Polarization-modulated grating interferometer by conical diffraction.
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DOI: 10.1364/oe.438490
Abstract: The grating interferometer in the Littrow configuration uses quarter wave plates (QWPs) to modulate the polarization in the measurement system to determine the autocollimation optical path. Fabrication errors and mounting errors of the QWPs lead… read more here.
Keywords: modulated grating; polarization modulated; polarization; conical diffraction ... See more keywords