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Often just called collimated light due to the collimator being the main procedure to obtain it.
However, you move very far away from the source, e.g. the Sun, you also get essentially parallel light.
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Ancestors (13)

  1. Collimated beam
  2. Collimator
  3. Optical component
  4. Optics
  5. Photon
  6. Elementary particle
  7. Subatomic particle
  8. Standard Model
  9. Particle physics
  10. Physics
  11. Natural science
  12. Science
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