Fig. 1. (a) Illustration of luminescence energy band model, (b) illustration of wavelength distribution of luminescence spectrum of quartz

Fig. 2. (a) Configuration of Risø DA-20 luminescence dating instrument with Andor spectrometer, (b) three different types of detection modules, (c) automated detection filter changer, (d) detection filters

Fig. 3. (a) Thermoluminescence spectrum of Risø source calibration quartz, (b) thermoluminescence spectrum of Lingjiatan pottery quartz (color online)

Fig. 4. (a) Transmittance of different filter combinations and quantum efficiencies of different PMTs, (b) sensitivity signal of archaeological pottery quartz thermoluminescence for different filter and PMT combinations, (c) isothermal thermoluminescence sensitivity signal of archaeological pottery quartz with different filter and PMT combinations

Fig. 5. Thermoluminescence curves and peaks for Blue TL (a) and Red TL (b), fitted using a general-order empirical expression

Fig. 6. (a) The Blue TL curve and the trend of 290~325 °C TL signal integral with exposure time, (b) the Red TL curve and the trend of 340~375 °C TL signal integral with exposure time

Fig. 7. (a, c) The heated plateau and D_e plateau test results for Blue TL-SAR, respectively, establishing the integration interval of 290~325 °C for Blue TL-SAR. In contrast, (b, d) the heated plateau and D_e plateau test results for Red TL-SAR, determining the interval at 340~375 °C for Red TL-SAR

Fig. 8. The dose recovery test results for Blue TL-SAR (a), Red TL-SAR (b), Blue ITL-SAR (c), and Red ITL-SAR (d), respectively

Fig. 9. D_e radial plots of Blue TL-SAR (a), Red TL-SAR (b), Blue ITL-SAR (c), and Red ITL-SAR (d), respectively

Fig. 10. Comparison of luminescence and radiocarbon ages