Nonlinear common-path interferometer: an image processor

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 techniq...

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Veröffentlicht in:Applied Optics 2003-09, Vol.42 (25), p.5091-5095
Hauptverfasser: Treviño-Palacios, Carlos Gerardo, Iturbe-Castillo, Marcelo David, Sánchez-de-la-Llave, David, Ramos-García, Ruben, Olivos-Pérez, Luis Ignacio
Format: Artikel
Sprache:eng
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Zusammenfassung: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.
ISSN:1559-128X
0003-6935
1539-4522
DOI:10.1364/AO.42.005091