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13 August 1997 Interferometric patterns of asymmetrical wavefronts with differential rotationally shearing interferometer
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Abstract
We evaluate the general wavefront function of an optical system that does not possess a rotational symmetry, subject to the infinitesimal rotational shear. The interference pattern of an astigmatic wavefront generated in the differential rotationally shearing interferometer is equal to that in the Twyman-Green interferometer, but rotated by 45 degrees. The interferometric pattern of the 45 degree astigmatism changes into that of the 90 degree astigmatism. The interference pattern of a comatic wavefront generated in the differential rotationally shearing interferometer is equal to that in the Twyman-Green interferometer, but rotated by 90 degrees. The coma along the x-axis changes to the coma along the y-axis.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gonzalo Paez-Padilla and Marija Scholl "Interferometric patterns of asymmetrical wavefronts with differential rotationally shearing interferometer", Proc. SPIE 3061, Infrared Technology and Applications XXIII, (13 August 1997); https://doi.org/10.1117/12.280324
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