Patent ID: 6332049
Filing Date: 2001-12-18
Classification: G01J,G01N,G02B

Abstract:
A photoluminescence detector, comprising:(a) a liquid-core waveguide comprising a transparent tube having first and second ends, for containing a liquid which can emit photoluminescence;(b) a light source which can provide radiation suitable for exciting the liquid to emit photoluminescence, the radiation from the light source being provided transversely with respect to the liquid-core waveguide tube; and(c) a photodetector, for detecting photoluminescence emitted by the liquid in the liquid-core waveguide tube;the liquid-core waveguide tube being made of or coated with an amorphous fluoropolymer which is a copolymer of tetrafluoroethylene and perflluoro-2,2-dimethyl-1,3-dioxole.