| 1 | Thermoluminescence Response of Germanium-Doped Optical Fibers to X-Ray Irradiation显示文摘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 l00kV.When irradiated with 60,80 and l00kV 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-l00 kVenergy 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 | 2012 | Chinese Physics Letters2012，29，7： | 0 |
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