Systematic design and angular performance of phase-optimized magneto-optic quadrilayers

Ron Atkinson; Ian W. Salter; Jiansheng Xu

doi:10.1117/12.141025

4 March 1993 Systematic design and angular performance of phase-optimized magneto-optic quadrilayers

Ron Atkinson, Ian W. Salter, Jiansheng Xu

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Proceedings Volume 1782, Thin Films for Optical Systems; (1993) https://doi.org/10.1117/12.141025
Event: Optical Systems Design '92, 1992, Berlin, Germany

Abstract

A procedure is described for the design of quadrilayer structures which enhance the polar Kerr effect in magneto-optic recording media. An essential feature of the method is a systematic approach enabling phase-optimization to be achieved resulting in the elimination of the undesirable effects of parasitic Kerr ellipticity. Examples are presented based on the Co/Pt superlattice and amorphous TbFeCo. The spectral and angular performance of fabricated devices is compared with theory.

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Ron Atkinson, Ian W. Salter, and Jiansheng Xu "Systematic design and angular performance of phase-optimized magneto-optic quadrilayers", Proc. SPIE 1782, Thin Films for Optical Systems, (4 March 1993); https://doi.org/10.1117/12.141025

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KEYWORDS

Reflectivity

Magnetism

Kerr effect

Thin films

Magneto-optics

Aluminum

Mirrors

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