Laser micro- and nanostructuring using femtosecond bessel beams

HIGHLIGHTS

• who: M.K. Bhuyan and colleagues from the via Valleggio, Como, Italy, University of Quebec, BoulLionel-Boulet, Varennes, Quebec have published the article: Laser micro- and nanostructuring using femtosecond Bessel beams, in the Journal: (JOURNAL)
• what: The authors report the generation of femtosecond of conical half-angle 26 degrees using an axicon lens and beam reduc-tion imaging setup. The authors describe how spatial beam shaping using an axicon lens to generate "diffraction-free" femtosecond Bessel beams overcomes this problem, and allows the convenient fabrication of extended channels. a b It is first instructive to . . .
  

   

  

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