The post-infrared infrared stimulated luminescence signal (pIRIR) from K-feldspar shows significantly less athermal fading than the conventional IRSL signal, thus it has been widely used for dating Quaternary deposits.
Radiation Measurements 157 (2022) 106827 Contents lists available at ScienceDirect Radiation Measurements journal homepage: www.elsevier.com/locate/radmeas A simplified multiple aliquot regenerative dose protocol to extend the dating limit of K-feldspar pIRIR signal Junjie Zhang *, Sumiko Tsukamoto Leibniz Institute for Applied Geophysics, Stilleweg 2, 30655 Hannover, Germany A R T I C L E I N F O A B S T R A C T Keywords: Dating limit K-feldspar Post-IR IRSL MAR TL normalisation Fading correction The post-infrared infrared stimulated luminescence signal (pIRIR) from K-feldspar shows significantly less athermal fading than the conventional IRSL signal, thus it has been widely used for dating Quaternary deposits With the single aliquot regenerative dose (SAR) protocol, the test dose signal is influenced by the preceding regenerative dose, and the characteristic saturation dose (D0) of the pIRIR signal is mostly in the range of 200–600 Gy, depending on the size of the test dose According to the D0 value, the dating range of pIRIR is restricted to