APPARATUS FOR VISUALIZING A NUCLEAR RADIATION SOURCE
A system is described for imaging and visualizing a nuclear radiation distribution such as a gamma source. The instrument also provides for measurement of the intensity pattern of the source. The imaging lens has a thick-wall body portion of radiation-absorbent material within which is formed a pin-hole lens. The imaged radiation is received on a planar converter, which consists of a large number of individual scintillation elements arranged in a mosaic pattern covering the field of view of the lens. A matrix of nonscintillating nonmetallic optically insulating material is used to hold the scintillation elements in planar alignment. An electron tube of the image- orthicon type has a photoactive cathode positioned in close optical coupling relation to the converter. (M.C.G.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-17-041231
- Assignee:
- U.S. Army
- Patent Number(s):
- US 3107276
- OSTI ID:
- 4692136
- Country of Publication:
- United States
- Language:
- English
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