1. A readout system for highly sensitive diamond detectors for FLASH dosimetry
- Author
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Sara Pettinato, Giuseppe Felici, Lorenzo Galluzzo, Maria Cristina Rossi, Marco Girolami, and Stefano Salvatori
- Subjects
Diamond detectors ,Electron FLASH ,Beam monitoring ,Synchronous detection ,Ultra-high dose-per-pulse ,Front-end/readout electronics ,Medical physics. Medical radiology. Nuclear medicine ,R895-920 ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Accurate dosimetry of ultra-high dose-rate beams using diamond detectors remains challenging, primarily due to the elevated photocurrent peaks exceeding the input dynamics of precision electrometers. This work aimed at demonstrating the effectiveness of compact gated-integration electronics in conditioning the current peaks (>20 mA) generated by a highly sensitive (S ≃ 26 nC/Gy) custom-made diamond photoconductor under electron FLASH irradiation, as well as in real-time monitoring of beam dose and dose-rate. For the emerging FLASH technology, this study provided a new perspective on using commercially available diamond dosimeters with high sensitivity, currently employed in conventional radiotherapy.
- Published
- 2024
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