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US 10,794,926 B2Granted
Radiation detection apparatus and method
AssigneeSensonica Limited
InventorsOxana Margaritova, Andrey Khodkin
Life of this patent
Estimating the term…
Abstract
Radiation detection arrangement and method for detection of external radiation using TADF material.
Claims16
Radiation detection arrangement for detection of external radiation, the arrangement comprising:
- a computing device,
- a detection layer comprising thermally activated delayed fluorescence TADF material, the thermally activated delayed fluorescence TADF material having an excitation frequency range and, exhibiting upon excitation with radiation in the excitation frequency range, a thermally activated delayed fluorescence TADF emission,
- the excitation radiation being electromagnetic radiation,
- an excitation radiation source device adapted to emit excitation radiation in the excitation frequency range in order to excite the TADF material,
- a radiation detector device communicatively coupled with the computing device, the radiation detector device being adapted to detect TADF emission from the detection layer and provide respective detection data to the computing device,
- the TADF material having a TADF emission pattern excited by the excitation radiation from the excitation radiation source device without exposure to external measurable radiation and exhibiting a different TADF emission pattern excited by the excitation radiation from the excitation radiation source device with exposure to the external measurable radiation, the external measurable radiation differing from electromagnetic radiation, the TADF emission pattern with exposure to external measurable radiation differing from the TADF emission pattern without exposure to external measurable radiation,
- the computing device being adapted to
- compute detection data from the radiation detector device to determine a TADF emission pattern excited by the excitation radiation from the excitation radiation source device without exposure to external measurable radiation and a different TADF emission pattern excited by the excitation radiation from the excitation radiation source device with exposure to the external measurable radiation, the external measurable radiation differing from electromagnetic radiation, the TADF emission pattern with exposure to external measurable radiation differing from the TADF emission pattern without exposure to external measurable radiation,
- compare the determined TADF emission patterns,
- determine, on the basis of the comparison, exposure to external measurable radiation onto the detection layer.
7 more elements
Method of detecting external radiation using a radiation detection arrangement, comprising:
- providing a detection layer comprising thermally activated delayed fluorescence TADF material, the thermally activated delayed fluorescence TADF material having an excitation frequency range and, exhibiting upon excitation with radiation in the excitation frequency range, a thermally activated delayed fluorescence TADF emission,
- emitting excitation radiation in the excitation frequency range by means of an excitation radiation source device onto the detection layer in order to excite the TADF material,
- the excitation radiation being electromagnetic radiation,
- detecting TADF emission from the detection layer by means of a radiation detector device communicatively coupled to a computing device,
- characterized in
- the TADF material having a TADF emission pattern excited by the excitation radiation from the excitation radiation source device without exposure to external measurable radiation and exhibiting a different TADF emission pattern excited by the excitation radiation from the excitation radiation source device with exposure to external measurable radiation, the external measurable radiation differing from electromagnetic radiation, the TADF emission pattern with exposure to the external measurable radiation differing from the TADF emission pattern without exposure to external measurable radiation,
- providing detection data from the radiation detector device to the computing device,
- computing the detection data from the radiation detector device to determine a TADF emission pattern excited by the excitation radiation from the excitation radiation source device without exposure to external measurable radiation and a different TADF emission pattern excited by the excitation radiation from the excitation radiation source device with exposure to the external measurable radiation, the external measurable radiation differing from electromagnetic radiation, the TADF emission pattern with exposure to external measurable radiation differing from the TADF emission pattern without exposure to external measurable radiation,
- comparing the determined TADF emission patterns,
- determining, on the basis of the comparison, exposure to external measurable radiation onto the detection layer.
7 more elements
Dependencies are inferred from the claim text.