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Related Experiment Video

Updated: Jun 14, 2026

Convergent Polishing: A Simple, Rapid, Full Aperture Polishing Process of High Quality Optical Flats & Spheres
13:07

Convergent Polishing: A Simple, Rapid, Full Aperture Polishing Process of High Quality Optical Flats & Spheres

Published on: December 1, 2014

Segmented mirror polishing experiment.

R A Jones

    Applied Optics
    |April 8, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Computer-controlled polishing effectively reduced errors on a segmented mirror. This advanced technique achieved high-quality surface figures, even at the mirror segment edges.

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    Area of Science:

    • Optics
    • Materials Science
    • Manufacturing Engineering

    Background:

    • Segmented mirrors are crucial for large-aperture optical systems.
    • Achieving precise surface figures on mirror segments, especially at the edges, presents significant challenges.
    • Traditional polishing methods can be time-consuming and less accurate for complex shapes.

    Purpose of the Study:

    • To demonstrate the capability of a computer-controlled polisher for fabricating mirror segments.
    • To evaluate the effectiveness of specialized software and tooling in reducing surface errors.
    • To assess the quality of the finished surface figure, including edge regions.

    Main Methods:

    • A single mirror segment was polished using a computer-controlled polisher.
    • Specialized software and custom tooling were employed during the polishing process.

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    Convergent Polishing: A Simple, Rapid, Full Aperture Polishing Process of High Quality Optical Flats & Spheres
    13:07

    Convergent Polishing: A Simple, Rapid, Full Aperture Polishing Process of High Quality Optical Flats & Spheres

    Published on: December 1, 2014

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  • Surface figure errors were measured and analyzed throughout the experiment.

    • Main Results:

    • The computer-controlled polishing process rapidly reduced surface figure errors.
    • A high-quality surface figure was achieved across the entire mirror segment.
    • The process demonstrated effectiveness in producing accurate figures up to the segment's edges.

    Conclusions:

    • Computer-controlled polishing is a viable and efficient method for fabricating high-precision mirror segments.
    • The employed software and tooling enable rapid error reduction and excellent edge finishing.
    • This technique holds promise for advancing the manufacturing of large optical components.