Conference Contributions
Table of contents
2024
- A.S. Senarath, K. Diaz-Granados, M. Obst, F. Kaps, J. Wetzel, R. BIyer, G. Carini, G. Álvarez-Pérez, R. Kowalski, R. Niemann, S. Dixit, N. Mueller, M. Pradhan, H. Zandipour, T. Anderson, A. Jacobs, R. Kaplar, M. Wortel, M.A. Ebrish, J.M. Klopf, L.M. Eng, S.C. Kehr, A. Paarmann, R.D. Schrimpf, T.G. Folland, and J.D. Caldwell.
"Carrier Distribution and Defect Investigation of Wide Bandgap Semiconductors using Scattering-Type Scanning Near-field Optical Microscope".
20th International Conference on Defects Recognition, Imaging and Physics in Semiconductors - DRIP-XX 2024, August 18th-22nd 2024, Stony Brook, NY, USA. - R. Buschbeck, N. Fugal, L. König, F. Hempel, C. Lee, C. Canalias, M. Rüsing, S.C. Kehr, and L.M. Eng.
"Polarization-sensitive B-CARS hyperspectral imaging of ferroelectric domain walls".
28th International Conference on Raman Spectroscopy (ICORS 2024), July 28th - August 2nd 2024, Rome, Italy. - L.M. Eng.
"THz Twistoptics - Engineering Phonon Polaritons".
International Workshop Electrons, Photons and Plasmons (EPP 2024), June 10th-12th 2024, Nyon, Switzerland. (invited talk) - R. Kowalski, G. Alvarez-Perez, N.S. Müller, M. Obst, G. Carini, S. Dixit, K. Diaz-Granados, A.S. Senarath, L.M. Eng, M. Wolf, T.G. Folland, P. Alonso-Gonzalez, S.C. Kehr, A. Paarmann, and J.D. Caldwell.
"Ultra-confined THz hyperbolic phonon polaritons in HfSe2",
DPG-Frühjahrstagung der Sektion Kondensierte Materie (DPG-SKM-2024), March 17th - 22nd 2024, Berlin, Germany. - L. Brenneis, F.G. Kaps, M. Hensen, P. Grimm, P. Kessler, T. Helbig, T. Hofmann, T. Feichtner, M. Emmerling, S.C. Kehr, T. Brixner, R. Thomale, L.M. Eng, and B. Hecht.
"Nanoscale Plasmonic Su-Schrieffer-Heeger Chains",
DPG-Frühjahrstagung der Sektion Kondensierte Materie (DPG-SKM-2024), March 17th - 22nd 2024, Berlin, Germany.
2023
- F.H. Feres, I.D. Barcelos, A.R. Cadore, L. Wehmeier, T. Nörenberg, R. A. Mayer, R.O. Freitas, L.M. Eng, S.C. Kehr, and F. C. B. Maia.
"Graphene as a gate-tunable window for near-field imaging in the terahertz".
XXI B-MRS Meeting 2023, October 1st-5th 2023, Maceio, Brazil. (received the Bernard Gross Award und dem ACS Award for best oral presentations) - A. Luferau, M. Obst, S. Winnerl, S.C. Kehr, E. Dimakis, A. Pashkin, F. Kaps, L.M. Eng, and M. Helm.
"Time-resolved s-SNOM on single GaAs-InGaAs nanowires".
39th International Symposium on Dynamical Properties of Solids (DyProSo-2023), September 25th-29th 2023, Dresden, Germany. - J. Wetzel, M. Obst, S.C. Kehr, and L.M. Eng.
"Exfoliation of 2D Materials for NanoOptics".
39th International Symposium on Dynamical Properties of Solids (DyProSo-2023), September 25th-29th 2023, Dresden, Germany. - M. Obst, T. Nörenberg, T.V.A.G. de Oliveira, S.C. Kehr, and L.M. Eng.
"Terahertz Twistoptics – engineering canalized phonon polaritons".
39th International Symposium on Dynamical Properties of Solids (DyProSo-2023), September 25th-29th 2023, Dresden, Germany. - O. Hatem, T.V.A.G. de Oliveira, F.G. Kaps, M. Obst, A. Luferau, S.C. Kehr, and L.M. Eng.
"Far-field and near-field spectroscopy techniques in the IR, MIR, and THz frequency regimes".
39th International Symposium on Dynamical Properties of Solids (DyProSo-2023), September 25th-29th 2023, Dresden, Germany. - A. Turchanin, S.C. Kehr, T. Nörenberg, Z. Gan, A. George, A. Turchanin, and L.M. Eng.
