Near-field recording head with simple tracking design

Der-Ray Huang*, Zu Wen Chao, Guo Zua Wu, Eric G. Lean

*Corresponding author for this work

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

A two-zone solid-immersion lens is proposed for use in near-field recording. Two spots are generated. One illuminates the lower flat plane of the disk for reading/writing and the other illuminates the upper pregroovcd plane of the disk for push-pull tracking.

Original languageEnglish
Pages (from-to)1774-1776
Number of pages3
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume38
Issue number3 B
DOIs
StatePublished - 1 Dec 1999

Keywords

  • Near-field optics
  • Optical data storage
  • Optical pick-up head
  • Push-pull tracking
  • Solid-immersion lens

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