What is it about?
An imaging plate (IP) is a two-dimensional device used to measure radiation distribution in space. Initially developed for radiography, the IP is still utilized in the scientific field due to its portability and ability to record radiation distribution without a power supply. After recording, the radiation distribution can be verified with an IP scanner. Using a low-energy ion source, this study measured the IP's sensitivity to carbon ion beams ranging from 1 to 10 keV. The result may suggest the presence of a thin layer of low sensitivity on the IP surface.
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Why is it important?
Although precise sensitivity is required for the quantitative discussion of radiation distribution, the sensitivity of an IP has only been investigated for high-energy ion beams. This study clarifies the sensitivity of the IP to 1 - 10 keV carbon ion beams in detail. Knowledge of the low-sensitivity layer will also help consider the response of an IP to other low-energy ion beams.
Perspectives
It is known that the IP sensitivity model for light-ion beams cannot explain the experimental results of an IP for heavy-ions. Although different models are applied to the experimental results for heavy-ion beams, differences from the experimental results are observed. Therefore, we would like to establish a method to evaluate the IP sensitivity for various ion beams.
Yukio Hayashi
Read the Original
This page is a summary of: Measuring the sensitivity of imaging plates to keV carbon ions, Review of Scientific Instruments, December 2024, American Institute of Physics,
DOI: 10.1063/5.0239169.
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