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Published on: January 30, 2020
A semiconductor radiation imaging pixel detector for space radiation dosimetry
Martin Kroupa1, Amir Bahadori2, Thomas Campbell-Ricketts3
1Lockheed Martin, Houston, TX, USA.
New semiconductor radiation imaging pixel detectors, originally for high-energy physics, now offer real-time space radiation monitoring. These compact, low-power devices provide detailed particle analysis for space missions.
Area of Science:
- Semiconductor physics
- Space radiation detection
- High-energy physics instrumentation
Background:
- Semiconductor pixel detectors developed for high-energy physics applications.
- Advancements enable compact, low-power active dosimeters and area monitors.
- Application in space radiation environments for real-time monitoring.
Purpose of the Study:
- To review recent results from Timepix detectors deployed on the International Space Station (ISS).
- To present preliminary results from the Orion MPCV Exploration Flight Test 1.
- To highlight the capabilities of next-generation space radiation monitoring technology.
Main Methods:
- Utilizing semiconductor radiation imaging pixel detectors based on Medipix2 Collaboration technology (Timepix).
- Deployment and data collection from detectors on the International Space Station.
- Analysis of preliminary data from Orion MPCV Exploration Flight Test 1.
Main Results:
- Demonstration of compact, low-power active dosimeters and area monitors for space.
- Real-time information on radiation exposure and individual particle analysis.
- Successful deployment and operation of Timepix detectors in the space environment.
Conclusions:
- Semiconductor pixel detector technology offers a new generation of space radiation monitors.
- These detectors provide crucial real-time data for astronaut and equipment safety.
- Future developments promise enhanced capabilities for space exploration radiation monitoring.
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