Publications
2024
Abstract
MR-active needle guides with wireless metasurface coils for transperineal prostate interventions
Kowal, Robert; Knull, Lucas; Hubmann, Max Joris; Vogt, Ivan; Düx, Daniel; Gutberlet, Marcel; Hensen, Bennet; Wacker, Frank; Speck, Oliver; Maune, Holger
In: 14th International Interventional MRI Symposium - Leipzig . - 2024, S. 28 [Symposium: 14th Interventional MRI Symposium, Annapolis, Maryland, October 17-18, 2024]
Potential of metasurface resonators for low-field MRI systems
Kowal, Robert; Hubmann, Max Joris; Knull, Lucas; Düx, Daniel Markus; Gutberlet, Marcel; Hensen, Bennet; Maier, Florian; Wacker, Frank; Speck, Oliver; Maune, Holger
In: ISMRM & ISMRT Annual Meeting & Exhibition - Concord, CA : International Society for Magnetic Resonance in Medicine . - 2024, Artikel 1572 [Konferenz: ISMRM & ISMRT Annual Meeting & Exhibition, Singapore, 04-09 May 2024]
Advances in musculoskeletal imaging - the potential of wireless metasurface coils
Düx, Daniel Markus; Kowal, Robert; Schröer, Simon; Maune, Holger; Speck, Oliver; Wacker, Frank; Gutberlet, Marcel; Hensen, Bennet
In: ISMRM & ISMRT Annual Meeting & Exhibition - Concord, CA : International Society for Magnetic Resonance in Medicine . - 2024, Artikel 0483 [Konferenz: ISMRM & ISMRT Annual Meeting & Exhibition, Singapore, 04-09 May 2024]
Simulation of the transmit performance of 8-channel arrays for 7T head-imaging with a large diameter transmit coil
Hubmann, Max Joris; Kowal, Robert; Orzada, Stephan; Speck, Oliver; Maune, Holger
In: ESMRMB 2024 - ESMRMB, Artikel 379 [Meeting: 2024 ESMRMB 40th Annual Scientific Meeting, Barcelona, 2 - 5 October 2024]
Book chapter
MRI metasurface enhancements at different clinical field strengths
Kowal, Robert; Hubmann, Max Joris; Knull, Lucas; Vogt, Ivan; Düx, Daniel; Gutberlet, Marcel; Hensen, Bennet; Wacker, Frank; Speck, Oliver; Maune, Holger
In: 2024 IEEE MTT-S International Microwave Biomedical Conference (IMBioC) , 2024 - [Piscataway, NJ] : IEEE, S. 125-127 [Konferenz: 2024 IEEE MTT-S International Microwave Biomedical Conference, IMBioC, Montreal, QC, Canada, 11-13 June 2024]
Peer-reviewed journal article
Impact of unit cell density on grid and stripe metasurfaces for MRI receive enhancement
Kowal, Robert; Knull, Lucas; Vogt, Ivan; Hubmann, Max Joris; Düx, Daniel; Hensen, Bennet; Wacker, Frank; Speck, Oliver; Maune, Holger
In: IEEE journal of electromagnetics, RF and microwaves in medicine and biology - New York, NY : IEEE . - 2024, insges. 8 S. [Online first]
2023
Abstract
Curvature adapted Wireless Metasurface Resonators for MR-guided Interventions
Knull, Lucas; Kowal, Robert; Hensen, Bennet; Wacker, Frank; Speck, Oliver; Maune, Holger
In: 6th Conference on Image-Guided Interventions - Mannheim . - 2023, S. 61-62 [Konferenz: 6th Conference on Image-Guided Interventions, IGIC 2023, Mannheim, 19-20 October 2023]
Wireless MRI metasurface to enhance head coil performance
Kowal, Robert; Vogt, Ivan; Hubmann, Max Joris; Speck, Oliver; Maune, Holger
In: Konferenz: 45th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Sydney, 24. - 27. Juni 2023, IEEE EMBC 2023 - Sydney
Simulation and comparison of transmit elements for 7T head-imaging with a large diameter transmit coil
Hubmann, Max Joris; Kowal, Robert; Orzada, Stephan; Wagner, Piet; Seifert, Frank; Speck, Oliver; Maune, Holger
In: ISMRM & ISMRT Annual Meeting & Exhibition - Concord, CA : International Society for Magnetic Resonance in Medicine . - 2023, Artikel 4583
