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Abstract
To develop a personal (OSL) optically stimulated luminescence dosimetry system for mixed radiation fields using α-Al 2O 3 : C, a discriminating badge filter system was designed by taking advantage of its optically stimulable properties and energy dependencies. This was done by designing a multi-element badge system for powder layered α-Al 2O 3 : C material and an optical reader system based on high-intensity blue light-emitting diode (LED). The design of the multi-element OSL dosimeter badge system developed allows the measurement of a personal dose equivalent value H p( d) in mixed radiation fields of β and γ. Dosimetric properties of the personal OSL dosimeter badge system investigated here were the dose response, energy response and multi-readability. Based on the computational simulations and experiments of the proposed dosimeter design, it was demonstrated that a multi-element dosimeter system with an OSL technology based on α-Al 2O 3 : C is suitable to obtain personal dose equivalent information in mixed radiation fields.
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