Performance Characteristics of a New Automatic Chip TLD Reader.

Q3 Medicine

Journal of Biomedical Physics and Engineering Pub Date : 2025-10-01 DOI:10.31661/jbpe.v0i0.2506-1937

Sajjad Betyar, Seyed Mahdi Hosseini Pooya, Meysam Divsalar

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引用次数: 0

Abstract

The TR5500 Thermoluminescent Dosimeter (TLD) reader was specifically designed and developed for the automated and efficient readout of Thermoluminescent (TL) chips and pellets in Iran. In accordance with International Atomic Energy Agency (IAEA) requirements for dosimetry laboratories, implementing a comprehensive Quality Management System (QMS) is essential to ensure adherence to standard criteria. This study aimed to evaluate key characteristics of the reader, including response non-linearity, Coefficients of Variation (COV), readout stability over time, and the reproducibility of TLD measurements. LiF: Mg, Cu, P TLDs were exposed to a standard photon radiation field and subsequently read using the TR5500 reader. The characteristics were then calculated and compared against the relevant criteria outlined in International Electrotechnical Commission (IEC) and American Society for Testing and Materials (ASTM) standards, such as ASTM E668-10 and IEC 62387. The reader met the key international standard requirements and, in certain aspects, even surpassed them. The device exhibited excellent stability and reproducibility in readouts, confirming its robust reliability and long-term suitability for routine use in various accredited dosimetry laboratories.

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一种新型自动芯片TLD读取器的性能特点。

TR5500热释光剂量计（TLD）读取器是专门为伊朗热释光（TL）芯片和颗粒的自动高效读取而设计和开发的。根据国际原子能机构（IAEA）对剂量学实验室的要求，实施全面的质量管理体系（QMS）对于确保遵守标准标准至关重要。本研究旨在评估阅读器的关键特性，包括响应非线性、变异系数（COV）、随时间的读数稳定性和TLD测量的可重复性。将LiF: Mg， Cu， P tld暴露在标准光子辐射场中，随后使用TR5500读取器读取。然后计算这些特性，并与国际电工委员会（IEC）和美国材料测试协会（ASTM）标准（如ASTM E668-10和IEC 62387）中概述的相关标准进行比较。该阅读器达到了关键的国际标准要求，在某些方面甚至超过了这些要求。该设备在读数中表现出出色的稳定性和可重复性，证实了其强大的可靠性和长期适用性，可在各种认可的剂量学实验室中常规使用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Biomedical Physics and Engineering Medicine-Radiology, Nuclear Medicine and Imaging

CiteScore

2.90

自引率

0.00%

发文量

审稿时长

10 weeks

期刊介绍： The Journal of Biomedical Physics and Engineering (JBPE) is a bimonthly peer-reviewed English-language journal that publishes high-quality basic sciences and clinical research (experimental or theoretical) broadly concerned with the relationship of physics to medicine and engineering.