FAIR benchmarking of 7T MRI antennas - case for a standardized protocol for RF transmit element performance assessment
Hubmann, Max Joris; Nurzed, Bilguun; Niendorf, Thoralf; Speck, Oliver; Maune, Holger
In: ISMRM & ISMRT Annual Meeting & Exhibition - Concord, CA : International Society for Magnetic Resonance in Medicine . - 2023, Artikel 4242
Simulation and comparison of transmit elements for 7T head-imaging with a large diameter transmit coil
Hubmann, Max Joris; Kowal, Robert; Orzada, Stephan; Wagner, Piet; Seifert, Frank; Speck, Oliver; Maune, Holger
In: ISMRM & ISMRT Annual Meeting & Exhibition - Concord, CA : International Society for Magnetic Resonance in Medicine . - 2023, Artikel 4583
FAIR benchmarking of 7T MRI antennas - case for a standardized protocol for RF transmit element performance assessment
Hubmann, Max Joris; Nurzed, Bildgun; Niendorf, Thoralf; Speck, Oliver; Maune, Holger
In: ISMRM & ISMRT Annual Meeting & Exhibition - Concord, CA : International Society for Magnetic Resonance in Medicine . - 2023, Artikel 4242
MetaGate wireless resonator for MR-guided percutaneous interventions
Kowal, Robert; Knull, Lucas; Hubmann, Max Joris; Düx, Daniel; Hensen, Bennet; Wacker, Frank; Rose, Georg; Maune, Holger
In: 6th Conference on Image-Guided Interventions - Mannheim . - 2023, S. 58-59 [Konferenz: 6th Conference on Image-Guided Interventions, Mannheim, October 19 - 20, 2023]
Peer-reviewed journal article
RF glass technology is going mainstream - review and future applications
Chaloun, Tobias; Brandl, Susanne; Ambrosius, Norbert; Kröhnert, Kevin; Maune, Holger; Waldschmidt, Christian
In: IEEE journal of microwaves - [New York, NY] : IEEE, Bd. 3 (2023), Heft 2, S. 783-799
Network-structured BST/MBO composites made from core-Shell-structured granulates
Häuser, Kevin; Zhou, Zhiren; Agrawal, Prannoy; Jakoby, Rolf; Maune, Holger; Binder, Joachim R.
In: Materials - Basel : MDPI, Bd. 16 (2023), Heft 2, Artikel 710, insges. 16 S.
2022
Book chapter
Slow-wave MEMS phase shifter with liquid crystal for reconfigurable 5G
Gomes, Leonardo; Wang, Dongwei; Palomino, Gustavo; Lé, João; Jakoby, Rolf; Maune, Holger; Ferrari, Philippe; Serrano, Ariana L. C.; Rehder, Gustavo P.
In: Symposium: IEEE/MTT-S International Microwave Symposium, IMS 2022, Denver, CO, USA, 19-24 June 2022, 2022 IEEE/MTT-S International Microwave Symposium/ IEEE/MTT-S International Microwave Symposium - [Piscataway, NJ]: IEEE . - 2022, S. 983-986
A broad band patch antenna used as auxiliary load for measuring multi-port device with 2-port VNA at W-band
Wang, Dongwei; Jakoby, Rolf; Maune, Holger; Ferrari, Philippe; Serrano, Ariana L. C.; Rehder, Gustavo P.
In: Konferenz: 14th German Microwave Conference (GeMiC), Ulm, 16-18 May 2022, 2022 14th German Microwave Conference - [Piscataway, NJ]: IEEE . - 2022, S. 156-159
Considerations for V- and W-band inter-satellite links
Maune, Holger; Hübner, Karl-Heinz; Gold, Gerald
In: Konferenz: 22nd Annual Wireless and Microwave Technology Conference, WAMICON, Clearwater, FL, USA, 27-28 April 2022, 2022 IEEE 22nd Annual Wireless and Microwave Technology Conference (WAMICON) - [Piscataway, NJ]: IEEE . - 2022, insges. 4 S.
Peer-reviewed journal article
Electromagnetic modeling of tunability of Barium Strontium Titanate and Magnesium Borate composites
Agrawal, Prannoy; Matic, Stipo; Häuser, Kevin; Binder, Joachim R.; Maune, Holger; Polat, Ersin; Jakoby, Rolf
In: Ceramics international - Amsterdam [u.a.]: Elsevier Science . - 2022, insges. 10 S.
