Surface figure measurement tool based on a radial shearing interferometer using a geometric phase lens with various spherical wavefronts.
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DOI: 10.1364/ao.477105
Abstract: We describe a compact radial shearing interferometer based on a geometric phase lens as a surface figure measurement tool. Based on the polarization and diffraction characteristics of a geometric phase lens, two radially sheared wavefronts… read more here.
Keywords: geometric phase; radial shearing; phase lens; surface figure ... See more keywords