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Proceedings Paper

Mathematical theory of differential rotational shearing interferometry: asymmetrical aberrations
Author(s): Marija Strojnik; Gonzalo Paez
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Paper Abstract

We derive the analytical expressions to demonstrate that the asymmetrical part of the wave-front aberration function may be determined with a rotational shearing interferometer. The coefficients up to the fourth order in the radial coordinate may be found. The differential rotational shearing interferometer is proposed for measurement and detection of large amounts of aberrations, such as those anticipated in testing off-axis optical systems. The number of fringes displayed across the pupil is controlled with the shearing angle; therefore, its sensitivity may be increased by decreasing the shearing angle.

Paper Details

Date Published: 13 August 1999
PDF: 12 pages
Proc. SPIE 3744, Interferometry '99: Techniques and Technologies, (13 August 1999); doi: 10.1117/12.357731
Show Author Affiliations
Marija Strojnik, Ctr. de Investigaciones en Optica (Mexico)
Gonzalo Paez, Ctr. de Investigaciones en Optica (Mexico)

Published in SPIE Proceedings Vol. 3744:
Interferometry '99: Techniques and Technologies
Malgorzata Kujawinska; Mitsuo Takeda, Editor(s)

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