Objective: Demonstrate the Faraday effect and determine the Verdet constant for flint glass
Optically isotropic, transparent, non-magnetic materials become optically active in a magnetic field. They rotate the plane of polarisation of linearly polarised light passing through them in the direction of the magnetic field because clockwise and anti-clockwise circularly polarised components of the light take differing amounts of time to pass through. This effect is known as the Faraday effect. In this ex-periment, the Faraday effect will be measured for flint glass. This particular type of glass exhibits a high degree of very uniform optical dispersion. The way that the frequency depends on the refractive index n is given to a good approximation by a Cauchy formula.
![Experiment: Faraday effect (230 V, 50/60 Hz), 8000689 [UE4040600-230], Polarisation](/imagelibrary/UE4040600-230/UE4040600-230_01_Experiment-Faraday-effect-230-V-5060-Hz.jpg)
![Experiment: Faraday effect (230 V, 50/60 Hz), 8000689 [UE4040600-230], Polarisation](/thumblibrary/UE4040600-230/UE4040600-230_01_1200_1200_Experiment-Faraday-effect-230-V-5060-Hz.jpg)
![光具座滑块 D，90/50, 1002635 [U103111], 使用光具座的光学](/thumblibrary/U103111/U103111_01_140_140_光具座滑块-D-9050.jpg)
![带支杆的偏振过滤器, 1008668 [U22017], 位于支架上的光学组件](/thumblibrary/U22017/U22017_01_140_140_带支杆的偏振过滤器.jpg)
![精密光具座 D，1000 mm, 1002628 [U10300], 使用光具座的光学](/thumblibrary/U10300/U10300_01_140_140_精密光具座-D-1000-mm.jpg)
![圆筒支脚, 1002834 [U13265], 基底](/thumblibrary/U13265/U13265_01_140_140_圆筒支脚.jpg)
![投影屏幕, 1000608 [U17130], 位于支架上的光学组件](/thumblibrary/U17130/U17130_01_140_140_投影屏幕.jpg)
![一对磁极靴，带有钻孔, 1000978 [U8497200], 可拆卸变压器D](/thumblibrary/U8497200/U8497200_01_140_140_一对磁极靴-带有钻孔.jpg)
![光学实验底座 D, 1009733 [U10319], 使用光具座的光学](/thumblibrary/U10319/U10319_01_140_140_光学实验底座-D.jpg)
![直流电源 1 – 32 V / 0 – 20 A, 1012857 [U11827-230], 供电器](/thumblibrary/U11827-230/U11827-230_01_140_140_直流电源-1-32-V-0-20-A.jpg)
![通用夹, 1002833 [U13261], Clamp, Crocs and Accessory](/thumblibrary/U13261/U13261_01_140_140_通用夹.jpg)
![一套接插线，15个，长度 75 cm, 1002840 [U13800], 电循环](/thumblibrary/U13800/U13800_01_140_140_一套接插线-15个-长度-75-cm.jpg)
![Helium-Neon Laser, 1003165 [U21840], 位于支架上的光学灯](/thumblibrary/U21840/U21840_01_140_140_Helium-Neon-Laser.jpg)
![Red Laser Diode, 650 nm, 1003201 [U22000], 位于支架上的光学灯](/thumblibrary/U22000/U22000_01_140_140_Red-Laser-Diode-650-nm.jpg)
![Laser Module, Green, 1003202 [U22001], 位于支架上的光学灯](/thumblibrary/U22001/U22001_01_140_140_Laser-Module-Green.jpg)
![Flint Glass Block for Faraday Effect, 1012860 [U8474060], 棱镜](/thumblibrary/U8474060/U8474060_01_140_140_Flint-Glass-Block-for-Faraday-Effect.jpg)
![Accessories for Faraday Effect, 1012861 [U8496420], 棱镜](/thumblibrary/U8496420/U8496420_01_140_140_Accessories-for-Faraday-Effect.jpg)
![带有轭铁转换器芯, 1000976 [U8497180], 可拆卸变压器D](/thumblibrary/U8497180/U8497180_01_140_140_带有轭铁转换器芯.jpg)
![线圈 D, 900 匝, 1012859 [U8497390], 可拆卸变压器D](/thumblibrary/U8497390/U8497390_01_140_140_线圈-D-900-匝.jpg)
![Teslameter E, 1008537 [U8533982], 磁场](/thumblibrary/U8533982/U8533982_01_140_140_Teslameter-E.jpg)
![轴向－切向 磁场探针, 1001040 [U8533997], 磁场](/thumblibrary/U8533997/U8533997_01_140_140_轴向-切向-磁场探针.jpg)
![一套接插线，15个，长度 75 cm, 1002841 [U13801], 电循环](/thumblibrary/U13801/U13801_01_140_140_一套接插线-15个-长度-75-cm.jpg)