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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 14 — May. 10, 2001
  • pp: 2323–2330

Polarization dependence of readout signals from periodic one-dimensional arrays of magnetic domains in magneto-optical media and crystalline-amorphous line pairs in phase-change media of optical recording

Rongguang Liang, Lifeng Li, Kimihiro Saito, and Masud Mansuripur  »View Author Affiliations


Applied Optics, Vol. 40, Issue 14, pp. 2323-2330 (2001)
http://dx.doi.org/10.1364/AO.40.002323


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Abstract

Polarization dependence of signals from periodic one-dimensional arrays of magnetic domains in magneto-optical (MO) media and crystalline domains in amorphous phase-change (PC) media has been studied by theoretical calculation and experiment. The MO signal in the small-period regime depends on the direction of incident polarization. The relative strength of the E and E signals changes depending on the period of the pattern, the wavelength of the light, and the numerical aperture of the objective lens. For PC media, the reflected signal has similar polarization dependence, but this dependence is weak.

© 2001 Optical Society of America

OCIS Codes
(210.0210) Optical data storage : Optical data storage
(210.3820) Optical data storage : Magneto-optical materials
(260.1960) Physical optics : Diffraction theory
(260.5430) Physical optics : Polarization

History
Original Manuscript: October 30, 2000
Revised Manuscript: February 5, 2001
Published: May 10, 2001

Citation
Rongguang Liang, Lifeng Li, Kimihiro Saito, and Masud Mansuripur, "Polarization dependence of readout signals from periodic one-dimensional arrays of magnetic domains in magneto-optical media and crystalline-amorphous line pairs in phase-change media of optical recording," Appl. Opt. 40, 2323-2330 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-14-2323


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References

  1. H. H. Hopkins, “Diffraction theory of laser read-out systems for optical video discs,” J. Opt. Soc. Am. 69, 4–24 (1979). [CrossRef]
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  9. DELTA is a diffraction grating program written by Lifeng Li; DIFFRACT is a product of MM Research, Inc., Tucson, Arizona. The theoretical basis of DIFFRACT has been described in the following papers by M. Mansuripur: “Certain computational aspects of vector diffraction problems,” J. Opt. Soc. Am. A 6, 789–805 (1989); “Distribution of light at and near the focus of high-numerical-aperture objectives,” J. Opt. Soc. Am. A3, 2086–2093 (1986); erratum, 382–383 (1993); “Analysis of multilayer thin film structures containing magneto-optic and anisotropic media at oblique incidence using 2 × 2 matrices,” J. Appl. Phys. 67, 6466–6475 (1990).

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