axicon

noun ax·i·con \ ˈak-sə-ˌkän \

Definition of axicon

plural axicons
:an object resembling an optical lens with a conical surface that has no definite focal point
  • On a trip to Russia, Milchberg discovered that scientists there were using an odd, funnel-shaped “axicon” lens that brought laser beams into an elongated, needle-like focus instead of the sharp point that conventional lenses produce.
  • —Curt SupleeWashington Post11 Sept. 1995

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Origin and Etymology of axicon


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