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

Research output: Contribution to journalArticle

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

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Optical recording
submerging
Lenses
recording
lenses
air
Air
Optical systems
readout
near fields
flight
Wavelength
wavelengths

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)

Cite this

Air gap dependence of write and read characteristics in magneto-optical recording with solid immersion lens. / Kawano, H.; Chekanov, A.; Matsumoto, K.; Ozaki, K.; Sbiaa, R.; Suzuki, T.

In: IEEE Transactions on Magnetics, Vol. 37, No. 4 I, 07.2001, p. 1409-1411.

Research output: Contribution to journalArticle

Kawano, H. ; Chekanov, A. ; Matsumoto, K. ; Ozaki, K. ; Sbiaa, R. ; Suzuki, T. / Air gap dependence of write and read characteristics in magneto-optical recording with solid immersion lens. In: IEEE Transactions on Magnetics. 2001 ; Vol. 37, No. 4 I. pp. 1409-1411.
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