G01T1/38

RESPONSE FUNCTION OF A SCINTILLATOR
20220357472 · 2022-11-10 · ·

A method for generating a response function of a scintillator to incident gamma rays of energy within a range of energies of interest, the method including: obtaining the responses {S.sub.i} of the scintillator to a plurality of known radionuclides i (i=1, . . . N), each radionuclide i emitting gamma rays with known energetic properties (E.sub.ij, Y.sub.ij), decomposing, for each radionuclide i, response S.sub.i into primary responses of the scintillator S.sub.ij=ƒ(λ.sub.ij, Y.sub.ij, X.sub.ij), each primary response corresponding to the response of the scintillator to a received gamma ray of a known energy E.sub.ij for this radionuclide i, deriving from the primary responses {S.sub.ij} the response function ƒ(λ, X) of the scintillator to an incident gamma ray of any energy E within the range of energies of interest.

RESPONSE FUNCTION OF A SCINTILLATOR
20220357472 · 2022-11-10 · ·

A method for generating a response function of a scintillator to incident gamma rays of energy within a range of energies of interest, the method including: obtaining the responses {S.sub.i} of the scintillator to a plurality of known radionuclides i (i=1, . . . N), each radionuclide i emitting gamma rays with known energetic properties (E.sub.ij, Y.sub.ij), decomposing, for each radionuclide i, response S.sub.i into primary responses of the scintillator S.sub.ij=ƒ(λ.sub.ij, Y.sub.ij, X.sub.ij), each primary response corresponding to the response of the scintillator to a received gamma ray of a known energy E.sub.ij for this radionuclide i, deriving from the primary responses {S.sub.ij} the response function ƒ(λ, X) of the scintillator to an incident gamma ray of any energy E within the range of energies of interest.

IMAGING METHOD
20230280485 · 2023-09-07 ·

Disclosed herein is a method comprising: moving an image sensor along a first direction among a plurality of positions relative to a scene and capturing partial images of the scene respectively at the plurality of positions; forming an image of the scene from the partial images; wherein the image sensor has an active area and a dead zone; wherein the dead zone extends along a second direction; wherein the second direction is at an angle with the first direction; wherein each point in the scene falls on the dead zone no more than once when the image sensor is at the plurality of positions.

IMAGING METHOD
20230280485 · 2023-09-07 ·

Disclosed herein is a method comprising: moving an image sensor along a first direction among a plurality of positions relative to a scene and capturing partial images of the scene respectively at the plurality of positions; forming an image of the scene from the partial images; wherein the image sensor has an active area and a dead zone; wherein the dead zone extends along a second direction; wherein the second direction is at an angle with the first direction; wherein each point in the scene falls on the dead zone no more than once when the image sensor is at the plurality of positions.

Neutrino detector device, neutrino detector system and method of detecting neutrinos

A neutrino detector device (100) for detecting neutrinos comprises at least one target detector (10) including a target crystal (11) for creating phonons in response to an interaction of neutrinos to be detected with the target crystal (11) and a target temperature sensor (12) for sensing a temperature change in response to an absorption of phonons created in the target crystal (11), an inner veto detector (20) comprising at least one inner veto component (21) with an inner veto temperature sensor (23), wherein the at least one inner veto component (21) is adapted for supporting the at least one target detector (10) and for an anticoincidence based discrimination of alpha and beta background interaction events by creating phonons in response to the background interaction events and sensing a temperature change in response to an absorption of the phonons with the inner veto temperature sensor (23), and an outer veto detector (30) for accommodating the inner veto detector (20), wherein the outer veto detector (30) comprises at least one outer veto component (31) creating phonons in response to an interaction with gamma and neutron background and having an outer veto temperature sensor (33) for sensing a temperature change in response to an absorption of phonons created in the at least one outer veto component (31), wherein the neutrino detector device (100) is configured for an operation at cryogenic temperatures, a crystal volume of the target crystal (11) and a size of the target temperature sensor (12) of the at least one target detector (10) are selected such that an over-ground sensitivity threshold of the at least one target detector (10) is below 180 eV, and the at least one inner veto component (21, 26) surrounds the at least one target detector (10), so that the at least one target detector (10) is arranged within the inner veto detector (20). Furthermore, a neutrino detector system including the neutrino detector device and methods of detecting neutrinos are described, wherein the neutrino detector device (100) is used.

Neutrino detector device, neutrino detector system and method of detecting neutrinos

A neutrino detector device (100) for detecting neutrinos comprises at least one target detector (10) including a target crystal (11) for creating phonons in response to an interaction of neutrinos to be detected with the target crystal (11) and a target temperature sensor (12) for sensing a temperature change in response to an absorption of phonons created in the target crystal (11), an inner veto detector (20) comprising at least one inner veto component (21) with an inner veto temperature sensor (23), wherein the at least one inner veto component (21) is adapted for supporting the at least one target detector (10) and for an anticoincidence based discrimination of alpha and beta background interaction events by creating phonons in response to the background interaction events and sensing a temperature change in response to an absorption of the phonons with the inner veto temperature sensor (23), and an outer veto detector (30) for accommodating the inner veto detector (20), wherein the outer veto detector (30) comprises at least one outer veto component (31) creating phonons in response to an interaction with gamma and neutron background and having an outer veto temperature sensor (33) for sensing a temperature change in response to an absorption of phonons created in the at least one outer veto component (31), wherein the neutrino detector device (100) is configured for an operation at cryogenic temperatures, a crystal volume of the target crystal (11) and a size of the target temperature sensor (12) of the at least one target detector (10) are selected such that an over-ground sensitivity threshold of the at least one target detector (10) is below 180 eV, and the at least one inner veto component (21, 26) surrounds the at least one target detector (10), so that the at least one target detector (10) is arranged within the inner veto detector (20). Furthermore, a neutrino detector system including the neutrino detector device and methods of detecting neutrinos are described, wherein the neutrino detector device (100) is used.

