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Laser micro- and nanostructuring using femtosecond Bessel beams |
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| Authors: | M K Bhuyan F Courvoisier H S Phing O Jedrkiewicz S Recchia P Di Trapani J M Dudley |
| Institution: | 1.CNISM and Dipartimento di Fisica e Matematica,Università dell’Insubria,Como,Italy;2.Département d’Optique P. M. Duffieux, Institut FEMTO-ST, UMR 6174,CNRS - Université de Franche-Comté,Besan?on Cedex,France;3.INRS-EMT,University of Quebec,Varennes,Canada;4.Nanophotonics Research Alliance,Universiti Teknologi Malaysia,Skudai, Johor,Malaysia;5.Dipartimento di Scienze Chimiche e Ambientali,Università dell’Insubria,Como,Italy |
| Abstract: | We report the generation of femtosecond Bessel beams of conical half-angle 26 degrees using an axicon lens and a beam reduction imaging setup. The generated Bessel beams were applied to the micromachining of nanostructures in glass of length up to 100 μm. The effect of the incident pulse energy on the characteristics of the nano- structures was studied using optical microscopy. |
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