Femtosecond laser micromachining with extended depth of focus by using diffractive lenses
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Títol
Femtosecond laser micromachining with extended depth of focus by using diffractive lensesAutoria
Data de publicació
2014-06-01Editor
ElsevierCita bibliogràfica
TORRES PEIRÓ, S...[et al.]. Femtosecond laser micromachining with extended depth of focus by using diffractive lenses. Applied Surface Science v. 303, (June 2014), pp 393–398Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
We show that a simple diffraction focusing element can alleviate mechanical tolerances in ultrafast laser microprocessing. In particular, we experimentally demonstrate that, in comparison with a conventional refractive lens (RL), focusing light pulses of 30 fs onto a stainless steel sample with a diffractive lens (DL) can increase twice the useful axial ablation region. This is thanks to the combination of the broadband spectrum of ultrashort pulses, and the huge longitudinal chromatic aberration associated with DLs. We believe that our results might be useful for reducing the complexity and cost of ultrafast microprocessing systemsVersió
info:eu-repo/semantics/publishedVersionParaules clau / Matèries
Resum
We show that a simple diffraction focusing element can alleviate mechanical tolerances in ultrafast laser microprocessing. In particular, we experimentally demonstrate that, in comparison with a conventional refractive ... [+]
We show that a simple diffraction focusing element can alleviate mechanical tolerances in ultrafast laser microprocessing. In particular, we experimentally demonstrate that, in comparison with a conventional refractive lens (RL), focusing light pulses of 30 fs onto a stainless steel sample with a diffractive lens (DL) can increase twice the useful axial ablation region. This is thanks to the combination of the broadband spectrum of ultrashort pulses, and the huge longitudinal chromatic aberration associated with DLs. We believe that our results might be useful for reducing the complexity and cost of ultrafast microprocessing systems. [-]
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Applied Surface Science v. 303, (June 2014)Drets d'accés
http://rightsstatements.org/vocab/CNE/1.0/
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info:eu-repo/semantics/restrictedAccess
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