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Keywords:

  • Conjugated polymers;
  • Image correlation;
  • Nonlinear optics;
  • Polyacetylenes;
  • Ring-opening metathesis polymerization
Thumbnail image of graphical abstract

Ring-opening metathesis polymerization of mono-substituted cyclooctatetraenes is used to form optical-quality films of polyacetylenes with large χ(3) of up to 2.1 × 10−10 esu in the near-infrared (1300–1550 nm). Thick films of such materials provide large diffraction efficiencies in ultrafast image-correlation applications.