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Absolute calibration of imaging plate for GeV electrons
N Nakanii1, K Kondo, T Yabuuchi
1Graduate School of Engineering, Osaka University, Suita, Osaka, Japan. n-nakanii@ile.osaka-u.ac.jp
The Review of Scientific Instruments
|July 8, 2008
Summary
This study calibrated the absolute sensitivity of imaging plates for detecting high-energy electrons up to 1 GeV. This extends previous measurements, improving electron detection capabilities for laser-driven particle acceleration and fusion research.
Area of Science:
- Nuclear Physics
- Plasma Physics
- Particle Accelerators
Background:
- Imaging plates are established detectors for energetic electrons in laser-driven applications.
- Previous calibration of imaging plate sensitivity extended only up to 100 MeV.
Purpose of the Study:
- To calibrate the absolute sensitivity of an imaging plate detector at 1 GeV electron energy.
- To extend the known sensitivity range of imaging plates for high-energy electron detection.
Main Methods:
- Utilized the injector Linac at SPring-8 for electron beam generation.
- Performed absolute sensitivity calibration of the imaging plate at 1 GeV electron energy.
Main Results:
- Successfully calibrated the imaging plate's absolute sensitivity at 1 GeV electron energy.
- Extended the imaging plate sensitivity curve from 100 MeV into the GeV range.
Conclusions:
- The imaging plate demonstrates reliable sensitivity for detecting electrons in the GeV range.
- This extended calibration is crucial for accurate measurements in advanced laser electron acceleration and laser fusion experiments.
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