
Proceedings Paper
Quantitative characterization of supersmooth surface with roughness in the sub-nanometer rangeFormat | Member Price | Non-Member Price |
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Paper Abstract
There is an increasing necessity to use supersmooth surfaces, and quantitative Characterization of surpersmooth surface
with roughness in the sub-nanometer range plays an important role in the controlling the super-polishing process and
raising the final surface quality. So it is necessary to improve the methods of measuring and specifying the highly
smooth optical surfaces. The estimating system based on the Power Spectral Density (PSD) function is introduced in this
paper, including the basic theory and the physical meaning. Two kinds of supersmooth surface, isotropy and anisotropy,
are measured by optical profiler and the topographies are gotten. Then PSD curves calculated from the discrete profile
data and light scattering properties are discussed in detail. Furthermore, optical profiler and AFM are adopted to test the
same sample with different measurement parameters to investigate the PSD analysis method. Eventually a polynomial is
fitted to the data sets in an extanted spatial frequency domain, 10μm-1~12.8μm-1, including low frequency,
mid-frequency, and high frequency band. Although the frequency response of the instruments and the scanning area can
affect the test results, the results can still be compared with each other directly using the PSD. The research gives a
powerful support to selecting appropriate measurement instrument and parameters in the interested frequency regime
during the surface test, which is useful at controlling and giving feedback on the fabrication of supersmooth surface.
Paper Details
Date Published: 20 May 2009
PDF: 6 pages
Proc. SPIE 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 72830B (20 May 2009); doi: 10.1117/12.828590
Published in SPIE Proceedings Vol. 7283:
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Yudong Zhang; James C. Wyant; Robert A. Smythe; Hexin Wang, Editor(s)
PDF: 6 pages
Proc. SPIE 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 72830B (20 May 2009); doi: 10.1117/12.828590
Show Author Affiliations
Zhenxiang Shen, Tongji Univ. (China)
Zhanshan Wang, Tongji Univ. (China)
Bin Ma, Tongji Univ. (China)
Zhanshan Wang, Tongji Univ. (China)
Bin Ma, Tongji Univ. (China)
Li Wang, Tongji Univ. (China)
Yiqin Ji, Tianjin Jinhang Institute of Technology Physics (China)
Huasong Liu, Tianjin Jinhang Institute of Technology Physics (China)
Yiqin Ji, Tianjin Jinhang Institute of Technology Physics (China)
Huasong Liu, Tianjin Jinhang Institute of Technology Physics (China)
Published in SPIE Proceedings Vol. 7283:
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Yudong Zhang; James C. Wyant; Robert A. Smythe; Hexin Wang, Editor(s)
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