Radiation detection systems and methods
A system for detecting radiation includes a first array of neutron radiation detection devices, each radiation detection device including a charge storage region and a radiation reactive material; a first set of decoders to address the neutron radiation detection devices of the first array and to provide first signals indicative of the a state of the neutron radiation detection devices; a second array of gamma radiation detection devices, each gamma radiation detection device including a charge storage region in proximity to a high-z material; a second set of decoders to address the gamma radiation detection devices of the second array and to provide second signals indicative of a state of the gamma radiation detection devices; and a controller in communication with the first set of decoders and the second set of decoders and to receive the first and second signals.
1. A system comprising:
a first array of neutron radiation detection devices, each radiation detection device including a charge storage region and a radiation reactive material;
a first set of decoders to address the neutron radiation detection devices of the first array and to provide first signals indicative of a state of the neutron radiation detection devices;
a second array of gamma radiation detection devices, each gamma radiation detection device including a charge storage region in proximity to a high-z material;
a second set of decoders to address the gamma radiation detection devices of the second array and to provide second signals indicative of a state of the gamma radiation detection devices; and
a controller in communication with the first set of decoders and the second set of decoders and to receive the first and second signals.
2. The system of claim 1 , further comprising:
a third array of cosmic radiation detection devices, each cosmic radiation detection device of the third array including a charge storage region; and
a third set of decoders to address the cosmic radiation detection devices of the third array and to provide third signals indicative of a state of the cosmic radiation detection devices.
3. The system of claim 2 , wherein the controller is in communication with the third set of decoders and is to receive the third signals.
4. The system of claim 2 , further comprising logic circuitry to determine the state of the cosmic radiation detection devices based on the third signals and to discard third signals having a zero state.
5. The system of claim 1 , further comprising logic circuitry to determine the state of the neutron radiation detection devices based on the first signals and to discard first signals having a zero state.
6. The system of claim 1 , further comprising logic circuitry to determine the state of the gamma radiation detection devices based on the second signals and to discard second signals having a zero state.
7. The system of claim 6 , wherein the logic circuitry is to determine whether a word has a zero value using a checksum algorithm.
8. The system of claim 6 , wherein the logic circuitry is to determine whether a word has a zero value using a set of OR operators.
9. The system of claim 1 , wherein the first or second set of decoders including at least one y-decoder and at least on x-decoder.
10. The system of claim 1 , wherein the first or second signals are in the form of words comprising bits, each bit of the bits associated with a state of a neutron or gamma radiation detection device of the first or second array of neutron or gamma radiation detection devices.
11. The system of claim 1 , further comprising a fourth array of neutron radiation detection devices formed in a stack with the first array of radiation detection devices.
12. The system of claim 1 , further comprising a fourth array of gamma radiation detection devices formed in a stack with the second array of gamma radiation detection devices.
13. The system of claim 1 , wherein the controller is to determine a likelihood that a radiation event occurred.
14. The system of claim 1 , wherein each neutron radiation detection device of the first array of neutron radiation detection devices includes at least two charge storage regions.
15. The system of claim 1 , wherein each gamma radiation detection device of the second array of gamma radiation detection devices includes at least two charge storage regions.
16. The system of claim 1 , wherein the controller is to determine a likelihood that a radiation event occurred based on the first or second signals.
17. The system of claim 16 , wherein the controller is to determine the likelihood by adding to a counter for each neutron or gamma radiation detection device having a nonzero state.
18. The system of claim 16 , wherein the controller is to determine the likelihood by determining a rate of detecting neutron or gamma radiation detection devices having a nonzero state.
19. The system of claim 16 , wherein the controller is to determine the likelihood by determining a percentage of neutron or gamma radiation detection devices having nonzero state.