…The angle of rotation θ of the plane of polarization is proportional to the thickness d of the material and the magnitude of the magnetic flux density B of the magnetic field, and is expressed as θ = RdB . Here, the proportionality constant R is called the Verdet's constant, and it varies depending on the material and depends on the temperature and the wavelength of the light. In normal materials, the plane of polarization rotates in the same direction as the current flowing through the coil to generate an axial magnetic field in the visible range, regardless of whether the light travels in the same direction as the magnetic field or against it. … *Some of the terminology that mentions "Verdet's constant" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…偏光面の回転角θは,物質の厚さdと磁場の磁束密度の大きさBとに比例し,θ=RdBで表される。ここで比例定数Rはベルデ定数Verdet’s constantと呼ばれ,物質によって異なり,温度や光の波長に依存する。偏光面は光の進行方向が磁場と同じ向きか逆向きかによらず,通常の物質では可視領域で,軸上の磁場を発生するためにコイルに流れる電流と同じ向きに回転する。… ※「Verdet's constant」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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