Development of CaSO4: Dy-based ring badge for extremity dose monitoring of radiation workers in India.

IF 0.8 4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Radiation protection dosimetry Pub Date : 2026-10-06 DOI:10.1093/rpd/ncag064

Kshama Srivastava, Rohit Yadav, Shatabdi Chakrabarty, P Minal, Sunil K Singh, A K Bakshi, B K Sapra

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引用次数: 0

Abstract

A new compact three-element Extremity Ring Badge (ERB) dosemeter has been developed for extremity dose monitoring of Indian radiation workers. This three-element dosemeter is based on indigenously developed CaSO4:Dy-Teflon discs as a thermoluminescent detector placed between suitable filters in a plastic holder. The dosemeter is designed and calibrated to measure the dose equivalent in terms of operational quantity Hp(0.07) at finger location. It can measure the doses from gamma, beta, and low-energy X-ray radiations and distinguish the beam quality (photon/beta) as well. The design features and results of the experimental studies conducted towards development of ERB dosemeter are presented. The dosemeter demonstrated satisfactory performance in the European Radiation Dosimetry Group (EURADOS) interlaboratory exercise (IC2024ext). The response of all test dosemeters were well within the trumpet curve, as per IEO 14146:2018 criteria, which validates the dose evaluation algorithm used for estimation of Hp(0.07) in the IC2024ext exercise.

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印度辐射工作人员肢体剂量监测用CaSO4：染料环标的研制。

为监测印度辐射工作人员的肢体剂量，研制了一种新型紧凑型三元件肢体环形胸牌（ERB）剂量计。这种三元素剂量计是基于本土开发的CaSO4:Dy-Teflon圆盘作为热释光探测器，放置在塑料支架中合适的过滤器之间。该剂量计经过设计和校准，以手指位置的操作量Hp（0.07）来测量当量剂量。它可以测量γ， β和低能x射线辐射的剂量，并区分光束质量（光子/ β）。介绍了研制ERB剂量计的设计特点和实验研究结果。该剂量计在欧洲辐射剂量测定组（EURADOS）实验室间试验（IC2024ext）中表现出令人满意的性能。根据IEO 14146:2018标准，所有测试剂量计的响应都在小号曲线内，这验证了IC2024ext中用于估计Hp（0.07）的剂量评估算法。

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来源期刊

Radiation protection dosimetry 环境科学-公共卫生、环境卫生与职业卫生

CiteScore

1.40

自引率

10.00%

发文量

223

审稿时长

6-12 weeks

期刊介绍： Radiation Protection Dosimetry covers all aspects of personal and environmental dosimetry and monitoring, for both ionising and non-ionising radiations. This includes biological aspects, physical concepts, biophysical dosimetry, external and internal personal dosimetry and monitoring, environmental and workplace monitoring, accident dosimetry, and dosimetry related to the protection of patients. Particular emphasis is placed on papers covering the fundamentals of dosimetry; units, radiation quantities and conversion factors. Papers covering archaeological dating are included only if the fundamental measurement method or technique, such as thermoluminescence, has direct application to personal dosimetry measurements. Papers covering the dosimetric aspects of radon or other naturally occurring radioactive materials and low level radiation are included. Animal experiments and ecological sample measurements are not included unless there is a significant relevant content reason.