Magneto-optical measuring transformer - with liquid-core photoconductive fibres has magnetic field generated by high-voltage current and acting on fibres

摘要

The magnetic field is able to rotate the plane of polarisation of a polarised light beam conducted through the light fibres and the fibres possess a liquid core. A monochromatic light source is provided to generate the polarised light beam. The light source can be a laser. The photoconductive fibre can have a liquid core of hexachlorobuta-1.3-diene Tests have shown that in such a photoconductive fibre with a liquid core the magneto-optical Faraday effect has about the same strength as in very good gradient photo-conductive fibres. No stress birefringence can occur in the liquid core of such a fibre.