"Nanoscopic Investigation of the Monolayer MoSe2 -WSe2 Lateral Heterostructures under Illumination".
39th International Symposium on Dynamical Properties of Solids (DyProSo-2023), September 25th-29th 2023, Dresden, Germany. - A. Luferau, M. Obst, S. Winnerl, S. C. Kehr, E. Dimakis, A. Pashkin, F. Kaps, L. M. Eng, and M. Helm.
"THz-pump / MIR-probe Nanospectroscopy On Si-doped GaAs-InGaAs Core-shell Nanowires".
48th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz 2023), September 17th-22nd 2023, Montreal, Canada. - S.C. Kehr.
"Near-field probing of phonon polaritons within the THz gap".
Nanophotonics of 2D materials (N2D 2023), June 19th-22nd 2023, San Sebastián, Spain. (invited talk) - F.G. Kaps, S.C. Kehr, and L.M. Eng.
"Polarization-sensitive scanning near-field optical microscopy",
DPG-Frühjahrstagung der Sektion Kondensierte Materie (DPG-SKM-2023), March 26th-31st 2023, Dresden, Germany. - O. Hatem, T.V.A.G. de Oliveira, S.C. Kehr, and L.M. Eng.
"Ultrafast Terahertz-Wave Emission from Photoconductive Antenna Arrays and Spin Emitters",
DPG-Frühjahrstagung der Sektion Kondensierte Materie (DPG-SKM-2023), March 26th-31st 2023, Dresden, Germany. - A. Luferau, M. Obst, S. Kehr, L. Eng, S. Winnerl, A. Pashkin, E. Dimakis, and M. Helm.
"Time-resolved nanospectroscopy on Si-doped GaAs-InGaAs core-shell nanowires",DPG-Frühjahrstagung der Sektion Kondensierte Materie (DPG-SKM-2023), March 26th-31st 2023, Dresden, Germany. - S. Gharat, S. Kehr, M. Rüsing, and L.M. Eng.
"Comparison of Infrared and Raman active phonon modes in Lithium Niobate",DPG-Frühjahrstagung der Sektion Kondensierte Materie (DPG-SKM-2023), March 26th-31st 2023, Dresden, Germany. - M. Obst, T. Nörenberg, G. Álvarez-Pèrez, T.V.A.G. de Oliveira, A. Nikitin, P. Alonso-Gonzá́lez, J.M. Klopf, S.C. Kehr, and L.M. Eng.
"THz-Light Canalization by means of Phonon Polaritons in 2D van der Waals Materials",
DPG-Frühjahrstagung der Sektion Kondensierte Materie (DPG-SKM-2023), March 26th-31st 2023, Dresden, Germany. - B. Schurr, P. Grimm, T. Helbig, T. Hofmann, L. Wehmeier, F.G. Kaps, T. Feichtner, M. Emmerling, S.C. Kehr, L. Eng, R. Thomale, and B. Hecht.
"Nano-scale Plasmonic Su-Schrieffer-Heeger Chains",
DPG-Frühjahrstagung der Sektion Kondensierte Materie (DPG-SKM-2023), March 26th-31st 2023, Dresden, Germany. - A. Turchanin, T. Nörenberg, Z. Gan, A. George, A. Turchanin, S.C. Kehr, and L.M. Eng.
"Nanoscopic Investigation of the Monolayer MoSe2-WSe2 Lateral Heterostructures under Illumination",
DPG-Frühjahrstagung der Sektion Kondensierte Materie (DPG-SKM-2023), March 26th-31st 2023, Dresden, Germany. - J. Wetzel, M. Obst, S.C. Kehr, and L.M. Eng.
"Exfoliation of 2D materials for nanooptics",
DPG-Frühjahrstagung der Sektion Kondensierte Materie (DPG-SKM-2023), March 26th-31st 2023, Dresden, Germany.
2022
- M. Obst, T. Nörenberg, G. Álvarez-Pèrez, P. Alonso-González, A. Nikitin, T.V.A.G. de Oliveira, F. H. Feres, F.C.B. Maia, R.O. Freitas, J.M. Klopf, S.C. Kehr, and L.M. Eng.
"Confined phonon polaritons in van der Waals crystals studied by THz/IR s-SNOM at FELBE".
11th International Workshop on Infrared Microscopy and Spectroscopy with Accelerator Based Sources (WIRMS-2022), October 6th-10th 2022, Hybrid, Online/Hiroshima, Japan. (invited talk) - A. Luferau, M. Obst, S. Winnerl, S.C: Kehr, E. Dimakis, A. Pashkin, L.M. Eng, and M. Helm.
