Elliptically polarized light in alkali amphibole from Pocos de Caldas, Brazil
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概要
- 論文の詳細を見る
An alkali amphibole crystal on a thin section of nepheline syenite from Poços de Caldas, Brazil is examined using an elliptically polarizing microscope equipped with a mercury lamp as a light source and a pair of rotatable quarter wave plates placed in the optical path. The nature of the light transmitted through the crystal is revealed to be an elliptically polarized light with an ellipticity of 0.23. This result is concordant with the works of T. Shoda (1957; 1958; 1961), who revealed the existence of elliptically polarized light not only in optically active crystals but also in some absorbing crystals. The difference between the nature of the elliptically polarized light resulting from absorption and that due to optical activity is discussed.
- 日本鉱物科学会の論文
- 2004-04-01
著者
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YOSHIZAWA Masami
Saitama Institute of Technology
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NEGISHI Riichirou
Saitama Institute of Technology
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Okudaira Takamoto
Department Of Earth And Planetary Systems Science Faculty Of Science Hiroshima University
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Okudaira Takamoto
Department Of Geosciences Osaka City University
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Aikawa Nobuyuki
Department Of Geosciences Faculty Of Science Osaka City University
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Aikawa Nobuyuki
Department Of Geosciences Osaka City University
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TOKONAMI Masayasu
Saitama Institute of Technology
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