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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 1017-1020 |
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Rahimian H, Shirmardi S P, Mokhtari H. The change of optical band gap of Nd3+ doped glasses by electron beam irradiation. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :1017-1020
URL: http://opsi.ir/article-1-1684-en.html
URL: http://opsi.ir/article-1-1684-en.html
1- laser and Optic Research Center, Department of science, Imam Hossein comprehensive University, Tehran, Iran.
2- Radiation Application Research School, Nuclear Science and Technology Research Institute (NSTRI), P.O.Box: 14395-836, Tehran, Iran
3- Department of Physics, Yazd University, Yazd, Iran
2- Radiation Application Research School, Nuclear Science and Technology Research Institute (NSTRI), P.O.Box: 14395-836, Tehran, Iran
3- Department of Physics, Yazd University, Yazd, Iran
Abstract: (1545 Views)
Fabrication of Nd3+ doped oxyfluorophosphate glass with new composition of 58P2O5-26MgF2-10MgO-3K2CO3-2Y2O3-1Nd2O3 have been presented. The samples have been irradiated with 10 MeV electron beam at different dose rates. Absorption spectra of samples before and after electron irradiation have been measured at room temperature The optical band gaps, width of tail (Urbach parameter), the extinction coefficient and the refractive index of samples have been determined. The experiments and calculations show that electron beam irradiation creates defects and color centers in glass and these change some optical parameters.
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