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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 13 — May. 1, 2012
  • pp: 2407–2413

Calibration method for high-accuracy measurement of long focal length with Talbot interferometry

Xiaorong Jin, Jinchun Zhang, Jian Bai, Changlun Hou, and Xiyun Hou  »View Author Affiliations


Applied Optics, Vol. 51, Issue 13, pp. 2407-2413 (2012)
http://dx.doi.org/10.1364/AO.51.002407


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Abstract

In this paper, a new calibration method for accurate long focal-length measurements, based on Talbot interferometry, is presented. Error analysis is derived in detail by the numerical method, and an effective way to improve the accuracy is proposed. By this method, the systematic errors that are the main factors effecting accuracy are calibrated and reduced. Both simulation and experiments have been carried out to prove the effectiveness and advantages of the proposed method as compared to conventional approaches. The experimental results reveal that the relative error is lower than 0.02%, and the repeatability is better than 0.05%. This method is especially useful for measuring long focal-length lenses.

© 2012 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(050.0050) Diffraction and gratings : Diffraction and gratings
(080.0080) Geometric optics : Geometric optics
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.4120) Instrumentation, measurement, and metrology : Moire' techniques

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: October 17, 2011
Revised Manuscript: December 9, 2011
Manuscript Accepted: January 14, 2012
Published: April 27, 2012

Citation
Xiaorong Jin, Jinchun Zhang, Jian Bai, Changlun Hou, and Xiyun Hou, "Calibration method for high-accuracy measurement of long focal length with Talbot interferometry," Appl. Opt. 51, 2407-2413 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-13-2407

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