Thermoluminescence Response of Germanium-Doped Optical Fibers to X-Ray Irradiation
M. A. Saeed1**, N. A. Fauzia1, I. Hossain2, A. T. Ramli1, B. A. Tahir1
1Department of Physics, Universiti Teknologi Malaysia, Skudai-81310, Johor, Malaysia 2Department of Physics, College of Sciences and Arts, King Abdulaziz University, Rabigh 21911, P.O. Box No. 344, KSA
Thermoluminescence Response of Germanium-Doped Optical Fibers to X-Ray Irradiation
M. A. Saeed1**, N. A. Fauzia1, I. Hossain2, A. T. Ramli1, B. A. Tahir1
1Department of Physics, Universiti Teknologi Malaysia, Skudai-81310, Johor, Malaysia 2Department of Physics, College of Sciences and Arts, King Abdulaziz University, Rabigh 21911, P.O. Box No. 344, KSA
摘要We present the characteristics of the thermoluminescence (TL) response of Ge-doped optical fibers with various energies and exposures of photon irradiation. To investigate the Ge-doped SiO2 as an efficient TL material, the TL responses are compared with commercially available standard TLD100 media. The Ge-doped optical fiber and TLD100 are placed in gelatin capsules and irradiated with x-ray using a Toshiba model KXO-15R x-ray generator. The Ge-doped fiber and TLD-100 show linear response as a function of current and time using x-ray photon of energy 60, 80 and 100 kV. When irradiated with 60, 80 and 100 kV x-ray energy at various currents (mA), tube distance (cm) and exposure time (second) ranges, TLD100 media provide a TL yield up to two times that of Ge-doped fibers. The energy response of the Ge-doped fibers is linear and similar over the 60–100 kV energy range, and its sensitivity is 0.39±0.05 of the TLD100 media. The glow curves of TLD 100 and doped optical fiber are also compared.
Abstract：We present the characteristics of the thermoluminescence (TL) response of Ge-doped optical fibers with various energies and exposures of photon irradiation. To investigate the Ge-doped SiO2 as an efficient TL material, the TL responses are compared with commercially available standard TLD100 media. The Ge-doped optical fiber and TLD100 are placed in gelatin capsules and irradiated with x-ray using a Toshiba model KXO-15R x-ray generator. The Ge-doped fiber and TLD-100 show linear response as a function of current and time using x-ray photon of energy 60, 80 and 100 kV. When irradiated with 60, 80 and 100 kV x-ray energy at various currents (mA), tube distance (cm) and exposure time (second) ranges, TLD100 media provide a TL yield up to two times that of Ge-doped fibers. The energy response of the Ge-doped fibers is linear and similar over the 60–100 kV energy range, and its sensitivity is 0.39±0.05 of the TLD100 media. The glow curves of TLD 100 and doped optical fiber are also compared.
M. A. Saeed, N. A. Fauzia, I. Hossain, A. T. Ramli, B. A. Tahir. Thermoluminescence Response of Germanium-Doped Optical Fibers to X-Ray Irradiation[J]. 中国物理快报, 2012, 29(7): 78701-078701.
M. A. Saeed, N. A. Fauzia, I. Hossain, A. T. Ramli, B. A. Tahir. Thermoluminescence Response of Germanium-Doped Optical Fibers to X-Ray Irradiation. Chin. Phys. Lett., 2012, 29(7): 78701-078701.
2012, Vol. 29 