„Time-resolved nanospectroscopy on Si-doped GaAs-InGaAs core-shell nanowires.“
Optical Terahertz Science and Technology (OTST-2022), June 22nd 2022, Budapest. - S.C. Kehr, M. Obst, T. Nörenberg, F. Kaps, S. Gharat, L.M. Eng, T.V.A.G. de Oliveira, A. Luferau, S. Winnerl, J.M. Klopf, and M. Helm.
“Infrared and THz near-field microscopy at FELBE – instrumental and scientific update”
FELBE/TELBE User Workshop, September 12th-14th 2022, Dresden. (invited talk) - M. Obst, T. Nörenberg, G. Álvarez-Pèrez, P. Alonso-González, A. Nikitin, T.V.A.G. de Oliveira, J.M. Klopf, S.C. Kehr, and L.M. Eng.
“THz-Light Canalization by Phonon Polaritons in 2D van der Waals Materials.”
The 16th International Conference on Near-Field Optics, Nanophotonics & Related Technique (NFO-16), August 29th – September 2nd 2022, Victoria, Canada. - F.G. Kaps, H. Aminpour, S.C. Kehr, and L.M. Eng.
“Polarization-sensitive near-field optical microscopy in the mid-infrared wavelength regime.”
The 16th International Conference on Near-Field Optics, Nanophotonics & Related Technique (NFO-16), August 29th – September 2nd 2022, Victoria, Canada. - L.M. Eng, S.C: Kehr, T. Nörenberg, J. Döring, L. Wehmeier, D. Lang, J.M. Klopf, S. Winnerl, and M. Helm.
„In-situ Kelvin-Probe Force Microscopy 4 s-SNOM – just fancy or really needed ?“
2nd International Nanoscale Analytics Workshop (Neaspec-2022), Mai 18th-21st 2022, München. (invited talk) - A. Luferau, M. Obst, S. Winnerl, S.C. Kehr, E. Dimakis, A. Pashkin, J.M. Klopf, L.M. Eng, and M. Helm.
„Time-resolved nanospectroscopy on Si-doped GaAs-InGaAs core-shell nanowires.“
2nd International Nanoscale Analytics Workshop (Neaspec-2022), Mai 18th-21st 2022, München. (invited talk) - S.C. Kehr, H. Amin Pour, F.G. Kaps, L. Wehmeier, and L.M. Eng.
“Polarization-sensitive mid-IR-to-THz probing down to the 1-nm-length scale.”
CLEO Laser Science to Photonic Applications (CLEO-2022), Mai 15th-20th 2022, Hybrid/San Jose, CA, USA. (invited talk)
2021
- T. Nörenberg, L. Wehmeier, M. Obst, F. Hempel, S.C. Kehr, L.M. Eng, G. Álvarez-Pèrez, P. Alonso-González, A. Nikitin, J.M. Klopf, and T.V.A.G. de Oliveira.
"Germanium Monosulfide: A Natural Platform for Highly Anisotropic THz Polaritons".
Nanophotonics of 2D materials (N2D-2021), November 7th-13th 2021, Hybrid, Online/Benasque, Spain. (Presenting Author: M. Obst) - S.C. Kehr, T.V.A.G. de Oliveira, T. Nörenberg, M. Obst, K. Wehmeier, H. Aminpour, F.G. Kaps, and L.M. Eng.
"Probing IR-to-THz Anisotropic Dispersion at Nanometer Length Scales."
ct.qmat Cluster Retreat 2021 (ct.qmat-2021), March 10th-11th, 2021, Online, Germany. - M. Obst, T.V.A.G. de Oliveira, T. Nörenberg, S.C. Kehr, and L.M. Eng.
"SNOM-examination of THz polaritons in the van der Waals crystal 𝛼-MoO3."
ct.qmat Cluster Retreat 2021 (ct.qmat-2021), March 10th-11th, 2021, Online, Germany. - L. Wehmeier.
Panel member in the Paper discussion on "Broad spectral tuning of ultra-loww-loss polaritons in a van der Waals crystal by intercalation", Nat. Mater. 19, 964 (2020) by Pablo Alonso-González.
Virtual DPG-Frühjahrstagung of the Surface Science Division (DPG-O-2021), March 1st-4th, 2021, online, Germany. - L. Wehmeier, F. Kaps, T. Nörenberg, T.V.A.G. de Oliveira, H. Aminpour, H. Addoushy, A.S. Lotfy, J.M. Klopf, L.M. Eng, and S.C. Kehr.
