Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Jonas Beermann"'
Autor:
Jonas Beermann, René L Eriksen, Thomas Søndergaard, Tobias Holmgaard, Kjeld Pedersen, Sergey I Bozhevolnyi
Publikováno v:
New Journal of Physics, Vol 15, Iss 7, p 073007 (2013)
We have recently reported broadband (450–850 nm) and efficient (96% on average) light absorption on gold surfaces with arrays of ultra-sharp convex grooves via excitation and subsequent adiabatic nanofocusing and absorption of gap surface plasmon m
Externí odkaz:
https://doaj.org/article/421cd836adf74310b417fe2630deb21b
Publikováno v:
Nano letters. 22(15)
Anapole states associated with the destructive interference between dipole and toroidal moments result in suppressed scattering accompanied by strongly enhanced near fields. In this work, we comprehensively examine the anapole state formation in meta
Publikováno v:
Heiden, J T, Ding, F, Linnet, J, Yang, Y, Beermann, J & Bozhevolnyi, S I 2019, ' Gap-surface plasmon metasurfaces for broadband circular-to-linear polarization conversion and vector vortex beam generation ', Advanced Optical Materials, vol. 7, no. 9, 1801414 . https://doi.org/10.1002/adom.201801414
The ability to control and manipulate the polarization state of light is of crucial importance in many modern optical applications ranging from quantum technologies to biomedical sciences. Here, an ultrathin quarter‐wave plate (QWP) with a gap‐su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::000d3669ca4d1ba36189bbc8cded2dab
https://findresearcher.sdu.dk:8443/ws/files/153582746/GSP_Metasurfaces_for_Vector_Vortex_Beam_Generation.pdf
https://findresearcher.sdu.dk:8443/ws/files/153582746/GSP_Metasurfaces_for_Vector_Vortex_Beam_Generation.pdf
Autor:
Sergey I. Bozhevolnyi, N. Asger Mortensen, Yiting Chen, Jonas Beermann, Yuanqing Yang, Alexander Roberts, Sergejs Boroviks, Sergiy M. Novikov
Publikováno v:
Roberts, A S, Novikov, S M, Yang, Y, Chen, Y, Boroviks, S, Beermann, J, Mortensen, N A & Bozhevolnyi, S I 2019, ' Laser Writing of Bright Colors on Near-Percolation Plasmonic Reflector Arrays ', A C S Nano, vol. 13, no. 1, pp. 71-77 . https://doi.org/10.1021/acsnano.8b07541
Colouration by surface nanostructuring has attracted a great deal of attention by the virtue of making use of environment-friendly recyclable materials and generating non-bleaching colours [1-8]. Recently, it was found possible to delegate the task o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2762498d16bf066d6606d3447bd71522
Autor:
Mathias Geisler, Sanshui Xiao, Sergey I. Bozhevolnyi, Sergey M. Novikov, Jonas Beermann, Andrei V. Lavrinenko, N. Asger Mortensen, Christian Frydendahl, Taavi Repän, Nicolas Stenger
Publikováno v:
Frydendahl, C, Repän, T, Geisler, M, Novikov, S M, Beermann, J, Lavrinenko, A, Xiao, S, Bozhevolnyi, S I, Mortensen, N A & Stenger, N 2017, ' Optical reconfiguration and polarization control in semicontinuous gold films close to the percolation threshold ', 8th International Conference on Surface Plasmon Photonics, Taipei, Taiwan, Province of China, 22/05/2017-26/05/2017 .
