Mr. Yang Chen Profile

Yang Chen

at Tsinghua University

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Proceedings Article | 19 October 2016 Paper

Nodal aberration theory for wild-filed asymmetric optical systems

Yang Chen, Xuemin Cheng, Qun Hao

Proceedings Volume 10154, 101541W (2016) https://doi.org/10.1117/12.2247327

KEYWORDS: Aberration theory

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Nodal Aberration Theory (NAT) was used to calculate the zero field position in Full Field Display (FFD) for the given aberration term. Aiming at wide-filed non-rotational symmetric decentered optical systems, we have presented the nodal geography behavior of the family of third-order and fifth-order aberrations. Meanwhile, we have calculated the wavefront aberration expressions when one optical element in the system is tilted, which was not at the entrance pupil. By using a three-piece-cellphone lens example in optical design software CodeV, the nodal geography is testified under several situations; and the wavefront aberrations are calculated when the optical element is tilted. The properties of the nodal aberrations are analyzed by using Fringe Zernike coefficients, which are directly related with the wavefront aberration terms and usually obtained by real ray trace and wavefront surface fitting.

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