"The Role of Polarization and Anisotropy in Resonant Infrared-to-THz s-SNOM",
Virtual DPG-Frühjahrstagung of the Surface Science Division (DPG-O-2021), March 1st-4th, 2021, online, Germany. - F. Kaps, H. Aminpour, L. Wehmeier, S.C. Kehr, and L.M. Eng.
"The Role of Polarization in Resonant s-SNOM",
Virtual DPG-Frühjahrstagung of the Surface Science Division (DPG-O-2021), March 1st-4th, 2021, online, Germany. - M. Obst, T.V.A.G. de Oliveira, T. Nörenberg, S.C. Kehr, and L.M. Eng.
"SNOM-examination of THz polaritons in the van der Waals crystal 𝛼-MoO3."
Virtual DPG-Frühjahrstagung of the Surface Science Division (DPG-O-2021), March 1st-4th, 2021, online, Germany.
2020
- T.V.A.G. de Oliveira, T. Nörenberg, G. Álvarez-Pérez, J. Taboada-Gutiérrez, L. Wehmeier, M. Obst, F. Hempel, E.J.H. Lee, J.M. Klopf, I. Errea, A.Y. Nikitin, S.C. Kehr, P. Alonso-Gonzaléz, and L.M. Eng.
"Nanoscale-confined and low-loss terahertz phonon polaritons in a hyperbolic vand er Waals crystal."
The 16th International Conference on Near-Field Optics, Nanophotonics & Related Technique - virtual event (NFO-16 online event), August 17th-21st, 2020, Victoria, Canada. - L. Wehmeier, T. Nörenberg, T.V.A.G. de Oliveira, J.M. Klopf, L.M. Eng, and S.C. Kehr.
"Phonon-induced near-field resonances at IR and THz wavelengths."
The 16th International Conference on Near-Field Optics, Nanophotonics & Related Technique - virtual event (NFO-16 online event), August 17th-21st, 2020, Victoria, Canada. - T.V.A.G. de Oliveira, T. Nörenberg, G. Álvarez-Pérez, J. Taboada-Gutiérrez, L. Wehmeier, M. Obst, F. Hempel, E.J.H. Lee, J.M. Klopf, I. Errea, A.Y. Nikitin, S.C. Kehr, P. Alonso-Gonzaléz, and L.M. Eng.
"Nanoscale-confined and low-loss terahertz phonon polaritons in a hyperbolic van der Waals crystal."
Nanophotonics of 2D Materials (N2D 2020 online event), July 13th-16th, 2020, Donostia, Spain.
2019
- L. Wehmeier, S.C. Kehr, T. Nörenberg, F. Kuschewski, Th. de Oliveira, J.M. Klopf, S. Winnerl, S. Kovalev, M. Gensch, M. Helm, and L.M. Eng.
"Near-field nanoscopy with infrared-to-THz accelerator-based photon sources."
10th International Workshop on Infrared Microscopy and Spectroscopy with Accelerator Based Sources (WIRMS-2019), September 23rd-27th 2019, Campinas & Ubatuba, Brazil. (invited) - H. Aminpour, J.M. Klopf, L.M. Eng, and S.C. Kehr.
"In-plane polarization in scattering near-field optical microscopy at polaritonic resonances."
The 9th International Conference on Surface Plasmon Photonics (SPP-9), May 26th-31st 2019, Copenhagen, Denmark. - T. Nörenberg, S.C. Kehr, and L.M. Eng.
"Avoiding artifacts in scanning near-field optical microscopy through simultaneous Kelvin probe force microscopy."
The 9th International Conference on Surface Plasmon Photonics (SPP-9), May 26th-31st 2019, Copenhagen, Denmark. - L. Wehmeier, T. Nörenberg, D. Lang, L.M. Eng, and S.C. Kehr.
"Polarization-dependent resonant near-field spectroscopy at mid- to far-infrared wavelengths."
The 9th International Conference on Surface Plasmon Photonics (SPP-9), May 26th-31st 2019, Copenhagen, Denmark. - S.C. Kehr, L. Wehmeier, F. Kuschewski, T. Nörenberg, T. de Oliveira, D. Lang, H. Schneider, S. Winnerl, M. Helm, J.M. Klopf, S. Kovalev, M. Gensch und L.M. Eng.
"Near-field nanoscopy at ELBE."
FELBE/TELBE User Workshop, May 13th-15th 2019, Dresden. (invited talk) - J.M. Klopf, P. Evtushenko, M. Helm, S.C. Kehr, U. Lehnert, P. Michel, A. Pashkin, H. Schneider, W. Seidel, St. Winnerl, and S. Zvyagin.
"The FELBE THz/IR FEL Facility: Overview of the Machine Performance and User Activities."
