An electron tube that produces on its fluorescent screen an image of the
irradiation pattern of its photosensitive input surface. An image converter which produces an
image with enhanced
radiance is sometimes called an image intensifier.
Source:
PAC, 1995, 67, 1745
(Nomenclature, symbols, units and their usage in spectrochemical analysis-XI. Detection
of radiation (IUPAC Recommendations 1995))
on page 1758