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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 12 — Jun. 11, 2007
  • pp: 7165–7175

Optical testing using the transport-of-intensity equation

C. Dorrer and J. D. Zuegel  »View Author Affiliations

Optics Express, Vol. 15, Issue 12, pp. 7165-7175 (2007)

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The transport-of-intensity equation links the intensity and phase of an optical source to the longitudinal variation of its intensity in the presence of Fresnel diffraction. This equation can be used to provide a simple, accurate spatial-phase measurement for optical testing of flat surfaces. The properties of this approach are derived. The experimental demonstration is performed by quantifying the surface variations induced by the magnetorheological finishing process on laser rods.

© 2007 Optical Society of America

OCIS Codes
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(220.4840) Optical design and fabrication : Testing

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: March 13, 2007
Revised Manuscript: April 12, 2007
Manuscript Accepted: May 1, 2007
Published: May 29, 2007

C. Dorrer and J. D. Zuegel, "Optical testing using the transport-of-intensity equation," Opt. Express 15, 7165-7175 (2007)

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