12 December 1994 Spatial carrier analysis of interferograms with aspheric wavefronts
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The method of spatial carrier synchronous detection of an interferogram, also called direct interferometry, has been developed by several authors. Besides reviewing this method, we present here two spatial carrier interferometric procedures using a spatial circular carrier and also a phase modulated carrier to compensate the aberration of aspherical surfaces.
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Daniel Malacara-Hernandez, Daniel Malacara-Hernandez, Valentin I. Vlad, Valentin I. Vlad, Manuel Servin Guirado, Manuel Servin Guirado, } "Spatial carrier analysis of interferograms with aspheric wavefronts", Proc. SPIE 2340, Interferometry '94: New Techniques and Analysis in Optical Measurements, (12 December 1994); doi: 10.1117/12.195911; https://doi.org/10.1117/12.195911

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