• Optics and Precision Engineering
  • Vol. 32, Issue 13, 2004 (2024)
Chunan XUE1,3, Jun YU1,3,*, Pengfeng SHENG1,2, Haojie WANG1,3..., Zhanshan WANG1,3 and Dongfang WANG4|Show fewer author(s)
Author Affiliations
  • 1Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai200092, China
  • 2School of Mechanical Engineering, Tongji University, Shanghai0009, China
  • 3Key Laboratory of Advanced Micro-structured Materials, Ministry of Education, Tongji University,Shanghai200092, China
  • 4Optoelectronic Manufacturing Engineering Center, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai200092, China
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    DOI: 10.37188/OPE.20243213.2004 Cite this Article
    Chunan XUE, Jun YU, Pengfeng SHENG, Haojie WANG, Zhanshan WANG, Dongfang WANG. High-precision measurement of Wolter-I mandrel for X-ray microscopy by using double confocal probes[J]. Optics and Precision Engineering, 2024, 32(13): 2004 Copy Citation Text show less
    Schematic diagram of Wolter-I
    Fig. 1. Schematic diagram of Wolter-I
    Measurement device for surface profile of mandrel(Probe 1 measures the surface profile of the mandrel and probe 2 measures the surface profile of the reference mirror)
    Fig. 2. Measurement device for surface profile of mandrel(Probe 1 measures the surface profile of the mandrel and probe 2 measures the surface profile of the reference mirror)
    Mandrel test process
    Fig. 3. Mandrel test process
    Decomposition of measurement errors
    Fig. 4. Decomposition of measurement errors
    Schematic diagram of spectral confocal probe
    Fig. 5. Schematic diagram of spectral confocal probe
    Schematic diagram of assembly error correction
    Fig. 6. Schematic diagram of assembly error correction
    Measurement system of mandrel
    Fig. 7. Measurement system of mandrel
    Variation of repeatability with sampling frequency
    Fig. 8. Variation of repeatability with sampling frequency
    Surface shape and repeatability of reference surface
    Fig. 9. Surface shape and repeatability of reference surface
    Mandrel roundness fitting
    Fig. 10. Mandrel roundness fitting
    Taper error correction results
    Fig. 11. Taper error correction results
    Temperature and humidity monitoring data
    Fig. 12. Temperature and humidity monitoring data
    Result of environmental error correction experiment
    Fig. 13. Result of environmental error correction experiment
    Comparison of reference surface corrections
    Fig. 14. Comparison of reference surface corrections
    CGH measurement experiment
    Fig. 15. CGH measurement experiment
    Verification experiment of optical probe and CGH
    Fig. 16. Verification experiment of optical probe and CGH
    Two-dimensional surfaces
    Fig. 17. Two-dimensional surfaces
    参 数
    X轴水平直线度/μm0.129
    X轴垂直直线度/μm0.360
    Z轴水平直线度/μm0.063
    Z轴垂直直线度/μm0.753
    Y轴分辨率/nm1
    X-Z轴倾斜误差/(″)0.486
    C轴径向运动误差/nm7.21
    C轴轴向运动误差/nm6.58
    C轴角度误差/(″)0.6
    B轴角度分辨率/(″)0.02
    Table 1. Parameters of high-precision machine tools
    参 数规格
    测量原理光谱共焦
    测量范围300 μm
    分辨率0.09 nm
    重复性±5 nm
    光斑直径5 μm
    横向分辨率2.5 μm
    测量角90°+/-30°
    白光LED光谱范围380~760 nm
    Table 2. Parameters of spectral confocal probe
    Chunan XUE, Jun YU, Pengfeng SHENG, Haojie WANG, Zhanshan WANG, Dongfang WANG. High-precision measurement of Wolter-I mandrel for X-ray microscopy by using double confocal probes[J]. Optics and Precision Engineering, 2024, 32(13): 2004
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