Browsing by Author "Ferrini, R."
Now showing items 1-16 of 16
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A new era for free-form micro-optics manufacturing : the final frontier …
Ferrini, R. (2021-03) -
CAD-based metrology of freeform microlens arrays, FMLAs
Fernandez, O.; Aderneuer, T.; Chaves, J.; Ferrini, R. (2021-03) -
Circadian tuning with metameric white light: Visual and non-visual aspects
Aderneuer, T.; Stefani, O.; Fernandez, O.; Cajochen, C.; Ferrini, R. (2020-12)The growing awareness of the biological effects of artificial light on humans has stimulated ample research. It is now widely accepted that asynchrony between artificialand natural light-dark cycles can elicit severe ... -
Controlling the Color of Plasmonic Substrates with Inkjet Printing
Duempelmann, L.; Muller, J. A.; Lutolf, F.; Gallinet, B.; Ferrini, R.; Novotny, L. (2017)This study introduces a versatile method for modifying the optical properties of plasmonic substrates by inkjet printing of commercially available, transparent inks with various refractive indices. The large-scale and ... -
Design for Manufacturing Tools for Free-Form Micro-Optical Arrays
Aderneuer, T.; Fernández, O.; Chaves, J.; Mohedano, R.; Ferrini, R. (2021-09) -
Electrically tunable multicolored filter based on plasmonic nanoscale phase retarder and liquid crystals
Driencourt, L.; Kazazis, D.; Ekinci, Y.; Federspiel, F.; Frantz, R.; Ferrini, R.; Gallinet, B. (2019)An electrically tunable filter based on a nanoimprinted plasmonic phase retarder and liquid crystal cell is reported. A plasmon resonance and its abrupt phase jump yield structural colors between crossed polarizers. A range ... -
Electrothermal Simulation of Large-Area Semiconductor Devices
Kirsch, C.; Altazin, S.; Hiestand, R.; Beierlein, T.; Ferrini, R.; Offermans, T.; et al. (2017)The lateral charge transport in thin-film semiconductor devices is affected by the sheet resistance of the various layers. This may lead to a non-uniform current distribution across a large-area device resulting in ... -
Freeform Optics for Precise Non-uniform Illumination Patterns
Fernandez, O.; Aderneuer, T.; Ferrini, R. (2019)Freeform optical components, lacking symmetry constraints, have the potential to re-distribute light extremely precisely since their surface can be optimized for nearly all incident rays. This property has been exploited ... -
Hybrid lightweight and flexible circuit boards for satellites
Marjanovic, N.; Disser, J.; Zanella, F.; Schleuniger, J.; Mustaccio, A.; Ferrini, R.; et al. (2018)Printed electronics is an emerging industry facilitating widespread, cost-effective electronics for applications such as flexible displays, printed photovoltaics, Organic Light Emitting Diodes, etc. Printed electronics ... -
Interference lithography for nanostructure fabrication
Zhurminsky, I.; Schnieper, M.; Ferrini, R.; Fricke, S. (2019)Some of the latest developments at CSEM Center Muttenz using diffraction gratings applied for a high resolution spectroscopy, light management in solar cells and LED, color filters, optical security, nano-membrane fabrication ... -
Non-contact printing of optical waveguides using capillary bridges
Theiler, P. M.; Lutolf, F.; Ferrini, R. (2018)Non-contact printing methods such as inkjet, electro hydrodynamic, and aerosol printing have attracted attention for their precise deposition of functional materials that are needed in printed electronics, optoelectronics, ... -
Optical enhancement of a printed organic tandem solar cell using diffractive nanostructures
Mayer, J. A.; Offermans, T.; Chrapa, M.; Pfannmoller, M.; Bals, S.; Ferrini, R.; et al. (2018)Solution processable organic tandem solar cells offer a promising approach to achieve cost-effective, lightweight and flexible photovoltaics. In order to further enhance the efficiency of optimized organic tandem cells, ... -
Self-contained optical enhancement film for printed photovoltaics
Mayer, J. A.; Gallinet, B.; Offermans, T.; Zhurminsky, I.; Ferrini, R. (2017)Printed photovoltaics promise lightweight and flexible light harvesting devices for conformal integration into buildings, portable electronics or vehicles. This is enabled by employing thin photoactive layers, which can ... -
Surface topology and functionality of freeform microlens arrays
Aderneuer, T.; Fernandez, O.; Karpik, A.; Werder, J.; Marhöfer, M.; Kristiansen, P. M.; Ferrini, R. (2021-02) -
Tunable filter using birefringent plasmonic structures and liquid crystals
Driencourt, L.; Kazazis, D.; Ekinci, Y.; Federspiel, F.; Frantz, R.; Ferrini, R.; Gallinet, B. (2019)An electrically tunable filter based on a plasmonic phase retarder and liquid crystal cells is reported. The plasmonic phase retarder consists of a periodic array of deep-subwavelength metallic nanostructures. A first ... -
Two-photon grayscale lithography for free-form micro-optical arrays
Aderneuer, T.; Fernández, O.; Ferrini, R. (2021-11)