A simplified SAR protocol for TT-OSL

N. Porat; G. A.T. Duller; H. M. Roberts; A. G. Wintle

doi:10.1016/j.radmeas.2008.12.004

A simplified SAR protocol for TT-OSL

N. Porat, G. A.T. Duller, H. M. Roberts, A. G. Wintle

Research output: Contribution to journal › Article › peer-review

71 Scopus citations

Abstract

A new single-aliquot regenerative-dose (SAR) protocol for measuring the equivalent dose using the thermally-transferred OSL (TT-OSL) signal is proposed. Characterisation of the Basic Transferred OSL (BT-OSL) signal measured using a previous protocol showed that it was unnecessary to measure the BT-OSL thus allowing simplification of the SAR protocol for TT-OSL. To remove the BT-OSL, holding the aliquot for 100 s at 300 °C without optical stimulation at the end of each SAR cycle gave the most reproducible results. A simplified protocol incorporating this heat treatment was tested by recovering doses up to 700 Gy which had been given to a modern sand sample with an equivalent dose of less than 5 Gy.

Original language	English
Pages (from-to)	538-542
Number of pages	5
Journal	Radiation Measurements
Volume	44
Issue number	5-6
DOIs	https://doi.org/10.1016/j.radmeas.2008.12.004
State	Published - May 2009
Externally published	Yes

Keywords

Dating
Quartz
SAR
Thermally-transferred OSL

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10.1016/j.radmeas.2008.12.004

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abstract = "A new single-aliquot regenerative-dose (SAR) protocol for measuring the equivalent dose using the thermally-transferred OSL (TT-OSL) signal is proposed. Characterisation of the Basic Transferred OSL (BT-OSL) signal measured using a previous protocol showed that it was unnecessary to measure the BT-OSL thus allowing simplification of the SAR protocol for TT-OSL. To remove the BT-OSL, holding the aliquot for 100 s at 300 °C without optical stimulation at the end of each SAR cycle gave the most reproducible results. A simplified protocol incorporating this heat treatment was tested by recovering doses up to 700 Gy which had been given to a modern sand sample with an equivalent dose of less than 5 Gy.",

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AU - Duller, G. A.T.

AU - Roberts, H. M.

AU - Wintle, A. G.

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AB - A new single-aliquot regenerative-dose (SAR) protocol for measuring the equivalent dose using the thermally-transferred OSL (TT-OSL) signal is proposed. Characterisation of the Basic Transferred OSL (BT-OSL) signal measured using a previous protocol showed that it was unnecessary to measure the BT-OSL thus allowing simplification of the SAR protocol for TT-OSL. To remove the BT-OSL, holding the aliquot for 100 s at 300 °C without optical stimulation at the end of each SAR cycle gave the most reproducible results. A simplified protocol incorporating this heat treatment was tested by recovering doses up to 700 Gy which had been given to a modern sand sample with an equivalent dose of less than 5 Gy.

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KW - Quartz

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A simplified SAR protocol for TT-OSL

Abstract

Keywords

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