French-German Terahertz Conference (FGTC-2019), April 2nd-5th 2019, Kaiserslautern, Germany. - F. Kuschewski, A. Soltani, M. Bonmann, A. Generalov, A. Vorobiev, F. Ludwig, M. Wiecha, D. Čibiraitė, F. Walla, S.C. Kehr, L.M. Eng, J. Stake, and H.G. Roskos.
"Direct proof of the Dyakonov-Shur postulate – nanoscopic observation of charge density waves in the channel of a graphene field-effect transistor."
French-German Terahertz Conference (FGTC-2019), April 2nd-5th 2019, Kaiserslautern, Germany. - L. Wehmeier, T. Nörenberg, D. Lang, S.C. Kehr, and L.M. Eng.
"Polarization-dependent resonant near-field spectroscopy in the mid- to far-infrared regime."
Annual Meeting of the Deutsche Physikalische Gesellschaft - spring meeting of the Division Condensed Matter (DPG-2019), March 31st-April 5th 2019, Regensburg, Germany. - H. Aminpour, S.C. Kehr, J.M. Klopf, and L.M. Eng.
"Polarization in scattering near-field optical microscopy at resonant excitation."
Annual Meeting of the Deutsche Physikalische Gesellschaft - spring meeting of the Division Condensed Matter (DPG-2019), March 31st-April 5th 2019, Regensburg, Germany.
2018
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S.C. Kehr, J. Döring, L. Wehmeier, S. Winnerl, M. Helm, and L.M. Eng.
"Polarization-sensitive near-field optical microscopy close to mid-infrared phonon modes."
The 15th International Conference on Near-Field Optics, Nanophotonics & Related Technique (NFO-15), August 26th-31st 2018, Troyes, France. -
T. Nörenberg, J. Döring, D. Lang, S.C. Kehr, E. Neuber, P. Milde, and L.M. Eng.
"Low-temperature scattering scanning near-field optical microscopy."
The 15th International Conference on Near-Field Optics, Nanophotonics & Related Technique (NFO-15), August 26th-31st 2018, Troyes, France. -
T.V.A.G. de Oliveira, F. Kuschewski, S. Kovalev, N. Awari, B. Green, S.C. Kehr, M. Gensch, and L.M. Eng.
"Nanoscale THz time-domain-spectroscopy at 100 kHz repetition rate."
The 15th International Conference on Near-Field Optics, Nanophotonics & Related Technique (NFO-15), August 26th-31st 2018, Troyes, France. -
L. Wehmeier, J. Doering, S. Winnerl, S.C. Kehr, and L.M. Eng.
"Tunability of ferroelectric superlenses in the mid-infrared regime."
The 15th International Conference on Near-Field Optics, Nanophotonics & Related Technique (NFO-15), August 26th-31st 2018, Troyes, France. -
F. Kuschewski, T. de Oliveira, S.C. Kehr, H.-G. v. Ribbeck, J. Döring, S. Winnerl, N. Awari, S. Kovalev, M. Gensch, and L.M. Eng.
"Near-field infrared nanospectroscopy in the low-THz regime enabled by accelerator-based and table-top laser sources."
The 15th International Conference on Near-Field Optics, Nanophotonics & Related Technique (NFO-15), August 26th-31st 2018, Troyes, France. -
T.V.A.G. de Oliveira.
"TELBE-nearfield microscope endstation: status & developments."
2018 Joint FLASH/TELBE THz user meeting, July 20th 2018, Hamburg, Germany. -
J.M. Klopf, M. Helm, S.C. Kehr, U. Lehnert, P. Michel, A. Pashkin, H. Schneider, W. Seidel, S. Winnerl, and S. Zvyagin.
"Status of the FELBE THz/IR FEL Facility: Overview of the Machine Performance and User Activities."
Synchrotron and Free electron laser Radiation: generation and application (SFR-2018), June 25th-28th 2018, Novosibirsk, Russia. -
L.M. Eng, F. Kuschewski, J. Döring, L. Wehmeier, T. Nörenberg, Th. de Oliveira, H.-G. von Ribbeck, D. Lang, B. Green, S. Kovalev, N. Awari, S. Winnerl, M. Helm, M. Gensch und S.C. Kehr.
"Near-field THz nanoscopy with novel accelerator-based photon sources."
International Conference on Low-Energy Electrodynamics in Solids (LEES-2018), 24.-29. Juni 2018, Portonovo, Italien. (invited talk) -
T. Nörenberg.
"Scattering Scanning Near-field Optical Microscopy on GVS."
