Study on PSS performances using synchrotron radiation   light as an exciting source

HU Zhaohui  LIU Shijie  LIU Pingsheng  HUANG Yuying  LIU  Peng  FENG Guohua

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Study on PSS performances using synchrotron radiation light as an exciting source

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- Study on PSS performances using synchrotron radiation light as an exciting source
- NUCLEAR TECHNIQUES Issue 8, (2001)
- 作者机构：
  
  中国科学院高能物理研究所,北京,100080
- 作者简介：
- 基金信息：
  
  国家自然科学基金 ( 193 92 10 0;192 75 0 4 9和 19875 0 64);中国科学院核技术开放实验室 (北京部分 )资助项目
- DOI：
  CLC： O434.1;O572.21
- Published：01 August 2001
- 稿件说明：
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[1]胡朝晖,刘世杰,刘平生,黄宇营,刘鹏,冯国华.用同步光微束作激发源的PSS性能研究[J].核技术,2001(08):691-695.

HU Zhaohui LIU Shijie LIU Pingsheng HUANG Yuying LIU Peng FENG Guohua. Study on PSS performances using synchrotron radiation light as an exciting source[J]. Nuclear techniques, 2001, (8): 691-695.
[1]胡朝晖,刘世杰,刘平生,黄宇营,刘鹏,冯国华.用同步光微束作激发源的PSS性能研究[J].核技术,2001(08):691-695. DOI：

HU Zhaohui LIU Shijie LIU Pingsheng HUANG Yuying LIU Peng FENG Guohua. Study on PSS performances using synchrotron radiation light as an exciting source[J]. Nuclear techniques, 2001, (8): 691-695. DOI：

摘要

用同步光微束作激发源

对所研制的平面晶体波长色散位置灵敏谱仪（PSS）性能进行了研究。结果表明

用LiF（2 0 0 ）晶体测得TiKα的能量分辨率达 14 .2eV

比Si（Li）探测器的能量分辨率好一个多量级 ;用Si（Li）观察不锈钢样品中的CrKβ与MnKα两X线为一重叠的峰

而用PSS能清楚地分辨它们 ;对K2 Cr2 O7样品中Cr的探测限 <2 0 0 μg/ g和对一气溶胶样品中Ti的可检测量达 10 - 9— 10 - 10 g量级。结果表明

随着实验条件的改善使PSS的探测限进一步降低

在同步光束线上用PSS开展高能量分辨的微量元素分析将是可行的。

Abstract

A study on the performances of wavelength-dispersive position sensitive spectrometer with a flat crystal (PSS) using micro-synchrotron radiation light beam (μ-SRL) as exciting source was made. The energy resolution of 14.2eV for Ti Kα

which was one order of magnitude better than that measured by Si(Li) detector

was obtained. The overlap between Cr Kβ and Mn Kα observed by Si(Li) detector for a stainless steel sample was clearly resolved by PSS. The detection limit for Cr in a sample of K 2Cr 2O 7 was <200μg/g and detect limit for Ti in an aerosol sample could reach 10 -9 -10 -10 g order. These indicated that with further decrease of detection limit of PSS

the research of trace element analysis with high-energy resolution would be feasible by using PSS combined with the exciting source of μ-SRL beam.

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