Radiation or neutron detector using fiber optics

Details Radiation or neutron detector using fiber optics Radiation or neutron detector using fiber optics

2007-05-08

2007-05-08

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

C385S012000, C385S128000, C362S551000, C362S556000

Reexamination Certificate

active

10927059

ABSTRACT:
A radiation or neutron detector wherein lateral side light detecting optical fibers prepared from clear optical fibers that are scraped on a lateral side to permit side incidence of fluorescence are used to detect the fluorescence from a phosphor or a scintillator such that the background to gamma-rays is reduced. If desired, the optical fibers may be bent at 90 degrees and guided to a photomultiplier tube in order to reduce the size of the detector. Fabrication and maintenance of the detector can be facilitated by adopting such a design that a detecting block comprising a detection medium and lateral side light detecting optical fibers is separated from a readout block comprising clear optical fibers.

REFERENCES:
patent: 5391878 (1995-02-01), Petroff
patent: 5600144 (1997-02-01), Worstell
patent: 5714761 (1998-02-01), Fay
patent: 5995686 (1999-11-01), Hamburger et al.
patent: 6078052 (2000-06-01), DiFilippo
patent: 6272269 (2001-08-01), Naum
patent: 6546174 (2003-04-01), Clarkin
patent: 6927398 (2005-08-01), Katagiri
patent: 7095029 (2006-08-01), Katagiri

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