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Applied Optics

Applied Optics


  • Vol. 42, Iss. 25 — Sep. 1, 2003
  • pp: 5091–5095

Nonlinear common-path interferometer: an image processor

Carlos Gerardo Treviño-Palacios, Marcelo David Iturbe-Castillo, David Sánchez-de-la-Llave, Ruben Ramos-García, and Luis Ignacio Olivos-Pérez  »View Author Affiliations

Applied Optics, Vol. 42, Issue 25, pp. 5091-5095 (2003)

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A single-lens optical setup with a nonlinear medium placed in its geometrical focal plane is used to contrast a phase disturbance. This setup blends the robustness of phase-contrast methods with an optical nonlinear intensity-dependent medium and the usefulness of traditional interferometric techniques. We show that the ratio of the total illumination area to the phase-object area determines an adequate phase-disturbance contrast.

© 2003 Optical Society of America

OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(190.4400) Nonlinear optics : Nonlinear optics, materials

Original Manuscript: January 16, 2003
Revised Manuscript: May 23, 2003
Published: September 1, 2003

Carlos Gerardo Treviño-Palacios, Marcelo David Iturbe-Castillo, David Sánchez-de-la-Llave, Ruben Ramos-García, and Luis Ignacio Olivos-Pérez, "Nonlinear common-path interferometer: an image processor," Appl. Opt. 42, 5091-5095 (2003)

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