Optical and magneto-optical characteristics of sol-gel derived bismuth-doped iron garnets (using the Ultimate Elipsometer)

John T. Simpson; Gimtong T. Teowee; Masud Mansuripur

doi:10.1117/12.218739

8 September 1995 Optical and magneto-optical characteristics of sol-gel derived bismuth-doped iron garnets (using the Ultimate Elipsometer)

John T. Simpson, Gimtong T. Teowee, Masud Mansuripur

Author Affiliations +

Proceedings Volume 2514, Optical Data Storage '95; (1995) https://doi.org/10.1117/12.218739
Event: Optical Data Storage '95, 1995, San Diego, CA, United States

Abstract

This paper gives optical and magneto-optical (MO) characterization results (index of refraction, absorption coefficient, thickness, Faraday rotation, and coercivity) obtained from bismuth-doped dysprosium iron garnet samples. These samples were prepared under differing sol-gel processing conditions and were characterized using the Ultimate Ellipsometer. After first describing the design and measurement capabilities of the Ultimate Ellipsometer (Simpson, 1995), we then describe how various processing parameters, such as spin speed and annealing temperatures, affect the bismuth iron garnet material's optical and MO properties.

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John T. Simpson, Gimtong T. Teowee, and Masud Mansuripur "Optical and magneto-optical characteristics of sol-gel derived bismuth-doped iron garnets (using the Ultimate Elipsometer)", Proc. SPIE 2514, Optical Data Storage '95, (8 September 1995); https://doi.org/10.1117/12.218739

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KEYWORDS

Sensors

Polarization

Diffraction

Signal detection

Annealing

Garnet

Diffraction gratings

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