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Related Experiment Videos

Antireflection coating design for plastic optics.

Ulrike Schulz1, Uwe B Schallenberg, Norbert Kaiser

  • 1Fraunhofer Institute for Applied Optics and Precision Engineering, Jena, Germany. ulrike.schulz@iof.fhg.de

Applied Optics
|June 18, 2002
PubMed
Summary
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A novel coating design enhances plastic durability and antireflection for optical uses. This method uses thin, high-refractive-index layers for improved scratch resistance and uniform optical performance.

Area of Science:

  • Materials Science
  • Optics
  • Polymer Science

Background:

  • Soft polymers require enhanced mechanical durability for optical applications.
  • Traditional optical coatings often involve multi-layer systems on hard coatings.
  • Existing methods may not offer optimal balance between durability and antireflection.

Purpose of the Study:

  • To develop an alternative coating design for plastics used in optical applications.
  • To improve both mechanical durability and antireflection properties simultaneously.
  • To investigate a new coating architecture for enhanced performance.

Main Methods:

  • Developed a needle optimization technique for coating design.
  • Utilized thin, high-refractive-index layers distributed evenly within the coating stack.

Related Experiment Videos

  • Employed plasma ion-assisted deposition for coating application.
  • Applied coatings to poly(methyl methacrylate), polycarbonate, and cyclo-olefin copolymer substrates.

    • Main Results:

    • Achieved uniform antireflection across the coated surfaces.
    • Demonstrated high scratch resistance, indicating improved mechanical durability.
    • The novel coating design proved effective on various polymer types.

    Conclusions:

    • The developed coating design offers a promising alternative for optical plastic applications.
    • This approach successfully integrates enhanced scratch resistance with antireflection properties.
    • Plasma ion-assisted deposition is a viable method for creating these advanced optical coatings.