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Phase-shift interference microscope for the investigation of dipole-orientation distributions



Optics Letters 20 (1995), Nr.8, S.816-18
ISSN: 0146-9592
Fraunhofer HHI ()
electro-optical effects; light interferometry; nonlinear optics; optical microscopy; optical polymers; optical rotation; phase-shift interference microscope; dipole-orientation distributions; electro-optical microscope; phase-shift interferometry; electrooptic response; two-dimensional map; electro-optic activity; periodically poled nonlinear-optical side-chain polymer

A compact experimental setup for an electro-optical microscope is introduced. The microscope is based on phase-shift interferometry (a well-known tool for surface profilometry) that is modified for measuring electrooptic responses. Its feasibility is demonstrated with a two-dimensional map of the electro-optic activity of a periodically poled nonlinear-optical side-chain polymer.