GVS meeting, May 23rd-25th 2018, Kouty, Czech Republic. -
D. Lang, L. Balaghi, E. Dimakis, R. Hübner, S.C. Kehr, L.M. Eng, A. Pashkin, S. Winnerl, H. Schneider, and M. Helm.
"THz-Field-Induced Plasma Resonance Shift Observed in s-SNIM on Doped GaAs Nanowires."
CLEO Laser Science to Photonic Applications (CLEO-2018), May 13th to 18th 2018, San Jose, USA. -
J.M. Klopf, M. Helm, S.C. Kehr, U. Lehnert, P. Michel, A. Pashkin, H. Schneider, W. Seidel , S. Winnerl, and S. Zvyagin.
"FELBE, The THz/Infrared FEL User Facility for Ultrafast, Nanoscale, and High Field Studies."EOS Topical Meeting on Terahertz Science & Technology (TST-2018), May 6th to 9th 2018, Berlin, Germany.
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S. Kovalev, J. Deinert, B. Green, N. Awari, M. Chen, Z. Wang, S. Germanskiy, F. Kuschewski, T. de Oliveira, S.C. Kehr, A. Deac, L.M. Eng, P. Zalden, C. Bressler, S. Bonetti, T. Kampfrath, D. Turchinovich, and M. Gensch.
"THz control of Matter utilizing 4th Generation Light sources: Opportunities at the superradiant THz facility TELBE."EOS Topical Meeting on Terahertz Science & Technology (TST-2018), May 6th to 9th 2018, Berlin, Germany.
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F. Kuschewski, T. de Oliveira, S.C. Kehr, H.-G. v. Ribbeck, J. Döring, S. Winnerl, N. Awari, S. Kovalev, M. Gensch, and L.M. Eng.
"Nanospectroscopy in the low THz Range with < 50 nm Resolution."EOS Topical Meeting on Terahertz Science & Technology (TST-2018), May 6th to 9th 2018, Berlin, Germany.
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D. Lang, L. Belaghi, E. Dimakis, R. Hübner, S.C. Kehr, L.M. Eng, S. Winnerl, H. Schneider, and M. Helm.
"Infrared nanoscopy on Si-doped GaAs-InGaAs core-shell nanowires."
Annual Meeting of the Deutsche Physikalische Gesellschaft - spring meeting of the Division Condensed Matter (DPG-2018), March 11th to 16th 2018, Berlin, Germany. - L. Wehmeier, J. Döring, S. Winnerl, S.C. Kehr, and L.M. Eng.
"Tunability of ferroelectric superlenses in the mid-infrared regime."
Annual Meeting of the Deutsche Physikalische Gesellschaft - spring meeting of the Division Condensed Matter (DPG-2018), March 11th to 16th 2018, Berlin, Germany. - T.V.A.G. de Oliveira, F. Kuschewski, S. Kovalev, S.C. Kehr, M. Gensch, and L.M. Eng. "Towards nanoscale time-domain-spectroscopy at low-repetition-rate terahertz sources."
Annual Meeting of the Deutsche Physikalische Gesellschaft - spring meeting of the Division Condensed Matter (DPG-2018), March 11th to 16th 2018, Berlin, Germany. - T. Nörenberg, J. Döring, D. Lang, S.C. Kehr, and L.M. Eng.
"Low-temperature scattering scanning near-field optical microscopy."
Annual Meeting of the Deutsche Physikalische Gesellschaft - spring meeting of the Division Condensed Matter (DPG-2018), March 11th to 16th 2018, Berlin, Germany. - L.M. Eng, F. Kuschewski, J. Döring, L. Wehmeier, T. de Oliveira, H.-G. von Ribbeck, D. Lang, B. Green, S. Kovalev, N. Awari, M. Gensch, S. Winnerl, M. Helm, and S.C. Kehr.
"FEL-Based Near-Field THz Nanoscopy."
SPIE Photonics West 2018 (SPIE-2018), January 27th to February 1st 2018, San Francisco, USA.
2017
- S.C. Kehr, J. Döring, L. Wehmeier, T. Nörenberg, F. Kuschewski, T. de Oliveira, D. Lang, S. Winnerl, M. Helm, S. Kovalev, M. Gensch, and L.M. Eng.
"Infrared Near-field Imaging and Spectroscopy at Low Temperatures."
9th International Workshop on Infrared Microscopy and Spectroscopy with Accelerator Based Sources (WIRMS-2017), September 25th to 28th 2017, Oxford, UK. - D. Lang, L. Balaghi, E. Dimakis, S. Winnerl, H. Schneider, S.C. Kehr, L.M. Eng, and M. Helm.