NEUTRINO DETECTOR DEVICE, NEUTRINO DETECTOR SYSTEM AND METHOD OF DETECTING NEUTRINOS
20200379128 · 2020-12-03 ·

A neutrino detector device (100) for detecting neutrinos comprises at least one target detector (10) including a target crystal (11) for creating phonons in response to an interaction of neutrinos to be detected with the target crystal (11) and a target temperature sensor (12) for sensing a temperature change in response to an absorption of phonons created in the target crystal (11), an inner veto detector (20) comprising at least one inner veto component (21) with an inner veto temperature sensor (23), wherein the at least one inner veto component (21) is adapted for supporting the at least one target detector (10) and for an anticoincidence based discrimination of alpha and beta background interaction events by creating phonons in response to the background interaction events and sensing a temperature change in response to an absorption of the phonons with the inner veto temperature sensor (23), and an outer veto detector (30) for accommodating the inner veto detector (20), wherein the outer veto detector (30) comprises at least one outer veto component (31) creating phonons in response to an interaction with gamma and neutron background and having an outer veto temperature sensor (33) for sensing a temperature change in response to an absorption of phonons created in the at least one outer veto component (31), wherein the neutrino detector device (100) is configured for an operation at cryogenic temperatures, a crystal volume of the target crystal (11) and a size of the target temperature sensor (12) of the at least one target detector (10) are selected such that an over-ground sensitivity threshold of the at least one target detector (10) is below 180 eV, and the at least one inner veto component (21, 26) surrounds the at least one target detector (10), so that the at least one target detector (10) is arranged within the inner veto detector (20). Furthermore, a neutrino detector system including the neutrino detector device and methods of detecting neutrinos are described, wherein the neutrino detector device (100) is used.

NEUTRINO DETECTOR DEVICE, NEUTRINO DETECTOR SYSTEM AND METHOD OF DETECTING NEUTRINOS
20200379128 · 2020-12-03 ·

A neutrino detector device (100) for detecting neutrinos comprises at least one target detector (10) including a target crystal (11) for creating phonons in response to an interaction of neutrinos to be detected with the target crystal (11) and a target temperature sensor (12) for sensing a temperature change in response to an absorption of phonons created in the target crystal (11), an inner veto detector (20) comprising at least one inner veto component (21) with an inner veto temperature sensor (23), wherein the at least one inner veto component (21) is adapted for supporting the at least one target detector (10) and for an anticoincidence based discrimination of alpha and beta background interaction events by creating phonons in response to the background interaction events and sensing a temperature change in response to an absorption of the phonons with the inner veto temperature sensor (23), and an outer veto detector (30) for accommodating the inner veto detector (20), wherein the outer veto detector (30) comprises at least one outer veto component (31) creating phonons in response to an interaction with gamma and neutron background and having an outer veto temperature sensor (33) for sensing a temperature change in response to an absorption of phonons created in the at least one outer veto component (31), wherein the neutrino detector device (100) is configured for an operation at cryogenic temperatures, a crystal volume of the target crystal (11) and a size of the target temperature sensor (12) of the at least one target detector (10) are selected such that an over-ground sensitivity threshold of the at least one target detector (10) is below 180 eV, and the at least one inner veto component (21, 26) surrounds the at least one target detector (10), so that the at least one target detector (10) is arranged within the inner veto detector (20). Furthermore, a neutrino detector system including the neutrino detector device and methods of detecting neutrinos are described, wherein the neutrino detector device (100) is used.

Response function of a scintillator
11914087 · 2024-02-27 · ·

A method for generating a response function of a scintillator to incident gamma rays of energy within a range of energies of interest, the method including: obtaining the responses {S.sub.i} of the scintillator to a plurality of known radionuclides i (i=1, . . . N), each radionuclide i emitting gamma rays with known energetic properties (E.sub.ij, Y.sub.ij), decomposing, for each radionuclide i, response S.sub.i into primary responses of the scintillator S.sub.ij=(.sub.ij, Y.sub.ij, X.sub.ij), each primary response corresponding to the response of the scintillator to a received gamma ray of a known energy E.sub.ij for this radionuclide i, deriving from the primary responses {S.sub.ij} the response function (, X) of the scintillator to an incident gamma ray of any energy E within the range of energies of interest.

Response function of a scintillator
11914087 · 2024-02-27 · ·

A method for generating a response function of a scintillator to incident gamma rays of energy within a range of energies of interest, the method including: obtaining the responses {S.sub.i} of the scintillator to a plurality of known radionuclides i (i=1, . . . N), each radionuclide i emitting gamma rays with known energetic properties (E.sub.ij, Y.sub.ij), decomposing, for each radionuclide i, response S.sub.i into primary responses of the scintillator S.sub.ij=(.sub.ij, Y.sub.ij, X.sub.ij), each primary response corresponding to the response of the scintillator to a received gamma ray of a known energy E.sub.ij for this radionuclide i, deriving from the primary responses {S.sub.ij} the response function (, X) of the scintillator to an incident gamma ray of any energy E within the range of energies of interest.