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Related Experiment Video

Updated: Jun 16, 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

Optimization of computer controlled polishing.

R A Jones

    Applied Optics
    |February 20, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a computer-controlled polisher for rapid, precise surface fabrication. The advanced system achieved a mirror surface accuracy of 1/80-wave root mean square (rms), demonstrating its effectiveness for aspheric optics.

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    Area of Science:

    • Optics and Materials Science
    • Precision Engineering
    • Manufacturing Technology

    Background:

    • Traditional polishing methods face challenges in achieving high precision for complex aspheric surfaces.
    • Lightweighted workpieces, particularly those with aspheric surfaces, require advanced fabrication techniques for optical applications.

    Purpose of the Study:

    • To develop and optimize a computer-controlled polisher for precise material removal on aspheric surfaces.
    • To demonstrate the capability of the system in fabricating high-accuracy optical components.

    Main Methods:

    • Utilizing a small, rotating tool with precisely controlled velocity for material removal.
    • Optimizing tool configurations, dwell times, scanning paths, and operating parameters for enhanced performance.
    • Implementing computer control for accurate trajectory and depth of cut over the workpiece surface.

    Main Results:

    • Successfully fabricated multiple workpieces, including a mirror with a surface departure of 1/80-wave root mean square (rms).
    • Achieved precise material removal at each point on the surface through accurate velocity control.
    • Demonstrated rapid figuring of aspheric surfaces, suitable for lightweighted optical components.

    Conclusions:

    • The developed computer-controlled polisher offers a viable solution for high-precision aspheric surface fabrication.
    • The system's optimization and successful demonstration highlight its potential for advanced optical manufacturing.
    • This technology enables the production of optical components with exceptional surface accuracy and quality.