Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Gian-Luca Roth"'
Publikováno v:
Polymers, Vol 14, Iss 14, p 2962 (2022)
We report on the laser ablation of cyclic olefin copolymer using an amplified ultrashort pulsed laser in the ultraviolet spectral range. In addition to a high ablation depth per laser-structured layer up to 74 μm at a fluence of 22 J cm−2, an exce
Externí odkaz:
https://doaj.org/article/2f5257c0e0a3427ea9ec07449990da5f
Publikováno v:
Materials, Vol 15, Iss 11, p 3932 (2022)
We report on a comprehensive study of laser percussion microvia drilling of FR-4 printed circuit board material using ultrashort pulse lasers with emission in the green spectral region. Laser pulse durations in the pico- and femtosecond regime, laser
Externí odkaz:
https://doaj.org/article/bac6c36d4ed14058a401d83d95b43b1e
Publikováno v:
Photonics, Vol 9, Iss 4, p 234 (2022)
This contribution demonstrates photonic crystal waveguides generated within bulk planar sapphire substrates. A femtosecond laser is used to modify the refractive index in a hexagonal pattern around the pristine waveguide core. Near-field measurements
Externí odkaz:
https://doaj.org/article/222540c4614c476b919ea952e4f4e16e
Publikováno v:
Organic Photonic Materials and Devices XXV.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6907fe260ac86ac33dda62f39583d44
https://doi.org/10.1117/12.2648723
https://doi.org/10.1117/12.2648723
Publikováno v:
Journal of Laser Micro/Nanoengineering.
We report on the effect of different transversal beam shapes on the efficiency of ablation processes and the resulting surface characteristics. A possibility to efficiently apply ultrashort pulsed lasers with high average power is beam shaping. By us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25e08017444e293edf61b2f5618533ac
https://doi.org/10.2961/jlmn.2021.01.2011
https://doi.org/10.2961/jlmn.2021.01.2011
Publikováno v:
Laser-based Micro- and Nanoprocessing XIV.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce2ad1709837382692a98df5aa09d5b9
https://doi.org/10.1117/12.2543487
https://doi.org/10.1117/12.2543487
Autor:
Steffen Hessler, Maiko Girschikofsky, Gian-Luca Roth, S. Belle, Ralf Hellmann, Stefan Kefer, M. Rosenberger, Bernhard Schmauss
Publikováno v:
2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall).
This contribution reviews recent advancements, current research and possible applications of polymer planar Bragg grating (PPBG) sensors with a focus on the utilization of cyclic olefin copolymer (COC) substrates. COC-PPBGs can be handled and fabrica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7239b0e9137fbdca48abc69d26dfae94
https://doi.org/10.1109/piers-fall48861.2019.9021801
https://doi.org/10.1109/piers-fall48861.2019.9021801
Publikováno v:
Laser & Photonics Reviews. 15:2100215
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e4021768dd0e8eccc086db73c328157
https://doi.org/10.1002/lpor.202100215
https://doi.org/10.1002/lpor.202100215
Autor:
Stefan Kefer, Steffen Hessler, Ralf Hellmann, Bernhard Schmauss, Dominik Pape, Gian-Luca Roth
Publikováno v:
Optical Materials Express. 11:2389
This study demonstrates and discusses a novel approach for the fabrication and rapid prototyping of monolithic photonic platforms comprising a ridge-type waveguide with integrated sensing structures. First, the bulk injection-molded cyclic olefin cop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13d2e432e313a7afb7fc75379f761e48
https://doi.org/10.1364/ome.425778
https://doi.org/10.1364/ome.425778
Publikováno v:
Advanced Optical Materials. 9:2170048
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c094e0021d20c93c766fbbc21af4f19f
https://doi.org/10.1002/adom.202170048
https://doi.org/10.1002/adom.202170048