Subwavelength-grating-induced wavefront aberrations: A case study

Karlton Crabtree, Russell A Chipman

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The on-axis wavefront aberrations of a one-dimensional subwavelength- grating antireflection coating on an f/1.7 lens surface are shown to be small with noticeable contributions of defocus, astigmatism, and piston. The astigmatism is 0.02 wave, and the magnitude of the piston approaches one wave peak-to-valley. The difference in aberrations between orthogonally polarized wavefronts, or the retardance aberration, shows 0.01 wave of astigmatismlike variation and more than 0.01 wave of retardance-induced defocuslike variation. A small coupling between polarization states occurs in the form of the familiar Maltese cross, yielding a maximum of 3% coupling in the four diagonal edges of the pupil.

Original languageEnglish (US)
Pages (from-to)4549-4554
Number of pages6
JournalApplied Optics
Volume46
Issue number21
DOIs
StatePublished - Jul 20 2007

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Wavefronts
Aberrations
aberration
gratings
astigmatism
pistons
Pistons
Antireflection coatings
antireflection coatings
pupils
valleys
Lenses
lenses
Polarization
polarization

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Subwavelength-grating-induced wavefront aberrations : A case study. / Crabtree, Karlton; Chipman, Russell A.

In: Applied Optics, Vol. 46, No. 21, 20.07.2007, p. 4549-4554.

Research output: Contribution to journalArticle

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