Caustic curve

{
  "id": "MLC-T-IND-001012",
  "term": "Caustic curve",
  "field": "Industrial and trades",
  "definition": "The envelope of light rays that have been focused after reflection or refraction from a curved object or surface. This phenomenon creates a bright curve or surface of concentrated light, visible as a pattern of bright lines. A familiar example is the bright, cusp-shaped pattern of light seen at the bottom of a coffee cup when light shines into it from the side.",
  "subject": "Optics and imaging",
  "see_also": [
    "caustic",
    "caustic surface",
    "focus"
  ],
  "translations": {
    "de": "Kaustische Kurve",
    "es": "curva cáustica",
    "fr": "caustique"
  },
  "url": "https://mlchart.com/terminology/industrial/caustic-curve/"
}