Theory of point-spread function artifacts due to structured mid-spatial frequency surface errors

John M. Tamkin, William J. Dallas, Thomas D Milster

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Optical design and tolerancing of aspheric or free-form surfaces require attention to surface form, structured surface errors, and nonstructured errors. We describe structured surface error profiles and effects on the image point-spread function using harmonic (Fourier) decomposition. Surface errors over the beam footprint map onto the pupil, where multiple structured surface frequencies mix to create sum and difference diffraction orders in the image plane at each field point. Difference frequencies widen the central lobe of the point-spread function and summation frequencies create ghost images.

Original languageEnglish (US)
Pages (from-to)4814-4824
Number of pages11
JournalApplied Optics
Volume49
Issue number25
DOIs
StatePublished - Sep 1 2010

Fingerprint

Optical transfer function
point spread functions
artifacts
Optical design
footprints
pupils
ghosts
lobes
Diffraction
Decomposition
harmonics
decomposition
profiles
diffraction

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Theory of point-spread function artifacts due to structured mid-spatial frequency surface errors. / Tamkin, John M.; Dallas, William J.; Milster, Thomas D.

In: Applied Optics, Vol. 49, No. 25, 01.09.2010, p. 4814-4824.

Research output: Contribution to journalArticle

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