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选用副品红氰化物(PR-CN)为染料,以尼龙为基材制备了2%及5%两种染料浓度的辐射变色薄膜剂量计,该剂量计经一定剂量辐照后颜色从无色变成梅红色。在钴源上对该种辐射变色薄膜剂量计的剂量学性能进行了初步研究,实验发现PR-CN染料膜在不同波长处均有很好的线性响应范围,图1为2%PR-CN染料膜分别在波长
Radiochromic thin film dosimeter with 2% and 5% dye concentration was prepared from nylon as substrate by using the secondary cyanine (PR-CN) as the dye. The dosimeter was irradiated with a certain dose of color from colorless Become plum red. The dosimetry performance of this kind of radiochromic film dosimeter was preliminarily studied on the cobalt source. It was found that the PR-CN dye film had a good linear response range at different wavelengths. Figure 1 shows the 2% PR-CN dye The film is at the wavelength