A new highly sensitive radiochromic film electronic dosimeter

liu qiang; jiang bo; he jie; sun peng; zheng dan; wan yu-ping; lin li-bin

Volume 20 Issue 12

Dec. 2008

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liu qiang, jiang bo, he jie, et al. A new highly sensitive radiochromic film electronic dosimeter[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

liu qiang, jiang bo, he jie, et al. A new highly sensitive radiochromic film electronic dosimeter[J]. High Power Laser and Particle Beams, 2008, 20.

liu qiang, jiang bo, he jie, et al. A new highly sensitive radiochromic film electronic dosimeter[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

liu qiang, jiang bo, he jie, et al. A new highly sensitive radiochromic film electronic dosimeter[J]. High Power Laser and Particle Beams, 2008, 20.

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A new highly sensitive radiochromic film electronic dosimeter

1.
Key Laboratory of Radiation Physics and Technology,College of Physical Science and Technology,Sichuan University,Chengdu 610064,China;
2.
Engineering Research Center in Biomedicine,Sichuan University,Chengdu 610064,China;
3.
Product Quality Supervision and Inspection Institute,Chengdu 610041,China

Publish Date: 2008-12-15

Abstract

Abstract

A new highly sensitive radiochromic film is developed by using poly(vinyl butyral) as the base and using acetylene-type compounds as organic dye material. It becomes blue after irradiation by an electron beam. The absorbance spectrum is analyzed and the peak in visual region locates at about 675 nm.There is a linear relationship between absorbency and e-flux when irradiated by the same electron energy. The response of absorbency is affected by the sequence radiation. A linear fitting relationship is also discovered between the sensitive layer thickness and absorbency. The sensitivety of the response can be changed when different inverse proportion of halides are added into the radiochromic system. Good stability is proved from environment analysis.
- radiochromic film,
- electron irradiation,
- absorbency response,
- electron dosimeter,
- co-agent

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