Luneburg lens in silicon photonics A Di Falco, SC Kehr, U Leonhardt
Optics express 19 (6), 5156-5162, 2011
157 2011 Negative-frequency resonant radiation E Rubino, J McLenaghan, SC Kehr, F Belgiorno, D Townsend, S Rohr, ...
Physical Review Letters 108 (25), 253901, 2012
141 2012 Near-field examination of perovskite-based superlenses and superlens-enhanced probe-object coupling SC Kehr, YM Liu, LW Martin, P Yu, M Gajek, SY Yang, CH Yang, ...
Nature communications 2 (1), 249, 2011
119 2011 Anisotropy contrast in phonon-enhanced apertureless near-field microscopy using a free-electron laser SC Kehr, M Cebula, O Mieth, T Härtling, J Seidel, S Grafström, LM Eng, ...
Physical review letters 100 (25), 256403, 2008
100 2008 Narrow-band near-field nanoscopy in the spectral range from 1.3 to 8.5 THz F Kuschewski, HG von Ribbeck, J Döring, S Winnerl, LM Eng, SC Kehr
Applied Physics Letters 108 (11), 2016
76 2016 Plasmonic superlensing in doped GaAs M Fehrenbacher, S Winnerl, H Schneider, J Döring, SC Kehr, LM Eng, ...
Nano letters 15 (2), 1057-1061, 2015
68 2015 Nanoscale‐Confined Terahertz Polaritons in a van Der Waals Crystal TVAG de Oliveira, T Nörenberg, G Álvarez‐Pérez, L Wehmeier, ...
Advanced Materials 33 (2), 2005777, 2021
66 2021 Characteristics of ferroelectric-ferroelastic domains in Néel-type skyrmion host GaV4 S8 Á Butykai, S Bordács, I Kézsmárki, V Tsurkan, A Loidl, J Döring, E Neuber, ...
Scientific reports 7 (1), 44663, 2017
59 2017 Direct nanoscopic observation of plasma waves in the channel of a graphene field-effect transistor A Soltani, F Kuschewski, M Bonmann, A Generalov, A Vorobiev, F Ludwig, ...
Light: Science & Applications 9 (1), 97, 2020
42 2020 Impact of optical in-plane anisotropy on near-field phonon polariton spectroscopy S Schneider, J Seidel, S Grafström, LM Eng, S Winnerl, D Stehr, M Helm
Applied physics letters 90 (14), 2007
37 2007 Sub-diffractional cavity modes of terahertz hyperbolic phonon polaritons in tin oxide FH Feres, RA Mayer, L Wehmeier, FCB Maia, ER Viana, A Malachias, ...
Nature communications 12 (1), 1995, 2021
35 2021 Quantitative determination of the charge carrier concentration of ion implanted silicon by IR-near-field spectroscopy R Jacob, S Winnerl, H Schneider, M Helm, MT Wenzel, HG von Ribbeck, ...
Optics Express 18 (25), 26206-26213, 2010
33 2010 Gold nanoparticle tips for optical field confinement in infrared scattering near-field optical microscopy MT Wenzel, T Härtling, P Olk, SC Kehr, S Grafstræm, S Winnerl, M Helm, ...
Optics express 16 (16), 12302-12312, 2008
32 2008 Polarization-dependent near-field phonon nanoscopy of oxides: , and L Wehmeier, D Lang, Y Liu, X Zhang, S Winnerl, LM Eng, SC Kehr
Physical Review B 100 (3), 035444, 2019
29 2019 Phonon-induced near-field resonances in multiferroic BiFeO3 thin films at infrared and THz wavelengths L Wehmeier, T Nörenberg, TVAG de Oliveira, JM Klopf, SY Yang, ...
Applied Physics Letters 116 (7), 2020
26 2020 Infrared nanoscopy down to liquid helium temperatures D Lang, J Döring, T Nörenberg, Á Butykai, I Kézsmárki, H Schneider, ...
Review of Scientific Instruments 89 (3), 2018
25 2018 Low-temperature piezoresponse force microscopy on barium titanate J Döring, LM Eng, SC Kehr
Journal of Applied Physics 120 (8), 2016
22 2016 Near-field resonance shifts of ferroelectric barium titanate domains upon low-temperature phase transition J Döring, HG von Ribbeck, M Fehrenbacher, SC Kehr, LM Eng
Applied Physics Letters 105 (5), 2014
22 2014 FEL-based near-field infrared to THz nanoscopy SC Kehr, J Döring, M Gensch, M Helm, LM Eng
Synchrotron Radiation News 30 (4), 31-35, 2017
21 2017 Low-temperature nanospectroscopy of the structural ferroelectric phases in single-crystalline barium titanate J Döring, D Lang, L Wehmeier, F Kuschewski, T Nörenberg, SC Kehr, ...
Nanoscale 10 (37), 18074-18079, 2018
20 2018