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Updated: Apr 27, 2026
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Automatic Laser-based Geometry Capture for Finite Element Analysis of Weld Beads
Published on: July 25, 2025
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Creation of a 50,000λ long needle-like field with 0.36λ width: comment
Abstract:
In a recent paper, a method for the generation of a long, narrow needle of light was proposed [J. Opt. Soc. Am. A 31, 500 (2014)]. The implications of this on our appreciation of the properties of Bessel beams are discussed.
