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Analyzing the aberration fields of a three-mirror telescope and correcting them using freeform Zernike surfaces

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Using the aberration theory of freeform surfaces, an unobscured three-mirror freeform telescope is designed. The design process utilizes aberration full-field displays to strategically add freeform terms only where needed in an effort to minimize the freeform departure.

© 2017 Optical Society of America

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