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Effect of gamma irradiation on the light polarization variation of PMMA polymer
Shahid Beheshti University, Department of Radiation Medicine, Tehran, Iran.
Shahid Beheshti University, Department of Radiation Medicine, Tehran, Iran.
Shahid Beheshti University, Department of Radiation Medicine, Tehran, Iran.
2008 (English)In: Optics Communications, ISSN 0030-4018, E-ISSN 1873-0310, Vol. 281, no 3, 356-359 p.Article in journal (Refereed) Published
Abstract [en]

Analyzing the effect of ionized gamma irradiation on the optical parameters of materials is a solution for finding newer techniques in the field of detector and dosimeter systems. A PMMA (polymethylmethacrylate) polymer was radiated from a 60Co source with a power of 1800 C and a constant dose rate of 1.44 kGy/h in three steps of 5, 25 and 61.2 kGy. The ionized gamma irradiation affected the refractive index of polymer and therefore it changes the polarization of the incident light. The difference in the polarization phase shift of the polymer depended on the dose it had been irradiated with.

Place, publisher, year, edition, pages
Elseevier , 2008. Vol. 281, no 3, 356-359 p.
Keyword [en]
Polarization; Interferometer; Gamma irradiation; Refractive index; Polymer
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-69286DOI: 10.1016/j.optcom.2007.09.060OAI: oai:DiVA.org:liu-69286DiVA: diva2:425484
Available from: 2011-06-23 Created: 2011-06-21 Last updated: 2011-07-01Bibliographically approved

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Namedanian, Mahziar

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