Femtosecond laser micromachining with extended depth of focus by using diffractive lenses
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Scholar |
Otros documentos de la autoría: Torres Peiró, Salvador; González Ausejo, Jennifer; Mendoza-Yero, Omel; Mínguez-Vega, Gladys; Lancis, Jesús
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http://dx.doi.org/10.1016/j.apsusc.2014.03.012 |
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Título
Femtosecond laser micromachining with extended depth of focus by using diffractive lensesAutoría
Fecha de publicación
2014-06-01Editor
ElsevierCita bibliográfica
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 393–398Tipo de documento
info:eu-repo/semantics/articleVersión de la 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 systemsVersión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
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)Derechos de acceso
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