Campanile Near-Field Probes Fabricated by Nanoimprint Lithography on the Facet of an Optical Fiber
Abstract One of the major challenges to the widespread adoption of plasmonic and nano-optical devices in real-life applications is the difficulty to mass-fabricate nano-optical antennas in parallel and reproducible fashion, and the capability to precisely place nanoantennas into devices with nanomet...
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Nature Portfolio
2017
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oai:doaj.org-article:e551d7bb85364a4490eb7ebb6553bbd22021-12-02T15:04:59ZCampanile Near-Field Probes Fabricated by Nanoimprint Lithography on the Facet of an Optical Fiber10.1038/s41598-017-01871-52045-2322https://doaj.org/article/e551d7bb85364a4490eb7ebb6553bbd22017-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-01871-5https://doaj.org/toc/2045-2322Abstract One of the major challenges to the widespread adoption of plasmonic and nano-optical devices in real-life applications is the difficulty to mass-fabricate nano-optical antennas in parallel and reproducible fashion, and the capability to precisely place nanoantennas into devices with nanometer-scale precision. In this study, we present a solution to this challenge using the state-of-the-art ultraviolet nanoimprint lithography (UV-NIL) to fabricate functional optical transformers onto the core of an optical fiber in a single step, mimicking the ‘campanile’ near-field probes. Imprinted probes were fabricated using a custom-built imprinter tool with co-axial alignment capability with sub <100 nm position accuracy, followed by a metallization step. Scanning electron micrographs confirm high imprint fidelity and precision with a thin residual layer to facilitate efficient optical coupling between the fiber and the imprinted optical transformer. The imprinted optical transformer probe was used in an actual NSOM measurement performing hyperspectral photoluminescence mapping of standard fluorescent beads. The calibration scans confirmed that imprinted probes enable sub-diffraction limited imaging with a spatial resolution consistent with the gap size. This novel nano-fabrication approach promises a low-cost, high-throughput, and reproducible manufacturing of advanced nano-optical devices.Giuseppe CalafioreAlexander KoshelevThomas P. DarlingtonNicholas J. BorysMauro MelliAleksandr PolyakovGiuseppe CantarellaFrances I. AllenPaul LumEd WongSimone SassoliniAlexander Weber-BargioniP. James SchuckStefano CabriniKeiko MunechikaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-7 (2017) |
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Medicine R Science Q |
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Medicine R Science Q Giuseppe Calafiore Alexander Koshelev Thomas P. Darlington Nicholas J. Borys Mauro Melli Aleksandr Polyakov Giuseppe Cantarella Frances I. Allen Paul Lum Ed Wong Simone Sassolini Alexander Weber-Bargioni P. James Schuck Stefano Cabrini Keiko Munechika Campanile Near-Field Probes Fabricated by Nanoimprint Lithography on the Facet of an Optical Fiber |
| description |
Abstract One of the major challenges to the widespread adoption of plasmonic and nano-optical devices in real-life applications is the difficulty to mass-fabricate nano-optical antennas in parallel and reproducible fashion, and the capability to precisely place nanoantennas into devices with nanometer-scale precision. In this study, we present a solution to this challenge using the state-of-the-art ultraviolet nanoimprint lithography (UV-NIL) to fabricate functional optical transformers onto the core of an optical fiber in a single step, mimicking the ‘campanile’ near-field probes. Imprinted probes were fabricated using a custom-built imprinter tool with co-axial alignment capability with sub <100 nm position accuracy, followed by a metallization step. Scanning electron micrographs confirm high imprint fidelity and precision with a thin residual layer to facilitate efficient optical coupling between the fiber and the imprinted optical transformer. The imprinted optical transformer probe was used in an actual NSOM measurement performing hyperspectral photoluminescence mapping of standard fluorescent beads. The calibration scans confirmed that imprinted probes enable sub-diffraction limited imaging with a spatial resolution consistent with the gap size. This novel nano-fabrication approach promises a low-cost, high-throughput, and reproducible manufacturing of advanced nano-optical devices. |
| format |
article |
| author |
Giuseppe Calafiore Alexander Koshelev Thomas P. Darlington Nicholas J. Borys Mauro Melli Aleksandr Polyakov Giuseppe Cantarella Frances I. Allen Paul Lum Ed Wong Simone Sassolini Alexander Weber-Bargioni P. James Schuck Stefano Cabrini Keiko Munechika |
| author_facet |
Giuseppe Calafiore Alexander Koshelev Thomas P. Darlington Nicholas J. Borys Mauro Melli Aleksandr Polyakov Giuseppe Cantarella Frances I. Allen Paul Lum Ed Wong Simone Sassolini Alexander Weber-Bargioni P. James Schuck Stefano Cabrini Keiko Munechika |
| author_sort |
Giuseppe Calafiore |
| title |
Campanile Near-Field Probes Fabricated by Nanoimprint Lithography on the Facet of an Optical Fiber |
| title_short |
Campanile Near-Field Probes Fabricated by Nanoimprint Lithography on the Facet of an Optical Fiber |
| title_full |
Campanile Near-Field Probes Fabricated by Nanoimprint Lithography on the Facet of an Optical Fiber |
| title_fullStr |
Campanile Near-Field Probes Fabricated by Nanoimprint Lithography on the Facet of an Optical Fiber |
| title_full_unstemmed |
Campanile Near-Field Probes Fabricated by Nanoimprint Lithography on the Facet of an Optical Fiber |
| title_sort |
campanile near-field probes fabricated by nanoimprint lithography on the facet of an optical fiber |
| publisher |
Nature Portfolio |
| publishDate |
2017 |
| url |
https://doaj.org/article/e551d7bb85364a4490eb7ebb6553bbd2 |
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