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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 4 — Feb. 20, 2006
  • pp: 1468–1475

Endoscopic pulsed digital holography for 3D measurements

A. Tonatiuh Saucedo, Fernando Mendoza Santoyo, Manuel De la Torre-Ibarra, Giancarlo Pedrini, and Wolfgang Osten  »View Author Affiliations


Optics Express, Vol. 14, Issue 4, pp. 1468-1475 (2006)
http://dx.doi.org/10.1364/OE.14.001468


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Abstract

A rigid endoscope and three different object illumination source positions are used in pulsed digital holography to measure the three orthogonal displacement components from hidden areas of a harmonically vibrating metallic cylinder. In order to obtain simultaneous 3D information from the optical set up, it is necessary to match the optical paths of each of the reference object beam pairs, but to incoherently mismatch the three reference object beam pairs, such that three pulsed digital holograms are incoherently recorded within a single frame of the CCD sensor. The phase difference is obtained using the Fourier method and by subtracting two digital holograms captured for two different object positions.

© 2006 Optical Society of America

OCIS Codes
(090.2880) Holography : Holographic interferometry
(120.4630) Instrumentation, measurement, and metrology : Optical inspection
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(170.2150) Medical optics and biotechnology : Endoscopic imaging

ToC Category:
Holography

History
Original Manuscript: December 5, 2005
Revised Manuscript: January 30, 2006
Manuscript Accepted: February 1, 2006
Published: February 20, 2006

Virtual Issues
Vol. 1, Iss. 3 Virtual Journal for Biomedical Optics

Citation
A. Tonatiuh Saucedo, Fernando Mendoza Santoyo, Manuel De la Torre-Ibarra, Giancarlo Pedrini, and Wolfgang Osten, "Endoscopic pulsed digital holography for 3D measurements," Opt. Express 14, 1468-1475 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-4-1468


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References

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