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Medical Definition of Ehringhaus compensator
1. Device used in interference or polarization microscopy to reduce the brightness of the object to zero in order to measure the phase retardation (optical path difference). The compensator consists of a birefringent crystal plate that can be tilted. An alternative to Senarmont compensation and has the advantage that it can be applied to retardations of more than one wavelength. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of Ehringhaus Compensator
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