Beermann, J, Novikov, S M, Bozhevolnyi, S I, Mortensen, N A, Frydendahl, C, Repän, T, Geisler, M, Lavrinenko, A V, Xiao, S & Stenger, N 2017, ' Optical reconfiguration and polarization control in semi-continuous gold films close to the percolation threshold ', Nanoscale, vol. 9, no. 33, pp. 12014-12024 . https://doi.org/10.1039/c7nr03378h
Technical University of Denmark Orbit
Frydendahl, C, Repän, T, Geisler, M, Novikov, S M, Beermann, J, Lavrinenko, A, Xiao, S, Bozhevolnyi, S I, Mortensen, N A & Stenger, N 2017, ' Optical reconfiguration and polarization control in semi-continuous gold films close to the percolation threshold ', Nanoscale, vol. 9, no. 33, pp. 12014-12024 . https://doi.org/10.1039/c7nr03378h
Beermann, J, Novikov, S M, Bozhevolnyi, S I, Mortensen, N A, Frydendahl, C, Repän, T, Geisler, M, Lavrinenko, A V, Xiao, S & Stenger, N 2017, ' Optical reconfiguration and polarization control in semi-continuous gold films close to the percolation threshold ', Nanoscale, vol. 9, no. 33, pp. 12014-12024 . https://doi.org/10.1039/c7nr03378h
Technical University of Denmark Orbit
Frydendahl, C, Repän, T, Geisler, M, Novikov, S M, Beermann, J, Lavrinenko, A, Xiao, S, Bozhevolnyi, S I, Mortensen, N A & Stenger, N 2017, ' Optical reconfiguration and polarization control in semi-continuous gold films close to the percolation threshold ', Nanoscale, vol. 9, no. 33, pp. 12014-12024 . https://doi.org/10.1039/c7nr03378h
Controlling and confining light by exciting plasmons in resonant metallic nanostructures is an essential aspect of many new emerging optical technologies. Here we explore the possibility of controllably reconfiguring the intrinsic optical properties
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::093e6bfd4d8399b2f7304182e68a826e
https://orbit.dtu.dk/en/publications/2492b862-53f6-40b5-8c7f-e6a59015b8e7
https://orbit.dtu.dk/en/publications/2492b862-53f6-40b5-8c7f-e6a59015b8e7
Autor:
Muhammad Hanif, Per Morgen, Jacek Fiutowski, Jonas Beermann, Sergey M. Novikov, Sergey I. Bozhevolnyi, Andrey B. Evlyukhin, Horst-Günter Rubahn, Vladimir Popok
Publikováno v:
Novikov, S M, Popok, V N, Evlyukhin, A B, Hanif, M, Morgen, P, Fiutowski, J, Beermann, J, Rubahn, H G & Bozhevolnyi, S I 2017, ' Highly Stable Monocrystalline Silver Clusters for Plasmonic Applications ', Langmuir, vol. 33, no. 24, pp. 6062-6070 . https://doi.org/10.1021/acs.langmuir.7b00772
Novikov, S M, Popok, V N, Evlyukhin, A B, Muhammad, H, Morgen, P, Fiutowski, J, Beermann, J, Rubahn, H-G & Bozhevolnyi, S I 2017, ' Highly Stable Monocrystalline Silver Clusters for Plasmonic Applications ', Langmuir, vol. 33, no. 24, pp. 6062-6070 . https://doi.org/10.1021/acs.langmuir.7b00772
Novikov, S, Popok, V, Evlyukhin, A V, Muhammad, H, Morgen, P, Fiutowski, J, Beermann, J, Rubahn, H-G & Bozhevolnyi, S 2017, ' Highly Stable Monocrystalline Silver Clusters for Plasmonic Applications ', Langmuir, vol. 33, no. 24, pp. 6062-6070 . https://doi.org/10.1021/acs.langmuir.7b00772
Novikov, S M, Popok, V N, Evlyukhin, A B, Muhammad, H, Morgen, P, Fiutowski, J, Beermann, J, Rubahn, H-G & Bozhevolnyi, S I 2017, ' Highly Stable Monocrystalline Silver Clusters for Plasmonic Applications ', Langmuir, vol. 33, no. 24, pp. 6062-6070 . https://doi.org/10.1021/acs.langmuir.7b00772
Novikov, S, Popok, V, Evlyukhin, A V, Muhammad, H, Morgen, P, Fiutowski, J, Beermann, J, Rubahn, H-G & Bozhevolnyi, S 2017, ' Highly Stable Monocrystalline Silver Clusters for Plasmonic Applications ', Langmuir, vol. 33, no. 24, pp. 6062-6070 . https://doi.org/10.1021/acs.langmuir.7b00772
Plasmonic sensor configurations utilizing localized plasmon resonances in silver nanostructures typically suffer from the rapid degradation of silver under ambient atmospheric conditions. In this work, we report on the fabrication and detailed charac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bf5eabdbc6b6f4bf941a2f5d8cf0ba6
https://portal.findresearcher.sdu.dk/da/publications/6d93d9fc-f931-48b3-921d-a657e57981d7
https://portal.findresearcher.sdu.dk/da/publications/6d93d9fc-f931-48b3-921d-a657e57981d7
Autor:
Nicolas Stenger, Vladimir A. Zenin, Sergey M. Novikov, Sergey I. Bozhevolnyi, Jonas Beermann, N. Asger Mortensen, Christian Frydendahl, Victor Coello
