... rotation of polarization of light, such as optical, magnetic, temperature controller, rapid optical switch, narrow, the laser gyroscope, the Angle measuring ... many of today laser systems. Large aperture high glass Faraday rotator verdet constant (defined as per unit per unit path rotating ... in low magnetic field intensity of a given length. ( Faraday Rotator Glass Technical index) Tb-20 Tb-23 Tb-26 ( ...