Research on Eliminating Cumulative Errors for Stitching Algorithm of Large Aperture Aspheric Optical Elements

Yan Ting Zhang; Xu Yang; Xin Li; Yin Biao Guo

doi:10.4028/www.scientific.net/AMR.924.377

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Research on Eliminating Cumulative Errors for Stitching Algorithm of Large Aperture Aspheric Optical Elements
p.377

HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 924Research on Eliminating Cumulative Errors for...

Research on Eliminating Cumulative Errors for Stitching Algorithm of Large Aperture Aspheric Optical Elements

Abstract:

The sptitching measuring method applied in large-aperture aspheric surface optical elements can expand the range of precision measuring instrument. And the key point is developing the technique for high precision measuring data processing. To deal with the problem of cumulative errors which existed in the process of multi-section stitching, datum-transformation method was proposed, according to the characteristic of stitching measurement. The stitching measuring experiments were carried out based on Talysurf PGI 1240 profilometer of Taylor Hobson Company to verify the purpose for eliminating cumulative errors. The results show that datum-transformation method is feasible with the characteristic such as fast speed, high precision, and good operability.

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Periodical:

Advanced Materials Research (Volume 924)

Pages:

377-381

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.924.377

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Online since:

April 2014

Authors:

Yan Ting Zhang*, Xu Yang, Xin Li, Yin Biao Guo

Keywords:

Cumulative Errors, Datum Transformation, Large-Aperture Aspheric Surface, Multi-Section Stitching

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* - Corresponding Author

References

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