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20 August 2020 The optical system development and alignment for the Korsch type telescope
Seonghui Kim, Sug-Whan Kim
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Proceedings Volume 11487, Optical Manufacturing and Testing XIII; 114870D (2020) https://doi.org/10.1117/12.2567059
Event: SPIE Optical Engineering + Applications, 2020, Online Only
Abstract
We developed Korsch type telescope for the compact advanced satellite payload. The optical system has a diameter of 600 mm with F/11. All mirror component was developed to have better performance than the tolerance allocations. The alignment of three mirrors are guided using the algorithm, merit function regression method. During this process we found a new approach for the far field focus optimization. To minimize aberration, we have been focused on the main Zernike term (astigmatism and coma), but the focal plane position is also important to proceed to the next step. We will present our optimization process, and the result of performance.
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Seonghui Kim and Sug-Whan Kim "The optical system development and alignment for the Korsch type telescope", Proc. SPIE 11487, Optical Manufacturing and Testing XIII, 114870D (20 August 2020); https://doi.org/10.1117/12.2567059
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KEYWORDS
Mirrors
Optical alignment
Telescopes
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