The importance of Petzval correction in generalized Offner designs

John R. Rogers; Andrew Rakich

doi:10.1117/12.2567569

21 August 2020 The importance of Petzval correction in generalized Offner designs

John R. Rogers, Andrew Rakich

Proceedings Volume 11482, Current Developments in Lens Design and Optical Engineering XXI; 1148207 (2020) https://doi.org/10.1117/12.2567569
Event: SPIE Optical Engineering + Applications, 2020, Online Only

Abstract

In this paper we examine the third-order aberrations of the “generalized Offner” family of designs comprising three concentric mirrors, with the first and third mirrors being not necessarily identical in radius and including the possibility that the object might be displaced from the common centers of curvature. We develop analytic expressions relating the first-order and third-order properties of the system to the radii of the three mirrors and to the object distance. Although one might expect a ring-field system to be relatively tolerant of field curvature, we show that the Petzval Sum affects the other aberrations in an extraordinary manner.

Conference Presentation

Citation Download Citation

John R. Rogers and Andrew Rakich "The importance of Petzval correction in generalized Offner designs", Proc. SPIE 11482, Current Developments in Lens Design and Optical Engineering XXI, 1148207 (21 August 2020); https://doi.org/10.1117/12.2567569

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