt. Eng. 40, 2255 (2001).

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