Freeform surfaces for low distortion reflective imagers

J. Michael Rodgers

doi:10.1117/12.2286505

27 November 2017 Freeform surfaces for low distortion reflective imagers

J. Michael Rodgers

Proceedings Volume 10590, International Optical Design Conference 2017; 105900Y (2017) https://doi.org/10.1117/12.2286505
Event: International Optical Design Conference - IODC 2017, 2017, Denver, United States

Abstract

This paper describes the use of freeform optical surfaces to control distortion to lower levels than achievable with rotationally symmetric polynomial aspheres. The magnitude of the improvement is illustrated using three different common reflective imager configurations.

Citation Download Citation

J. Michael Rodgers "Freeform surfaces for low distortion reflective imagers", Proc. SPIE 10590, International Optical Design Conference 2017, 105900Y (27 November 2017); https://doi.org/10.1117/12.2286505

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KEYWORDS

Imaging systems

Optical design

Aspheric lenses

Astronomical imaging

Distortion

Freeform optics

Reflectivity

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