Development and Characterization of Modular Readout Design for Two-Panel Head-and-Neck Dedicated PET System Based on CZT Detectors

Overview

Journal IEEE Trans Radiat Plasma Med Sci

Publisher IEEE

Date 2023 Sep 15

PMID 37711549

Authors

Yuli Wang

Ryan Herbst

Shiva Abbaszadeh

Affiliations

Soon will be listed here.

Abstract

Cadmium zinc telluride (CZT) detectors are suitable for various applications due to the good energy resolution and the simple pixilation to achieve high spatial resolution. Our group is developing a two-panel head and neck dedicated positron emission tomography system based on CZT detectors. Each panel will consist of 150 CZT crystals (4×4×0.5 cm) covering an area of 20×15 cm in an edge-on configuration to achieve high detector efficiency at 511 keV. In this work, we present the design and development of a full data acquisition chain that enables a low noise and compact readout for each panel. The initial results of the readout circuit were quantified using a 1 kHz square wave test pulse. The pulse amplitude was chosen to generate approximately the same amount of charges as a 511 keV photon would provide in CZT. The best-case FWHM electronic noise at 511 keV was measured to be 0.69% ± 0.16% (3.52 ± 0.81 in keV units after conversion). The FWHM electronic noise at 511 keV for a complete DAQ chain was 4.33% ± 0.30% (22.13 ± 1.53 in keV units).

Citing Articles

Performance Investigations of Two Channel Readout Configurations on the Cross-Strip Cadmium Zinc Telluride Detector.

Enlow E, Wang Y, Shoop G, Abbaszadeh S IEEE Trans Radiat Plasma Med Sci. 2024; 8(8):886-892.

PMID: 39534386 PMC: 11556448. DOI: 10.1109/trpms.2024.3411522.

Quantum Entanglement Filtering: A PET feasibility study in imaging dual-positron and prompt gamma emission via Monte Carlo simulation.

Romanchek G, Shoop G, Gholami K, Enlow E, Abbaszadeh S IEEE Trans Radiat Plasma Med Sci. 2024; 8(8):916-925.

PMID: 39507126 PMC: 11540415. DOI: 10.1109/trpms.2024.3388872.

Combining PET and Compton imaging with edge-on CZT detectors for enhanced diagnostic capabilities.

Shoop G, Abbaszadeh S Adv Radiother Nucl Med. 2024; 2(2).

PMID: 39493887 PMC: 11529829. DOI: 10.36922/arnm.3330.

Parameter Selection for Convex Optimization Time Calibration for a 2-Panel PET System.

Romanchek G, Abbaszadeh S Proc SPIE Int Soc Opt Eng. 2024; 12463.

PMID: 39493640 PMC: 11530712. DOI: 10.1117/12.2654423.

Quantum entanglement for identifying true coincidences in a CZT-based PET system.

Nikolakakis E, Romanchek G, Enlow E, Abbaszadeh S Proc SPIE Int Soc Opt Eng. 2024; 12464.

PMID: 39483373 PMC: 11526844. DOI: 10.1117/12.2654408.

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