Nearly Aberration-Free Multiphoton Polymerization into Thick Photoresist Layers

In the era of lab-on-chip (LOC) devices, two-photon polymerization (TPP) is gaining more and more interest due to its capability of producing micrometer-sized 3D structures. With TPP, one may integrate functional structures into microfluidic systems by polymerizing them directly inside microchannels...

Teljes leírás

Elmentve itt :
Bibliográfiai részletek
Szerzők: Horváth Bence
Ormos Pál
Kelemen Lóránd
Dokumentumtípus: Cikk
Megjelent: 2017
Sorozat:MICROMACHINES 8 No. 7
Tárgyszavak:
doi:10.3390/mi8070219

mtmt:3257987
Online Access:http://publicatio.bibl.u-szeged.hu/22828
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490 0 |a MICROMACHINES  |v 8 No. 7 
520 3 |a In the era of lab-on-chip (LOC) devices, two-photon polymerization (TPP) is gaining more and more interest due to its capability of producing micrometer-sized 3D structures. With TPP, one may integrate functional structures into microfluidic systems by polymerizing them directly inside microchannels. When the feature of sub-micrometer size is a requirement, it is necessary to use high numerical aperture (NA) oil-immersion objectives that are optimized to work close to the glass substrate-photoresist interface. Further away from the substrate, that is, a few tens of micrometers into the photoresist, the focused beam undergoes focal spot elongation and focal position shift. These effects may eventually reduce the quality of the polymerized structures; therefore, it is desirable to eliminate them. We introduce a method that can highly improve the quality of structures polymerized tens of micrometers away from the substrate-photoresist interface by an oil-immersion, high NA objective. A spatial light-modulator is used to pre-compensate the phase-front distortion introduced by the interfacial refractive index jump on the strongly converging beam. 
650 4 |a Egyéb műszaki tudományok és technológiák 
650 4 |a Villamosmérnöki és informatikai tudományok 
650 4 |a Gépészmérnöki tudományok 
650 4 |a Nanotechnológia 
700 0 1 |a Ormos Pál  |e aut 
700 0 1 |a Kelemen Lóránd  |e aut 
856 4 0 |u http://publicatio.bibl.u-szeged.hu/22828/1/Cikk_Micromachines.pdf  |z Dokumentum-elérés