supercollimation
English
editEtymology
editFrom super- + collimation.
Noun
editsupercollimation (plural supercollimations)
- (physics) The focusing of radiation into a finite-width beam that shows very little diffraction.
- 2016, Alexander Cerjan, Aaswath Raman, Shanhui Fan, “Exceptional contours and band structure design in parity-time symmetric photonic crystals”, in arXiv[1]:
- In photonic crystals, such thresholdless transitions are shown to yield significant control over the band structure of the system, and can result in all-angle supercollimation, a -superprism effect, and unidirectional behavior..