Polarimetry of electromagnetic materials

Toru Asahi; Tetsuya Osaka; Jinzo Kobayashi

doi:10.1117/12.432942

9 July 2001 Polarimetry of electromagnetic materials

Toru Asahi, Tetsuya Osaka, Jinzo Kobayashi

Proceedings Volume 4467, Complex Mediums II: Beyond Linear Isotropic Dielectrics; (2001) https://doi.org/10.1117/12.432942
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

The goal of the polarimetry of electromagnetic solids is the thorough determinations of not only the linear and circular birefringences (LB an CB) but also the linear and circular dichroisms (LD and CD). Needless to say, measurements of circular phenomena are exceedingly more difficult than those of linear ones. For instance, the long period of 170 years elapsed from the discovery of CB by Arago in 1811 until the development of high accuracy universal polarimeter (HAUP) by Kobayashi in 1983, when the first perfect measurements of CB of solids became possible. Subsequent to the appearance of the HAUP method, attempts of extending HAUP theory to be applicable to CD measurements were followed by Moxon and Renshaw, and Dijkstra, Kremers, and Meekes by using Jones matrix calculus. However, their measurements to NiSO₄ multiplied by 6H₂O were not fully satisfactory. We completed afresh the theory of the extended HAUP and measured successfully LD of a high temperature superconductor Bi₂Sr₂CaCu₂O₈. An important fact was clarified; the extended HAUP theory indicates that CD can be obtained exclusively through accurate measurements of (theta) ₀, a characteristic angle introduced in the original HAUP method. It means that there would be no ways for measuring CD of solids except for the HAUP method. Preliminary results of applying our theory to silver thiogallate are shown finally.

Citation Download Citation

Toru Asahi, Tetsuya Osaka, and Jinzo Kobayashi "Polarimetry of electromagnetic materials", Proc. SPIE 4467, Complex Mediums II: Beyond Linear Isotropic Dielectrics, (9 July 2001); https://doi.org/10.1117/12.432942

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