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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • 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)
http://dx.doi.org/10.1364/OL.26.001987


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Abstract

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

Citation
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)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-24-1987


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References

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  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).
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