Induced nuclear reactions: processes – systems – and elements – Testing – sensing – measuring – or detecting a fission reactor... – Vessel monitoring or inspection
Patent
1988-10-26
1989-12-12
Arnold, Bruce Y.
Induced nuclear reactions: processes, systems, and elements
Testing, sensing, measuring, or detecting a fission reactor...
Vessel monitoring or inspection
350504, 350613, 350618, 376248, G02B 510, G21C 1708
Patent
active
048863483
ABSTRACT:
The total transmissibility optical system or lens is an assembly of curved members or mirrors arranged such that a beam of radiation will reflect through the apparatus and come to a focus on an opposite side. An inner member, comprised of a pair of conical reflectors joined at their respective bases, is disposed within an outer member such that their axes are parallel to the radiation beam. The outer member is comprised of a first inner reflective surface in the shape of a hollow segment of a paraboloid of revolution and a second inner reflective surface in the shape of a hollow truncated cone. The two inner reflective surfaces of the outer member are also joined at their respective bases. The mirrors are made of a highly polished metal which will reflect any type of radiation beam, such as infrared radiation as in a night vision device. The lens can be used in harsh environments, such as an irradiated environment, since the lens will not be affected thereby as will a glass lens. The lens can exactly replicate the focusing behavior of a glass lens without the absorption of light that may occur during the passage of a light beam through a glass lens.
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Arnold Bruce Y.
Panian Michael G.
Ryan Jay Patrick
Westinghouse Electric Corp.
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