Large-aperture Dove prism for a rotational shearing interferometer

Ivan Moreno; Gonzalo Paez; Jorge Garcia-Marquez; Marija Strojnik

doi:10.1117/12.450549

18 December 2002 Large-aperture Dove prism for a rotational shearing interferometer

Ivan Moreno, Gonzalo Paez, Jorge Garcia-Marquez, Marija Strojnik

Proceedings Volume 4818, Infrared Spaceborne Remote Sensing X; (2002) https://doi.org/10.1117/12.450549
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

An analytical expression is derived for the tilt introduced into a wave front by a Dove prism with manufacturing errors: error in the base angles and in the pyramidal angle. We found that the tilt decreases when the base angles are increased above the values of traditional design. The increase in the length-aperture ratio of a prism is detrimental to its performance. However, a Dove prism with a widened aperture increases throughput and keeps prism weight manageable for implementation in the rotational shearing interferometer. Thus, we propose a Dove prism designed with a widened aperture to increase throughput in the rotational shearing interferometer and with larger base angles to minimize the wave-front tilt introduced due to manufacturing errors.

Citation Download Citation

Ivan Moreno, Gonzalo Paez, Jorge Garcia-Marquez, and Marija Strojnik "Large-aperture Dove prism for a rotational shearing interferometer", Proc. SPIE 4818, Infrared Spaceborne Remote Sensing X, (18 December 2002); https://doi.org/10.1117/12.450549

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