考古受热石英释光发光光谱性质及其测年研究
TL84; 释光测年技术在解决考古低温受热材料的年代问题中已趋于成熟,而在考古高温受热材料的释光测年研究中仍颇具挑战.以凌家滩遗址出土陶器中提取的考古高温受热石英(约950 ℃)为例,探究此类石英的释光发光光谱特征与释光性质,旨在探讨不同波段的热释光信号在释光测年中的可行性.基于Ris? DA-20型释光测年仪器联用Andor光谱仪、电荷耦合器件(Charge-Coupled Device,CCD)相机的释光发光光谱平台,结合对不同波段敏感的光电倍增管与自定义滤光片组合,对比了热释光(Thermoluminescence,TL)、等温热释光(Isothermal Thermoluminesce...
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Published in | 核技术 Vol. 47; no. 1; pp. 20 - 32 |
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Main Authors | , , , , |
Format | Journal Article |
Language | Chinese |
Published |
中国科学技术大学 科技史与科技考古系 合肥 230026%澳大利亚伍伦贡大学考古科学中心 伍伦贡 NSW 2522%安徽省文物考古研究所 合肥 230601
2024
中国科学技术大学 科技考古实验室 合肥 230026 |
Subjects | |
Online Access | Get full text |
ISSN | 0253-3219 |
DOI | 10.11889/j.0253-3219.2024.hjs.47.010003 |
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Abstract | TL84; 释光测年技术在解决考古低温受热材料的年代问题中已趋于成熟,而在考古高温受热材料的释光测年研究中仍颇具挑战.以凌家滩遗址出土陶器中提取的考古高温受热石英(约950 ℃)为例,探究此类石英的释光发光光谱特征与释光性质,旨在探讨不同波段的热释光信号在释光测年中的可行性.基于Ris? DA-20型释光测年仪器联用Andor光谱仪、电荷耦合器件(Charge-Coupled Device,CCD)相机的释光发光光谱平台,结合对不同波段敏感的光电倍增管与自定义滤光片组合,对比了热释光(Thermoluminescence,TL)、等温热释光(Isothermal Thermoluminescence,ITL)、光释光(Optically Stimulated Luminescence,OSL)测年方法在此类考古高温受热材料中的应用.光谱结果表明:考古高温受热石英具有显著的620 nm左右的红光热释光发光(Red TL),与375 ℃ TL峰紧密相关,且375 ℃ Red TL具有光不敏感特征.多波段热释光、多波段等温热释光、常规光释光测年结果均与已知的碳-14年龄在误差范围内一致,表明利用不同波段的释光信号开展考古高温受热材料年代学研究具有潜在的可行性. |
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AbstractList | TL84; 释光测年技术在解决考古低温受热材料的年代问题中已趋于成熟,而在考古高温受热材料的释光测年研究中仍颇具挑战.以凌家滩遗址出土陶器中提取的考古高温受热石英(约950 ℃)为例,探究此类石英的释光发光光谱特征与释光性质,旨在探讨不同波段的热释光信号在释光测年中的可行性.基于Ris? DA-20型释光测年仪器联用Andor光谱仪、电荷耦合器件(Charge-Coupled Device,CCD)相机的释光发光光谱平台,结合对不同波段敏感的光电倍增管与自定义滤光片组合,对比了热释光(Thermoluminescence,TL)、等温热释光(Isothermal Thermoluminescence,ITL)、光释光(Optically Stimulated Luminescence,OSL)测年方法在此类考古高温受热材料中的应用.光谱结果表明:考古高温受热石英具有显著的620 nm左右的红光热释光发光(Red TL),与375 ℃ TL峰紧密相关,且375 ℃ Red TL具有光不敏感特征.多波段热释光、多波段等温热释光、常规光释光测年结果均与已知的碳-14年龄在误差范围内一致,表明利用不同波段的释光信号开展考古高温受热材料年代学研究具有潜在的可行性. |
Abstract_FL | [Background]Luminescence dating technology has made significant advancements in determining the chronology of archaeological materials subjected to low firing temperatures.However,the luminescence dating of archaeological materials subjected to high firing temperatures remains challenging.[Purpose]This study aims to explore the luminescence emission spectrum characteristics and luminescence properties of high-firing temperature quartz to verify the feasibility of thermoluminescence(TL)signals from different bands in luminescence dating.[Methods]Firstly,the high-firing temperature(about 950 ℃)quartz extracted from pottery unearthed at the Lingjiatan archaeological site was taken as a case study,spectral measurement platform was established using a Ris? DA-20 luminescence dating instrument coupled with an Andor spectrometer and a charge-coupled device camera to analyze the luminescence spectral properties of archaeological quartz with high firing temperatures.Then,five filter combinations and two photomultiplier tubes(PMTs)were used to compare the TL and isothermal thermoluminescence(ITL)sensitivities of blue and red emissions.Kinetic parameters for Blue TL and Red TL were determined by deconvolving the glow curves with the general-order equation.Finally,exposure experiments were conducted on the Blue and Red TL using a solar simulator.The single aliquot regenerative dose(SAR)protocol was implemented to assess the applicability of the Blue TL-SAR,Blue ITL-SAR,Red TL-SAR,Red ITL-SAR,and optically stimulated luminescence(OSL)-SAR methods for dating archaeological quartz exposed to high temperatures during production or use.[Conclusions]The spectral analysis reveals that the archaeological quartz subjected to high firing temperature exhibits significant Red TL emissions at approximately 620 nm,which is correlated with the TL peak at 375 ℃.This Red TL at 375 ℃ exhibits a marked insensitivity to light.The multi-wavelength TL,multiwavelength ITL,and conventional OSL dating results are consistent with the known radiocarbon age within the error range.This study demonstrates the potential feasibility of using luminescence signals of different wavelengths for chronological studies of archaeological materials subjected to high firing temperatures. |
Author | 范安川 李波 张小雷 汪椿鑫 闫子晗 |
AuthorAffiliation | 中国科学技术大学 科技考古实验室 合肥 230026;中国科学技术大学 科技史与科技考古系 合肥 230026%澳大利亚伍伦贡大学考古科学中心 伍伦贡 NSW 2522%安徽省文物考古研究所 合肥 230601 |
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Author_FL | LI Bo ZHANG Xiaolei YAN Zihan WANG Chunxin FAN Anchuan |
Author_FL_xml | – sequence: 1 fullname: WANG Chunxin – sequence: 2 fullname: FAN Anchuan – sequence: 3 fullname: LI Bo – sequence: 4 fullname: YAN Zihan – sequence: 5 fullname: ZHANG Xiaolei |
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DocumentTitle_FL | Luminescence spectrum characteristics and dating studies of archaeologically heated quartz |
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Keywords | 陶器 Archaeology 光谱 热释光 Pottery 年代学 Chronology 考古 Thermoluminescence Spectrum |
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Snippet | TL84; 释光测年技术在解决考古低温受热材料的年代问题中已趋于成熟,而在考古高温受热材料的释光测年研究中仍颇具挑战.以凌家滩遗址出土陶器中提取的考古高温受热石英(约950 ℃)为例,探究此类石英的释光发光光谱特征与释光性质,旨在探讨不同波段的热释光信号在释光测年中的可行性.基于Ris?... |
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Title | 考古受热石英释光发光光谱性质及其测年研究 |
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