IP Library › Granted Patent US 10,234,571
Granted Patent B1
US 10,234,571 · App. 15/799,929 · Granted Mar 19, 2019

Radiation detector

Inventors: Shawn Robert Tornga (Los Alamos, NM); Markus Peter Hehlen (Los Alamos, NC); Edward McKigney (Los Alamos, NM); Nickolaus Smith (Los Alamos, NM); Christopher Hamilton (Los Alamos, NM); Daniel Tyler Wakeford (Los Alamos, NM); Jillian Cathleen Adams (Los Alamos, NM); Olivia Carol Trautschold (Los Alamos, NM)
Assignee: TRIAD NATIONAL SECURITY, LLC
G01T1/2002G01T1/2018G01T1/2023
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,234,571
App. No.
15/799,929
Granted
Mar 19, 2019
Kind
B1
Abstract

A radiation detector including a scintillator; a wavelength shifting portion to cause a wavelength shift in photons emitted by the scintillator; and a photodetector optically coupled to the scintillator to receive the wavelength shifted photons.

Claims (47)

1. A radiation detector comprising:

a scintillator;

a wavelength shifting portion to cause a wavelength shift in photons emitted by the scintillator; and

a photodetector optically coupled to the scintillator to receive the wavelength shifted photons,

wherein:

the wavelength shifting portion surrounds at least five sides of the scintillator; or

an optically reflective material surrounds the wavelength shifting portion.

2. The radiation detector of claim 1 , wherein the wavelength shifting portion comprises a coating comprising at least two dyes.

3. The radiation detector of claim 1 , wherein the wavelength shifting portion comprises a coating comprising 9.10-Bis(phenylethynyl)anthracene doped, polystyrene (BPEA:PS).

4. The radiation detector of claim 1 , wherein the scintillator comprises an YSO:Ce crystal.

5. The radiation detector of claim 1 , wherein the photodetector comprises one of a silicon photomultiplier or an avalanche photodiode.

6. The radiation detector of claim 1 , wherein the wavelength shifting portion comprises a congruent fabricated structure.

7. The radiation detector of claim 6 , wherein the scintillator comprises a hygroscopic scintillator.

8. The radiation detector of claim 7 , wherein the hygroscopic scintillator comprises one of: LaBr 3 :Ce, LaCl 3 :Ce, CLYC:Ce, or SrI 2 :Eu.

9. The radiation detector of claim 8 , wherein the photodetector comprises one of a silicon photomultiplier, avalanche photodiode, or PIN diode.

10. The radiation detector of claim 1 , wherein the scintillator comprises LiCAF:Ce and the wavelength shifting portion comprises a coating comprising at least two dyes applied to one or more sides of the scintillator.

11. The radiation detector of claim 1 , wherein the optically reflective material surrounds the wavelength shifting portion.

12. A radiation detector comprising:

a scintillator;

a wavelength shifting portion surrounding at least five sides of the scintillator to cause a wavelength shift in photons emitted by the scintillator;

a photodetector optically coupled to the scintillator to receive the wavelength shifted photons; and

an optically reflective material surrounding the wavelength shifting portion.

13. The radiation detector of claim 12 , wherein the wavelength shifting portion comprises a coating comprising 9.10-Bis(phenylethynyl)anthracene doped, polystyrene (BPEA:PS).

14. The radiation detector of claim 12 ,

wherein the scintillator comprises an YSO:Ce crystal, and

wherein the photodetector comprises one of a silicon photomultiplier or an avalanche photodiode.

15. The radiation detector of claim 12 ,

wherein the wavelength shifting portion comprises a congruent fabricated structure, and

wherein the scintillator comprises a hygroscopic scintillator.

16. The radiation detector of claim 15 ,

wherein the hygroscopic scintillator comprises one of: LaBr 3 :Ce, LaCl 3 :Ce, CLYC:Ce, or SrI 2 :Eu, and

wherein the photodetector comprises one of a silicon photomultiplier, avalanche photodiode, or PIN diode.

17. A radiation detector comprising:

a scintillator;

a wavelength shifting portion surrounding at least five sides of the scintillator to cause a wavelength shift in photons emitted by the scintillator;

a photodetector optically coupled to the scintillator to receive the wavelength shifted photons; and

a processor coupled to the photodetector, the processor being to identify a radiation source.

18. The radiation detector of claim 17 ,

wherein the processor being to further identify a location, quantity, and/or quality of the radiation source in accordance with the wavelength shifted photons.

19. The radiation detector of claim 17 ,

wherein the wavelength shifting portion comprises a coating comprising 9.10-Bis(phenylethynyl)anthracene doped, polystyrene (BPEA:PS),

wherein the scintillator comprises an YSO:Ce crystal, and

wherein the photodetector comprises one of a silicon photomultiplier or an avalanche photodiode.

20. The radiation detector of claim 17 ,

wherein the wavelength shifting portion comprises a congruent fabricated structure,

wherein the scintillator comprises a hygroscopic scintillator comprising one of: LaBr 3 :Ce, LaCl 3 :Ce, CLYC:Ce, or SrI 2 :Eu, and

wherein the photodetector comprises one of a silicon photomultiplier, avalanche photodiode, or PIN diode.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 1, 2018
From: LOS ALAMOS NATIONAL SECURITY, LLC
To: TRIAD NATIONAL SECURITY, LLC
Reel/Frame 047401/0957 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 7, 2017
From: TORNGA, SHAWN ROBERT; HEHLEN, MARKUS PETER; MCKIGNEY, EDWARD; SMITH, NICKOLAUS; HAMILTON, CHRISTOPHER; WAKEFORD, DANIEL TYLER; ADAMS, JILLIAN CATHLEEN; TRAUTSCHOLD, OLIVIA CAROL
To: LOS ALAMOS NATIONAL SECURITY, LLC
Reel/Frame 044054/0873 →
Continuity (1)
Provisional Application 62415194 · Oct 31, 2016