"Infrared nanoscopy on GaAs-InGaAs core-shell nanowires."
9th International Workshop on Infrared Microscopy and Spectroscopy with Accelerator Based Sources (WIRMS-2017), September 25th to 28th 2017, Oxford, UK. - L. Wehmeier, J. Döring, S. Winnerl, S.C. Kehr, and L.M. Eng.
"Tunability of ferroelectric superlenses in the mid-infrared regime"
11th International Congress on Engineered Material Platforms for Novel Wave Phenomena (Metamaterials-2017), August 28th to September 2nd 2017, Marseille, France.
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J. Döring, S.C. Kehr, and L.M. Eng.
"Low-temperature s-SNIM on ferroelectrics"
The 8th International Conference on Surface Plasmon Photonics (SPP-8), May 22nd to 26th 2017, Taipei, Taiwan. - S.C. Kehr, J. Döring, L. Wehmeier, F. Kuschewski, T. Nörenberg, T. de Oliveira, D. Lang, S. Winnerl, M. Gensch, M. Helm, and L.M. Eng.
"Near-field infrared nanoscopy at ELBE."
FELBE User Workshop, April 17th 2017, Dresden, Germany. - F. Kuschewski, S.C. Kehr, H.-G. von Ribbeck, J. Döring, S. Winnerl, N. Awari, B. Green, S. Kovalev, M. Gensch, and L.M. Eng.
"Pump-Probe Nanoscopy with NIR to deep THz Radiation."
FELBE User Workshop, April 17th 2017, Dresden, Germany. - D. Lang, J. Döring, F. Kuschewski, S.C. Kehr, L.M. Eng, S. Winnerl, H. Schneider, and M. Helm.
"Low-temperature scattering scanning near-field optical microscopy."
Optical Terahertz Science and Technology (OTST-2017), April 2nd to 7th 2017, London, UK. - J.M. Klopf, M.Helm, S.C. Kehr, U. Lehnert, P. Michel, A. Pashkin, H. Schneider, W. Seidel, S. Winnerl, S. Zvyagin with the ELBE team.
"FELBE – The THz/Infrared FEL User Facility for Ultrafast, Nanoscale, and High Field Studies."
Optical Terahertz Science and Technology (OTST-2017), April 2nd to 7th 2017, London, UK. - F. Kuschewski, S.C. Kehr, H.-G. von Ribbeck, J. Döring, S. Kovalev, N. Awari, S. Winnerl, B. Green, M. Gensch, and L.M. Eng.
"Towards time-resolved nanoscopy with NIR to deep THz radiation."
German THz Conference 2017, March 29th to 31st 2017, Bochum, Germany. - F. Kuschewski, S.C. Kehr, J. Döring, S. Winnerl, N. Awari, B. Green, S. Kovalev, M. Gensch, and L.M. Eng.
"Pump-probe nanoscopy with NIR to deep THz radiation."
Annual Meeting of the Deutsche Physikalische Gesellschaft - spring meeting of the Division Condensed Matter (DPG-2017), March 19th to 24th 2017, Dresden, Germany. - J. Döring, Á. Butykai, I. Kezsmarki, P. Milde, S.C. Kehr, and L.M. Eng.
"Investigating the structural phase transition of GaV4S8."
Annual Meeting of the Deutsche Physikalische Gesellschaft - spring meeting of the Division Condensed Matter (DPG-2017), March 19th to 24th 2017, Dresden, Germany. - D. Lang, J. Döring, S.C. Kehr, L.M. Eng, S. Winnerl, H. Schneider, and M. Helm.
"Low-temperature scattering-type scanning near-field optical microscopy."
Annual Meeting of the Deutsche Physikalische Gesellschaft - spring meeting of the Division Condensed Matter (DPG-2017), March 19th to 24th 2017, Dresden, Germany. - S.C. Kehr, J. Döring, F. Kuschewski, D. Lang, S. Winnerl, H. Schneider, M. Helm, M. Gensch, and L.M. Eng.
"Near-field Infrared Microscopy at ELBE."
TELBE Annual Meeting 2017, February 16th to 17th 2017, Dresden, Germany. - F. Kuschewski, S.C. Kehr, H.-G. von Ribbeck, J. Döring, S. Winnerl, N. Awari, B. Green, S. Kovalev, M. Gensch, and L.M. Eng.
"Time-resolved nanoscopy with deep THz radiation."
TELBE Annual Meeting 2017, February 16th to 17th 2017, Dresden, Germany.
