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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 8 — Mar. 10, 2000
  • pp: 1315–1322

Device for magneto-optic signal detection with a small crystal prism

Kimihiro Saito, Shuzo Sato, Kuninori Shino, and Tadashi Taniguchi  »View Author Affiliations


Applied Optics, Vol. 39, Issue 8, pp. 1315-1322 (2000)
http://dx.doi.org/10.1364/AO.39.001315


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Abstract

A device made of a birefringent crystal for signal detection of magneto-optic (MO) disks is presented. The light beam from a MO disk is separated into two orthogonally polarized components at the surface of a birefringent prism. After these two components are reflected by the top and the bottom surfaces of the prism inside, at the detector they become sufficiently separated from each other for discrete detection, even though the prism is small. A method for calculating the light intensities and the positions of focused beams in a birefringent prism and the results of a fundamental experiment are presented.

© 2000 Optical Society of America

OCIS Codes
(210.0210) Optical data storage : Optical data storage
(210.3810) Optical data storage : Magneto-optic systems
(230.0230) Optical devices : Optical devices
(230.3120) Optical devices : Integrated optics devices
(260.1180) Physical optics : Crystal optics
(260.1960) Physical optics : Diffraction theory

History
Original Manuscript: August 19, 1999
Revised Manuscript: November 29, 1999
Published: March 10, 2000

Citation
Kimihiro Saito, Shuzo Sato, Kuninori Shino, and Tadashi Taniguchi, "Device for magneto-optic signal detection with a small crystal prism," Appl. Opt. 39, 1315-1322 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-8-1315

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