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Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera

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Tutorial on X-ray photon counting detector characterization.

Liqiang Ren¹, Bin Zheng¹, Hong Liu¹

¹Center for Biomedical Engineering and School of Electrical and Computer Engineering, University of Oklahoma, Norman, OK, USA.

Journal of X-Ray Science and Technology

|November 21, 2017

Summary

This summary is machine-generated.

This review details X-ray photon counting detector characterization, covering principles, methods, and performance metrics. It provides a guide for researchers to understand and optimize these advanced detectors for various X-ray imaging applications.

Keywords:

Photon counting detector charge sharing effect count rate performance detector characterization energy resolution energy response calibration noise floor

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Area of Science:

Medical Imaging
Detector Physics

Background:

Photon counting detector technology is advancing X-ray imaging.
Significant research interest exists in these new detectors.

Purpose of the Study:

To provide a tutorial-level review of X-ray photon counting detector characterization.
To cover a wide range of characterization aspects.

Main Methods:

Detailed description of pixelated X-ray photon counting detector principles and operation.
Comprehensive review of characterization methods for energy response, noise, resolution, and efficiency.
Discussion of other aspects like MTF, NPS, DQE, radiation damage, and polarization effects.

Main Results:

Demonstration of characterization using a cadmium telluride (CdTe) detector.
Presentation of experimental results for detector performance.

Conclusions:

This review serves as a tutorial for researchers and investigators.
It aids in understanding, operating, characterizing, and optimizing photon counting detectors for diverse applications.