Innovative optical design combining freeform optics and curved-freeform sensors

Jiawei Liu; Simona Lombardo; Eduard Muslimov; Manal Chebbo; Emmanuel Hugot

doi:10.1117/12.2629193

29 August 2022 Innovative optical design combining freeform optics and curved-freeform sensors

Jiawei Liu, Simona Lombardo, Eduard Muslimov, Manal Chebbo, Emmanuel Hugot

Proceedings Volume 12188, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation V; 121882O (2022) https://doi.org/10.1117/12.2629193
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

Innovative optical designs combing freeform optics and curved freeform sensors will be key elements to improve the optical performance and reduce the overall manufacturing and testing pressure of optical complex systems. In this paper, three version of unobscured all-reflective TMA-type telescopes (D=10cm, FOV=7°×7°) will be designed separately with flat sensor, spherical sensor and freeform sensor. Then, we will analyze and compare their imaging quality (RMS spot radius) and surface complexity (PV sag departure and Max slope departure) to demonstrate the advantage of freeform sensor applied in the off-axis optical system. Finally, we make comparison on sensitivity analysis of surface error between mirror surfaces and freeform sensor surfaces to prove that the manufacturing pressure of the sensor did not increase even though its surface complexity increased. We expect that such a design has a great potential to be applied in the space weather monitoring and solar system planetary exploration drones.

Citation Download Citation

Jiawei Liu, Simona Lombardo, Eduard Muslimov, Manal Chebbo, and Emmanuel Hugot "Innovative optical design combining freeform optics and curved-freeform sensors", Proc. SPIE 12188, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation V, 121882O (29 August 2022); https://doi.org/10.1117/12.2629193

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