MONOLITHINC PHOTODETECTOR FOR DOSIMETER
Detectors, system and methods for measuring radiation using plastic scintillating sensors with a detector unit that uses photodiodes and MPPC detectors instead of a CCD camera, and thus avoids the use of all free space optics.
1 . A dosimetry detector system, comprising
a housing comprising a light sensor and a processor;
a radiation sensor cable comprising a scintillating fiber;
wherein the light sensor is configured to measure light emitted by the scintillating fiber;
wherein the light sensor is configured to generate an electrical signal in response to the measured light; and
wherein the processor is configured to convert the electrical signal into a calculated radiation dose measurement in less than 1 second.
2 . The dosimetry detector system of claim 1 , wherein the processor is configured calculate the radiation dose measurement in at least 0.002 seconds.
3 . The dosimetry detector system of claim 1 , further comprising:
wherein the calculated radiation dose measurement is time-resolved at a rate of up to at least 500 measurements per second.
4 . The dosimetry detector system of claim 1 , wherein the light sensor is a multi-pixel photon counter, a photodiode or a photomultiplier tube.
5 . The dosimetry detector system of claim 1 , further comprising a display unit.
6 . The dosimetry detector system of claim 5 , wherein the display unit is configured to display the calculated radiation dose measurement to a user in real-time.
7 . The dosimetry detector system of claim 1 , wherein the radiation sensor cable is configured to be operably connected to the housing.
8 . The dosimetry detector system of claim 1 , wherein the housing further comprises a power supply.
9 . The dosimetry detector system of claim 1 , wherein the radiation sensor cable is configured to be calibrated.
10 . The dosimetry detector system of claim 1 , wherein the housing further comprises a lead shielding.
11 . The dosimetry detector system of claim 1 , wherein the electrical signal may comprise electrons or photo-electrons.
12 . The dosimetry detector system of claim 8 , wherein the power supply is a battery.
13 . The dosimetry detector system of claim 1 , wherein the scintillating fiber is configured to emit light in response to radiation exposure.
14 . The dosimetry detector system of claim 1 , further comprising a filter.
15 . The dosimetry detector system of claim 14 , wherein the filter comprises a mirror configured to split the measured light into at least two-color regions.
16 . The dosimetry detector system of claim 1 , wherein the calculated radiation dose measurement is compared with an actual radiation dose delivered to a patient.
17 . The dosimetry detector system of claim 1 , wherein the calculated radiation dose measurement is compared with a planned radiation dose to be delivered to the patient.
18 . The dosimetry detector system of claim 14 , wherein the filter comprises at least two mirrors configured to split the measured light into at least three-color regions.
19 . A dosimetry detector device, comprising
a housing comprising a light sensor, a trans-impedance amplifier, at least one filter, and a processor;
wherein the light sensor is configured to measure a signal;
wherein the trans-impedance amplifier and the at least one filter are configured to alter the signal measured by the light sensor; and
wherein the processor is configured to convert the altered signal into a calculated radiation dose measurement in less than 1 second.
20 . A dosimetry device, comprising
a housing comprising a light sensor and a processor,
wherein the light sensor is configured to measure light energy emitted from a scintillator;
wherein the light sensor is configured to alter the light energy emitted from the scintillator into an altered signal;
wherein the processor is configured to convert the altered signal into a calculated radiation dose measurement in less than 1 second.