image intensifier

noun

1. any of various devices for amplifying the intensity of an optical image, sometimes used in conjunction with an image converter

Example Sentences

Last week at the Lowell Observatory, Flagstaff, Ariz., Astronomers Albert G. Wilson and Earle Slipher predicted that the image intensifier would break the Mars deadlock.

From Time Magazine Archive

Monitoring the operation through an image intensifier�a refined fluoroscope that produces an X-ray image 1,500 times Drighter than the old-style fluoroscopic screen�Drs. Sones and Shirey then release a tiny amount of radiopaque dye through the catheter into the aorta in order to locate the spot at which right and left coronary arteries join the circulation's main stem.

From Time Magazine Archive