Photonic crystal

{
  "id": "MLC-T-CHM-008904",
  "term": "Photonic crystal",
  "field": "Chemistry",
  "definition": "A nanostructured material with a periodic variation in its refractive index, designed to control the flow of light. This periodic structure creates a photonic band gap, analogous to an electronic band gap in semiconductors, which forbids light propagation at certain frequencies. These materials are used in optical filters, waveguides, and sensors.",
  "subject": "Polymer",
  "references": [
    "PAC, 2020, 92, 1861. 'Terminology of polymers in advanced lithography (IUPAC Recommendations 2020)' on page 1883 (https://doi.org/10.1515/pac-2018-1215)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/photonic-crystal/"
}