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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 14 — Jul. 5, 2010
  • pp: 15216–15222

Sub-aperture stitching interferometry using stereovision positioning technique

Pengfei Zhang, Hong Zhao, Xiang Zhou, and Jinjun Li  »View Author Affiliations


Optics Express, Vol. 18, Issue 14, pp. 15216-15222 (2010)
http://dx.doi.org/10.1364/OE.18.015216


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Abstract

A stereovision-assisted sub-aperture stitching (SAS) approach is proposed to solve the positioning problem of tested optics. The principle of stitching is analyzed and the overlapping calculation problem is simplified. Then, a binocular stereovision system is integrated into a test configuration. By measuring the coordinates of marks attached to the fixture in different positions, the stereovision system obtains the position and pose data of the optics to provide the initial values for optimization algorithm. The key benefit of stereovision is that the SAS test is easily performed without a precision positioning system. A simulation and practical examples are given to demonstrate the performance of this method. The stitching result shows good agreement with the full-aperture result.

© 2010 OSA

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5800) Instrumentation, measurement, and metrology : Scanners
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(330.1400) Vision, color, and visual optics : Vision - binocular and stereopsis

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: April 28, 2010
Revised Manuscript: June 9, 2010
Manuscript Accepted: June 28, 2010
Published: July 1, 2010

Citation
Pengfei Zhang, Hong Zhao, Xiang Zhou, and Jinjun Li, "Sub-aperture stitching interferometry using stereovision positioning technique," Opt. Express 18, 15216-15222 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-14-15216


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