2016
- S.C. Kehr, J. Döring, L. Wehmeier, F. Kuschewski, D. Lang, S. Winnerl, M. Gensch, M. Helm, and L.M. Eng.
"Near-field infrared nano spectroscopy at ELBE."
Smaller and Faster: Infrared and Terahertz Spectral-Imaging at the Nanoscale with Synchrotron Radiation and Free Electron Laser Sources (SAFE-2016), December 1st to 2nd 2016, Trieste, Italy. (invited) - S. Winnerl, M. Fehrenbacher, F. Kuschewski, H.-G. von Ribbeck, J. Döring, S.C. Kehr, L.M. Eng, H. Schneider, and M. Helm.
"Plasmonic superlens based on doped GaAs."
Smaller and Faster: Infrared and Terahertz Spectral-Imaging at the Nanoscale with Synchrotron Radiation and Free Electron Laser Sources (SAFE-2016), December 1st to 2nd 2016, Trieste, Italy. (invited) - D. Lang, J. Döring, F. Kuschewski, S.C. Kehr, L.M. Eng, S. Winnerl, H. Schneider, and M. Helm.
"Scattering-type scanning near-field infrared microscopy at low temperatures."
Smaller and Faster: Infrared and Terahertz Spectral-Imaging at the Nanoscale with Synchrotron Radiation and Free Electron Laser Sources (SAFE-2016), December 1st to 2nd 2016, Trieste, Italy. - F. Kuschewski, S.C. Kehr, H.-G. von Ribbeck, J. Döring, S. Winnerl, N. Awari, B. Green, S. Kovalev, M. Gensch, and L.M. Eng.
"Pump-probe nanoscopy with NIR to deep THz radiation.”
Smaller and Faster: Infrared and Terahertz Spectral-Imaging at the Nanoscale with Synchrotron Radiation and Free Electron Laser Sources (SAFE-2016), December 1st to 2nd 2016, Trieste, Italy. - S.C. Kehr, L. Wehmeier, and L.M. Eng.
"Infrared sub-wavelength imaging with ferroelectric superlenses."
Smaller and Faster: Infrared and Terahertz Spectral-Imaging at the Nanoscale with Synchrotron Radiation and Free Electron Laser Sources (SAFE-2016), December 1st to 2nd 2016, Trieste, Italy. - J. Döring, S.C. Kehr, and L.M. Eng.
"Low-temperature near-field optical microscopy on barium titanate."
International Workshop on Topological Ferroic Materials 2016 (Topo-2016), August 16th to 19th 2016, Dresden, Germany. - S.C. Kehr, L. Wehmeier, and L.M. Eng.
"Infrared sub-wavelength imaging with ferroelectric superlenses."
International Workshop on Topological Ferroic Materials 2016 (Topo-2016), August 16th to 19th 2016, Dresden, Germany. - F. Kuschewski, S.C. Kehr, H.-G. von Ribbeck, J. Döring, S. Winnerl, N. Awari, B. Green, S. Kovalev, M. Gensch, and L.M. Eng.
"Time-resolved nanoscopy with NIR to deep THz radiation."
14th International Conference on Near-Field Optics, Nanophotonics and Related Techniques (NFO-14), September 4th to 8th 2016, Shizuoka, Japan. - J. Döring, S.C. Kehr, and L.M. Eng.
"Exploring local-scale phase transitions by low-temperature scattering scanning near-field optical microscopy."
Annual Meeting of the Deutsche Physikalische Gesellschaft - spring meeting of the Division Condensed Matter (DPG-2016), March 6th to 11th 2016, Regensburg, Germany. -
F. Kuschewski, S.C. Kehr, N. Awari, B. Green, S. Kovalev, M. Gensch, and L.M. Eng.
"Amplitude-modulated scattering cross-section in near-field infrared microscopy (s-SNIM)."
Annual Meeting of the Deutsche Physikalische Gesellschaft - spring meeting of the Division Condensed Matter (DPG-2016), March 6th to 11th 2016, Regensburg, Germany. -
D. Lang, S. Winnerl, H. Schneider, J. Li, S. Clowes, B. Murdin, J. Döring, S.C. Kehr, L.M. Eng, and M. Helm.
"Terahertz spectroscopy of individual donors in silicon by low temperature s-SNOM."
Annual Meeting of the Deutsche Physikalische Gesellschaft - spring meeting of the Division Condensed Matter (DPG-2016), March 6th to 11th 2016, Regensburg, Germany. -
F. Kuschewski and S.C. Kehr.
"Time-resolved Nanoscopy in the THz frequency range: the TELBE SNIM."
TELBE Kick-off meeting, February 5th 2016, Dresden, Germany.