Consideration and control of writing conditions with near-field aperture solid immersion lens probe

Shu Guo Tang, Thomas D Milster

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Control of writing conditions for near-field aperture-SIL (APSIL) probe is investigated with respect to polarization, axial focus position of the objective lens and beam transverse misalignment. Both FDTD simulations and edge-scan experiments are used in the investigation. The TE direction is the optimal writing polarization direction and the probe exit plane is the optimum focus position of the illuminating lens. Spot size change and spot position shift relative to the center of the probe are observed with TE polarization when the writing beam is transversely misaligned.

Original languageEnglish (US)
Pages (from-to)1090-1094
Number of pages5
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume42
Issue number2 B
StatePublished - Feb 2003

Fingerprint

submerging
Lenses
near fields
apertures
lenses
Polarization
probes
polarization
finite difference time domain method
misalignment
illuminating
shift
simulation
Experiments

Keywords

  • Axial focus position
  • Beam transverse alignment
  • Near-field aperture SIL probe
  • Optical data storage
  • Polarization
  • Spot profile

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

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AB - Control of writing conditions for near-field aperture-SIL (APSIL) probe is investigated with respect to polarization, axial focus position of the objective lens and beam transverse misalignment. Both FDTD simulations and edge-scan experiments are used in the investigation. The TE direction is the optimal writing polarization direction and the probe exit plane is the optimum focus position of the illuminating lens. Spot size change and spot position shift relative to the center of the probe are observed with TE polarization when the writing beam is transversely misaligned.

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