Method and apparatus for detecting superconductor quench and method and apparatus for preventing superconductor quench

摘要

A method for detecting superconductor quench comprises a step (a) of entering light (2) into an optical waveguide material (1) arranged closely to a superconductor (31), and a step (b) of detecting a change of the incident light in the optical waveguide material.;The apparatus for detecting superconductor quench according to the method comprises superconductive wire (38) in which a superconductor (31) is constituted integrally with an optical waveguide (1) material via a substrate.;The apparatus is provided with means for changing the amount of electric current or the feed of refrigerant to the superconductor in compliance with the detected data.