POLYMER OPTICAL FIBRE FOR IN SITU MONITORING OF GAMMA RADIATION PROCESSES

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International Journal on Smart Sensing and Intelligent Systems

Professor Subhas Chandra Mukhopadhyay

Exeley Inc. (New York)

Subject: Computational Science & Engineering, Engineering, Electrical & Electronic

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eISSN: 1178-5608

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VOLUME 2 , ISSUE 3 (September 2009) > List of articles

POLYMER OPTICAL FIBRE FOR IN SITU MONITORING OF GAMMA RADIATION PROCESSES

S. O’Keeffe * / E. Lewis

Keywords : Radiation dosimetry, Plastic Optical Fibres, Optical Fibre Sensors, radiation processes

Citation Information : International Journal on Smart Sensing and Intelligent Systems. Volume 2, Issue 3, Pages 490-502, DOI: https://doi.org/10.21307/ijssis-2017-363

License : (CC BY-NC-ND 4.0)

Published Online: 03-November-2017

ARTICLE

ABSTRACT

Poly Methyl MethAcrylate (PMMA) based plastic optical fibres offer a low cost radiation monitoring solution with a wide dose range, capable of providing real-time, online information. The sensitivity of the fibre to ionising radiation is shown to be dependant on wavelength, with the sensitivity increasing with decreasing wavelength, and so by carefully selecting the monitoring wavelength, the desired sensitivity and dose range can be achieved. The fibres exhibit high sensitivity, up to 0.6dBm- 1/kGy, and are capable of monitoring dose ranges between 30Gy and 45kGy. This exceeds the sensing range of all commercially available PMMA slab sensors, allowing it to be used for a wide range of applications.

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REFERENCES

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