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Cited by 30Surface Roughness and Optical MeasurementsAdvanced optical system designOptical Coatings and Gratings

Never-ending struggles with mid-spatial frequencies

Forbes, G. W.·2015·SPIE Proceedings
DOI 10.1117/12.2191135
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Abstract

Optical surfaces feature a wide range of length scales from “figure” down to “finish”, but the mid-spatial frequency structure (MSF) holds growing significance. Cost-effective production of systems demands answers to multiple layers of related questions, such as how best to quantify MSF, assess its optical impact, and employ existing production tools to meet MSF requirements. These answers evolve as new production technologies are introduced. I present general observations about a few of the associated challenges and attempt to clarify some essential aspects related to quantifying MSF as well as estimating its impact.

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  • MSF errors can cause detrimental effects on optical performance including increased small angle scatter, increased downstream modulation/intensification, and reduced image contrast.

    “MSF errors can cause detrimental effects on the optical performance including increased small angle scatter, increased downstream modulation/intensification, and reduced image contrast [6-11].”

    From Smoothing tool design and performance during subaperture glass polishing (2023) · cites this paper as [9]

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Authors
Forbes, G. W.
Affiliations
University of North Carolina at Charlotte (US)
Corresponding author
Forbes, G. W.
Venue
SPIE Proceedings
Publisher
SPIE
Published
2015-06-22
Volume
9525
Pages
95251B
ISSN
0277-786X (ISSN-L)
DOI
10.1117/12.2191135
OpenAlex
W1446320569
Cited by
30
References
0
Citations by year
2026: 2 · 2024: 2 · 2023: 3 · 2022: 3 · 2021: 4 · 2020: 2 · 2019: 1 · 2018: 3 · 2017: 6 · 2016: 3 · 2015: 1
FWCI
7.97
Type
conference paper
Language
en
Open access
closed
Locations
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE (publishedVersion)
Topics
  • Physical Sciences › Engineering › Computational Mechanics › Surface Roughness and Optical Measurements
  • Physical Sciences › Engineering › Biomedical Engineering › Advanced optical system design
  • Physical Sciences › Materials Science › Surfaces, Coatings and Films › Optical Coatings and Gratings
Keywords
optical fabrication, surface metrology

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