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Conferences > ISA > 2020 > ITu5G > ITu5G.4

Easy-aligned Aberration-corrected Spectrometer using Freeform Surface

Lu Chen, Zhishan Gao, Xin Cao, Ningyan Xu, and Qun Yuan

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Abstract

We substitute a freeform surface consisting of the off-axis parabolic (OAP) surfaces for the collimating mirror and each sub-region of the focusing mirror, to achieve an aberration free spectrometer.

© 2020 The Author(s)

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