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 ?m. The effect of the incident pulse energy on the characteristics of the nano- structures was studied using optical microscopy. © 2011 EDP Sciences and Springer.
Laser micro- and nanostructuring using femtosecond Bessel beams
Jedrkiewicz O;
2011
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 ?m. The effect of the incident pulse energy on the characteristics of the nano- structures was studied using optical microscopy. © 2011 EDP Sciences and Springer.File in questo prodotto:
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