Photon flux measurement of the soft  X-ray beamline in Hefei Light Source

ZHANG Yuxuan JIANG Shiping ZHANG Xinyi

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Photon flux measurement of the soft X-ray beamline in Hefei Light Source

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- Photon flux measurement of the soft X-ray beamline in Hefei Light Source
- NUCLEAR TECHNIQUES Issue 7, (2001)
- 作者机构：
  
  1. 中国科学技术大学国家同步辐射实验室,合肥,230029
  2. 复旦大学物理系上海200433,中国科学技术大学国家同步辐射实验室!合肥230029,中国科学技术大学国家同步辐射实验室!合肥230029,安徽医科大学核医学教研室!合肥230032,安徽医科大学核医学教研室,合肥,230032
- 作者简介：
- 基金信息：
  
  国家自然科学基金（39770195）
- DOI：
  CLC： O434.1
- Published：01 July 2001
- 稿件说明：
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[1]张玉?,蒋诗平,张新夷,魏道严,徐师国.合肥光源软X射线光束线光子通量的测量[J].核技术,2001(07):529-533.

ZHANG Yuxuan JIANG Shiping ZHANG Xinyi. Photon flux measurement of the soft X-ray beamline in Hefei Light Source[J]. Nuclear techniques, 2001, (7): 529-533.
[1]张玉?,蒋诗平,张新夷,魏道严,徐师国.合肥光源软X射线光束线光子通量的测量[J].核技术,2001(07):529-533. DOI：

ZHANG Yuxuan JIANG Shiping ZHANG Xinyi. Photon flux measurement of the soft X-ray beamline in Hefei Light Source[J]. Nuclear techniques, 2001, (7): 529-533. DOI：

摘要

计算了合肥光源软Ｘ射线光束线中光子通量与波长的关系；利用ＡＸＵＶ硅光电二极管测量了当单色仪使用(ＣＺＰ３２波带片和３０μｍ针孔时光电流与波长的关系曲线；根据光电流及光电二极管的量子效率得到了在真空隔离窗外２．８～３．９ｎｍ波长范围内的光子通量绝对数值为２．７ ×１０５－８．０ × １０５ｐｈｏｔｏｎｓ／（ｓ·ｍＡ·０．１ｎｍＢＷ），并由理论估算得到真空室中光子通量比真空室外高两个量级，约为１０７ｐｈｏｔｏｎｓ（ｓ· ｍＡ· ０．１ｎｍＢＷ）。

Abstract

The relationship between the photon flux and the wave length of the soft X - ray beamline in Hefei Light Source (HLS) was calculated. The photocurrent was measured by an AXUV photo diode when a condense zone plate of CZP32 type and a pinhole of 30 microns were adopted by the monochromator. Accoding to the photocurrent and the quantum efficiency of the diode

the absolute photon flux outside the vacuum separation window in a range of 2. 8 nm to 3. 9 nm was measured to be 2. 7 ×105-8. 0 ×105 photons/(s. mA·0. 1nmBW). By theoretical calculation

It was found that the photon flux inside the vacuum chamber was about 107 photons(s·mA·0. 1nmBW)

which was two orders higher than the value outside.

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