title: Femtosecond laser microstructuring for polymeric lab-on-chips.
abstract: This paper provides an overview of femtosecond laser microfabrication in polymeric materials, with emphasis on lab-on-chip applications. Due to the nonlinear interaction of femtosecond laser pulses with polymers, laser-induced modifications are localized to the focal volume, enabling high resolution patterning in 3D. Femtosecond laser microfabrication offers unmatched versatility in fabricating surface microchannels and diffractive optics by means of laser ablation, buried optical waveguides and micro-optics through refractive index modification and complex 3D microstructures in photoresists by two-photon polymerization. Femtosecond laser microfabrication technology opens the door to fabricating integrated lab-on-chip devices with a single tool.
authors.affiliation: Istituto di Fotonica e Nanotecnologie IFN - CNR and Dipartimento di Fisica - Politecnico di Milano, P.zza L. da Vinci 32, 20133 Milano, Italy. shane.eaton@ifn.cnr.it.
authors.forename: Shane M
authors.initials: SM
authors.lastname: Eaton
authors.forename: Carmela
authors.initials: C
authors.lastname: De Marco
authors.forename: Rebeca
authors.initials: R
authors.lastname: Martinez-Vazquez
authors.forename: Roberta
authors.initials: R
authors.lastname: Ramponi
authors.forename: Stefano
authors.initials: S
authors.lastname: Turri
authors.forename: Giulio
authors.initials: G
authors.lastname: Cerullo
authors.forename: Roberto
authors.initials: R
authors.lastname: Osellame
mesh_terms: D006801:Humans; D007834:Lasers; D046208:Microchip Analytical Procedures / Q000379:methods*; D055620:Optical Phenomena; D017785:Photons; D058105:Polymerization; D011108:Polymers / Q000737:chemistry*
chemical_list: D011108:Polymers