Radiation detection system including a scintillating material and an optical fiber
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01T-001/20
G01T-003/06
출원번호
US-0109152
(2013-12-17)
등록번호
US-9024266
(2015-05-05)
발명자
/ 주소
Menge, Peter R.
출원인 / 주소
Saint-Gobain Ceramics & Plastics, Inc.
대리인 / 주소
Abel Law Group, LLP
인용정보
피인용 횟수 :
0인용 특허 :
30
초록▼
A radiation detection system can include optical fibers and a material disposed between the optical fibers. In an embodiment, the material can include a fluid, such as a gas, a liquid, or a non-Newtonian fluid. In another embodiment, the material can include an optical coupling material. In a partic
A radiation detection system can include optical fibers and a material disposed between the optical fibers. In an embodiment, the material can include a fluid, such as a gas, a liquid, or a non-Newtonian fluid. In another embodiment, the material can include an optical coupling material. In a particular embodiment, the optical coupling material can include a silicone rubber. In still another embodiment, the optical coupling material has a refractive index less than 1.50. In still another embodiment, the radiation detection system can have a greater signal:noise ratio, a light collection efficiency, or both as compared to a conventional radiation detection system. Corresponding methods of use are disclosed that can provide better discrimination between neutrons and gamma radiation.
대표청구항▼
1. A radiation detection system comprising: a first scintillating material to produce a light in response to receiving a target radiation;a first optical fiber and a second optical fiber that are coupled to the first scintillating material;a first optical coupling material; anda fluid,wherein, from
1. A radiation detection system comprising: a first scintillating material to produce a light in response to receiving a target radiation;a first optical fiber and a second optical fiber that are coupled to the first scintillating material;a first optical coupling material; anda fluid,wherein, from a cross-sectional view: the first optical coupling material is disposed along first sides of the first and second optical fibers; andthe fluid is disposed between and along second sides of the first and second optical fibers. 2. The radiation detection system of claim 1, further comprising: a second scintillating material; anda second optical coupling material,wherein from the cross-sectional view, the second optical coupling material is disposed along third sides of the first and second optical fibers;for each of the first and second optical fibers, the first side is opposite the third side; andthe fluid is disposed between the first and second optical coupling materials. 3. The radiation detection system of claim 2, further comprising a third optical fiber, wherein from the cross-sectional view: the first optical coupling material is disposed along third sides of the first and second optical fibers;for each of the first and second optical fibers, the first side is opposite the third side; andthe fluid is disposed between the second and third optical fibers. 4. The radiation detection system of claim 3, wherein: the first, second and third fibers, and the fluid are disposed within a principal sensing area of the radiation detection system;the first optical fiber is an outermost optical fiber disposed adjacent to a perimeter of the principal sensing area;the third optical fiber is a centermost optical fiber disposed adjacent to a center of the principal sensing area; anda light collection uniformity between the first and third optical fibers is at least 77%. 5. The radiation detection system of claim 4, wherein the light collection uniformity is at least 90%. 6. The radiation detection system of claim 2, wherein: the first and second scintillating materials are a same scintillating material; andthe first and second optical coupling materials are a same optical coupling material. 7. The radiation detection system of claim 1, wherein the fluid includes a gas. 8. The radiation detection system of claim 7, wherein the gas is disposed within an aerogel. 9. The radiation detection system of claim 1, wherein the fluid includes a liquid. 10. The radiation detection system of claim 1, wherein the first optical fiber includes an S-shaped bend. 11. The radiation detection system of claim 10, further comprising a third optical fiber that does not include an S-shaped bend. 12. The radiation detection system of claim 10, wherein: the radiation detection system is configured such that the S-shaped bend has a bend ratio of approximately 0.8;the first optical fiber has a photon transmission loss through the S-bend of not greater than 43%; andthe third optical fiber has a lower photon transmission loss as compared to the first optical fiber. 13. The radiation detection system of claim 12, wherein the photon transmission loss of the first optical fiber is not greater than 25%. 14. The radiation detection system of claim 12, wherein the photon transmission loss of the first optical fiber is not greater than 10%. 15. A radiation detection system comprising: a first scintillating material;a second scintillating material;a first optical fiber;a first optical coupling material;a second optical coupling material; anda fluid,wherein, from a cross-sectional view: the first and second optical coupling materials are disposed at opposite points along the first optical fiber;the first optical coupling material is disposed between the first scintillating material and the first optical fiber;the second optical coupling material is disposed between the second scintillating material and the first optical fiber; andthe fluid is disposed at another point along the first optical fiber and between the first and second optical coupling materials. 16. The radiation detection system of claim 15, further comprising a second optical fiber, wherein, from the cross-sectional view: the first and second optical coupling materials are disposed at opposite points along the second optical fiber;the first optical coupling material is disposed between the first scintillating material and the second optical fiber; andthe second optical coupling material is disposed between the second scintillating material and the second optical fiber. 17. The radiation detection system of claim 16, wherein: the first optical fiber includes an S-shaped bend; andthe second optical fiber does not include an S-shaped bend. 18. The radiation detection system of claim 16, wherein the first and second optical coupling materials are in direct contact with cores of the first and second optical fibers. 19. The radiation detection system of claim 15, wherein an adhesive layer is disposed between the first optical coupling material and a core of the first or second optical fiber. 20. The radiation detection system of claim 15, further comprising a photosensor module optically coupled to ends of the first and second optical fibers.
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이 특허에 인용된 특허 (30)
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