Publikováno v:
Novikov, S M, Frydendahl, C, Beermann, J, Zenin, V A, Stenger, N, Coello, V, Mortensen, N A & Bozhevolnyi, S I 2017, ' White Light Generation and Anisotropic Damage in Gold Films near Percolation Threshold ', A C S Photonics, vol. 4, no. 5, pp. 1207-1215 . https://doi.org/10.1021/acsphotonics.7b00107
Novikov, S M, Frydendahl, C, Beermann, J, Zenin, V, Stenger, N, Coello, V, Mortensen, N A & Bozhevolnyi, S I 2017, ' White Light Generation and Anisotropic Damage in Gold Films near Percolation Threshold ', ACS Photonics, vol. 4, no. 5, pp. 1207-1215 . https://doi.org/10.1021/acsphotonics.7b00107
Novikov, S M, Frydendahl, C, Beermann, J, Zenin, V, Stenger, N, Coello, V, Mortensen, N A & Bozhevolnyi, S I 2017, ' White Light Generation and Anisotropic Damage in Gold Films near Percolation Threshold ', ACS Photonics, vol. 4, no. 5, pp. 1207-1215 . https://doi.org/10.1021/acsphotonics.7b00107
Strongly enhanced and confined electromagnetic fields generated in metal nanostructures upon illumination are exploited in many emerging technologies by either fabricating sophisticated nanostructures or synthesizing colloid nanoparticles. Here we st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c5ef945774142958baaed1941918313
https://orbit.dtu.dk/en/publications/11d02ab1-b9d6-4f8d-9461-18609b7dae08
https://orbit.dtu.dk/en/publications/11d02ab1-b9d6-4f8d-9461-18609b7dae08
Autor:
Nicolas Stenger, Sergey I. Bozhevolnyi, Sergey M. Novikov, Andrei V. Lavrinenko, Taavi Repän, Morten Willatzen, Christian Frydendahl, N. Asger Mortensen, Jonas Beermann
Publikováno v:
Repän, T, Frydendahl, C, Novikov, S M, Beermann, J, Bozhevolnyi, S I, Mortensen, N A, Stenger, N, Willatzen, M & Lavrinenko, A 2017, Numerical simulations of nanostructured gold films . in Proceedings of 17th International Conference on Numerical Simulation of Optoelectronic Devices . IEEE, pp. 5-6, 17th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD17), Kgs. Lyngby, Denmark, 24/07/2017 .
Repan, T, Frydendahl, C, Novikov, S M, Beermann, J, Bozhevolnyi, S I, Mortensen, N A, Stenger, N, Willatzen, M & Lavrinenko, A 2017, Numerical simulations of nanostructured gold films . in Proceedings of the 17th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2017 ., 8009963, IEEE, pp. 5-6, 17th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2017, Copenhagen, Denmark, 24/07/2017 . https://doi.org/10.1109/NUSOD.2017.8009963
Technical University of Denmark Orbit
Repan, T, Frydendahl, C, Novikov, S M, Beermann, J, Bozhevolnyi, S I, Mortensen, N A, Stenger, N, Willatzen, M & Lavrinenko, A 2017, Numerical simulations of nanostructured gold films . in Proceedings of the 17th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2017 ., 8009963, IEEE, pp. 5-6, 17th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2017, Copenhagen, Denmark, 24/07/2017 . https://doi.org/10.1109/NUSOD.2017.8009963
Technical University of Denmark Orbit
We present an approach to analyse near-field effects on nanostructured gold films by finite element simulations. The studied samples are formed by fabricating gold films near thepercolation threshold and then applying laser damage. Resulting samples
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::632faa233faf5c8e64b1ee25eb6a4a47
https://orbit.dtu.dk/en/publications/f15db76e-4c1b-44f3-a06a-a6d7deb746b1
https://orbit.dtu.dk/en/publications/f15db76e-4c1b-44f3-a06a-a6d7deb746b1
Publikováno v:
Advanced Optical Materials. 7:1970033
Autor:
Sergey I. Bozhevolnyi, Christian Frydendahl, Victor Coello, Nicolas Stenger, Sergey M. Novikov, N. Asger Mortensen, Jonas Beermann
Publikováno v:
Novikov, S M, Beermann, J, Frydendahl, C, Stenger, N, Coello, V, Mortensen, N A & Bozhevolnyi, S I 2016, ' Enhancement of two-photon photoluminescence and SERS for low-coverage gold films ', Optics Express, vol. 24, no. 15, pp. 16743-16751 . https://doi.org/10.1364/OE.24.016743
Electromagnetic field enhancement (FE) effects occurring in thin gold films 3-12-nm are investigated with two-photon photoluminescence (TPL) and Raman scanning optical microscopies. The samples are characterized using scanning electron microscopy ima