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Year : 2013  |  Volume : 36  |  Issue : 4  |  Page : 146-149

Environmental monitoring using LiMgPO4:Tb, B based optically stimulated luminescence dosimeter

1 Radiological Physics and Advisory Division, Bhabha Atomic Research Centre, Trombay, Mumbai, Maharashtra, India
2 Environmental Survey Laboratories, Kakrapar Atomic Power Station, Gujarat, India

Correspondence Address:
S N Menon
Radiological Physics and Advisory Division, Bhabha Atomic Research Centre, Trombay, Mumbai - 400 085, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0464.142383

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A new optically stimulated luminescence based environmental dosimeter (EnOSLD) was developed using LiMgPO 4 :Tb, B phosphor (LMP). The dosimeters were deployed along with the conventional thermoluminescent based environmental thermoluminescent detectors (EnTLD) for a period of six quarters in the environs of a nuclear power plant in India. The dose estimated by the EnOSLDs was compared with that of the dose estimated by EnTLDs. The mean ratio of the doses measured by thermoluminescent detector to that measured by optically stimulated luminescence dosimeters was found to be 1.04 ± 0.11. The results show that LMP based OSLDs can be used as environmental dosimeter.

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