Mathematical theory of differential rotational shearing interferometry: asymmetrical aberrations

Marija Strojnik; Gonzalo Paez

doi:10.1117/12.357731

13 August 1999 Mathematical theory of differential rotational shearing interferometry: asymmetrical aberrations

Marija Strojnik, Gonzalo Paez

Proceedings Volume 3744, Interferometry '99: Techniques and Technologies; (1999) https://doi.org/10.1117/12.357731
Event: International Conference on Optical Metrology, 1999, Pultusk Castle, Poland

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.

Citation Download Citation

Marija Strojnik and Gonzalo Paez "Mathematical theory of differential rotational shearing interferometry: asymmetrical aberrations", Proc. SPIE 3744, Interferometry '99: Techniques and Technologies, (13 August 1999); https://doi.org/10.1117/12.357731

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