Air gap dependence of write and read characteristics in magneto-optical recording with solid immersion lens

H. Kawano*, A. Chekanov, K. Matsumoto, K. Ozaki, R. Sbiaa, T. Suzuki

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

A near-field MO recording was done at a wavelength of 680 nm using a super-hemispherical SIL flying head. The SIL optical system has a designed NA of 1.46. The SIL can write and read marks to a minimum length of about 0.15μm. The optical readout characteristic with the SIL is not very sensitive to air gaps if the air gaps are kept below about 130 nm.

Original languageEnglish
Pages (from-to)1409-1411
Number of pages3
JournalIEEE Transactions on Magnetics
Volume37
Issue number4 I
DOIs
Publication statusPublished - Jul 2001

Keywords

  • Air gap
  • High numerical aperture (NA)
  • Magneto-optical (MO) media
  • Near-field optical recording
  • Solid immersion lens (SIL) flying head

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Physics and Astronomy (miscellaneous)

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