Fiber-optic lighting system to operate with sealed chamber filled with gas, e.g. for NMR equipment, has source of light and fiber-optic wave-guide

摘要

With its end (22) lying in a feeding range of light, a fiber-optic wave-guide (16) fits in a hermetically sealed chamber (26) that is defined by a source of light (12) and filled with a gaseous substance. The chamber also has a disk (38) made up of transparent material.