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一项关于眼镜镜片材料辐射防护性能评估的蒙特卡洛模拟研究。

A Monte Carlo simulation study on the evaluation of radiation protection properties of spectacle lens materials.

作者信息

Bilici Sevim, Kamislioglu Mirac, Altunsoy Guclu Elif Ebru

机构信息

Department of Opticianry, Vocational School of Health Services, Bandirma Onyedi Eylul University, Balıkesir, Turkey.

Department of Medical Imaging Techniques, Vocational School of Health Services, Bandirma Onyedi Eylul University, Balıkesir, Turkey.

出版信息

Eur Phys J Plus. 2023;138(1):80. doi: 10.1140/epjp/s13360-022-03579-6. Epub 2023 Jan 24.

DOI:10.1140/epjp/s13360-022-03579-6
PMID:36712549
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9872756/
Abstract

The eye lens has been known a radiosensitive tissue. Radiation exposure can cause opacities, cataracts and vision loss. The sensitivity of the eyes to ionizing radiation has attracted attention in the last decade. ICRP announced that equivalent dose limit of eye lens has dropped in recent years. Therefore, spectacle lens selection is becoming increasingly important. In this study, the radiation protection properties of spectacle lens (CR-39, Polycarbonate and Trivex) materials were investigated using the MCNP-6.2 Monte Carlo code and SRIM software. The suitability of the results obtained with MCNP-6.2 Monte Carlo code was provided by comparing the theoretical results obtained from the WinXCOM program. The results showed that the CR-39 spectacle lens had minimum half-value layer, tenth value layer and mean free path values. In addition to the photon protection properties of spectacle lens materials, proton (H) and alpha (He) radiation protection properties were also investigated. Mass stopping power and projected range (PR) values for proton and alpha particles were calculated using SRIM code in the energy range of 0.01-10 MeV. As a result of the research, it was seen that the CR-39 lens had minimum PR values.

摘要

晶状体一直被认为是一种对辐射敏感的组织。辐射暴露会导致晶状体混浊、白内障和视力丧失。眼睛对电离辐射的敏感性在过去十年中引起了关注。国际放射防护委员会（ICRP）宣布，近年来晶状体的当量剂量限值有所降低。因此，眼镜镜片的选择变得越来越重要。在本研究中，使用MCNP - 6.2蒙特卡罗代码和SRIM软件研究了眼镜镜片材料（CR - 39、聚碳酸酯和Trivex）的辐射防护性能。通过比较从WinXCOM程序获得的理论结果，验证了用MCNP - 6.2蒙特卡罗代码获得的结果的适用性。结果表明，CR - 39眼镜镜片的半价层、十分之一值层和平均自由程值最小。除了眼镜镜片材料的光子防护性能外，还研究了质子（H）和α粒子（He）的辐射防护性能。使用SRIM代码在0.01 - 10 MeV的能量范围内计算了质子和α粒子的质量阻止本领和射程（PR）值。研究结果表明，CR - 39镜片的PR值最小。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c1/9872756/ce239c7ef218/13360_2022_3579_Fig11_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c1/9872756/ce239c7ef218/13360_2022_3579_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c1/9872756/9a1a0c35c24d/13360_2022_3579_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c1/9872756/6878d3cc836a/13360_2022_3579_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c1/9872756/10873c9f3192/13360_2022_3579_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c1/9872756/8db060acdc76/13360_2022_3579_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c1/9872756/faabff6fcccf/13360_2022_3579_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c1/9872756/463db09fd5d4/13360_2022_3579_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c1/9872756/40e97ddffb85/13360_2022_3579_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c1/9872756/d5c16e526051/13360_2022_3579_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c1/9872756/544b2100ec95/13360_2022_3579_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c1/9872756/d12c74bd3c71/13360_2022_3579_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c6c1/9872756/ce239c7ef218/13360_2022_3579_Fig11_HTML.jpg

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