Fast and miniaturized phase shifter with excellent figure of merit based on liquid crystal and nanowire-filled membrane technologies
Wang, Dongwei; Polat, Ersin; Schuster, Christian; Tesmer, Henning; Rehder, Gustavo P.; Serrano, Ariana L. C.; Gomes, Leonardo G.; Maune, Holger; Jakoby, Rolf
In: IEEE journal of microwaves - [New York, NY]: IEEE, Bd. 2 (2022), 1, S. 174-184
Compact DC to 110 GHz crossover based on metallic-nanowire-filled membrane
Wang, Dongwei; Verona, Bruno M.; Serrano, Ariana L. C.; Ferrari, Philippe; Jakoby, Rolf; Maune, Holger; Rehder, Gustavo P.
In: IEEE microwave and wireless components letters/ Institute of Electrical and Electronics Engineers - New York, NY: IEEE, Bd. 32 (2022), 1, S. 45-48
Highly miniaturized continuously tunable phase shifter based on liquid crystal and defected ground structures
Wang, Dongwei; Polat, Ersin; Tesmer, Henning; Jakoby, Rolf; Maune, Holger
In: IEEE microwave and wireless components letters/ Institute of Electrical and Electronics Engineers - New York, NY: IEEE, Bd. 32 (2022), 6, S. 519-522
Novel hybrid electric/magnetic bias concept for tunable liquid crystal based filter
Polat, Ersin; Kamrath, Fynn; Matic, Stipo; Tesmer, Henning; Jiménez-Sáez, Alejandro; Wang, Dongwei; Maune, Holger; Hoft, Michael; Jakoby, Rolf
In: IEEE journal of microwaves - [New York, NY] : IEEE, Bd. 2 (2022), Heft 3, S. 490-495
Switched and steered beam end-fire antenna array fed by wideband via-less butler matrix and tunable phase shifters based on liquid crystal technology
Wang, Dongwei; Polat, Ersin; Tesmer, Henning; Maune, Holger; Jakoby, Rolf
In: IEEE transactions on antennas and propagation / Institute of Electrical and Electronics Engineers - New York, NY : IEEE, Bd. 70 (2022), Heft 7, S. 5383-5392
2021
Peer-reviewed journal article
Suppression of acoustic resonances in BST-based bulk-ceramic varactors by addition of magnesium borate
Agrawal, Prannoy; Kienemund, Daniel; Walk, Dominik; Matic, Stipo; Bohn, Nicole; Häuser, Kevin; Fink, Thomas; Abrecht, Mike; Bigler, Walter; Binder, Joachim R.; Jakoby, Rolf; Maune, Holger
In: Crystals: open access journal - Basel: MDPI, Bd. 11 (2021), 7, insges. 12 S.
Description of intermodulation generation of nonlinear responses beyond the validity of the power series expansion
Bergmann, F.; Letz, M.; Maune, Holger; Jakob, G.
In: Applied physics letters - Melville, NY: American Inst. of Physics, Bd. 118 (2021), 1, insges. 6 S.
Sintering behavior and electrical properties of the paraelectric/dielectric composite system BST/MBO
Häuser, K.; Azmi, R.; Agrawal, P.; Jakoby, R.; Maune, Holger; Hoffmann, M. J.; Binder, J. R.
In: Journal of the European Ceramic Society/ European Ceramic Society - Amsterdam [u.a.]: Elsevier Science, Bd. 41 (2021), 41, S. 7022-7028
Temperature characterization of liquid crystal dielectric image line phase shifter for millimeter-wave applications
Tesmer, Henning; Razzouk, Rani; Polat, Ersin; Wang, Dongwei; Jakoby, Rolf; Maune, Holger
In: Crystals - Basel: MDPI, Bd. 11 (2021), 1, insges. 14 S.
All-oxide varactor electromechanical properties extracted by highly accurate modeling over a broad frequency and electric bias range
Walk, Dominik; Agrawal, Prannoy; Zeinar, Lukas; Salg, Patrick; Arzumanov, Alexey; Komissinskiy, Philipp; Alff, Lambert; Jakoby, Rolf; Rupitsch, Stefan; Maune, Holger
In: IEEE transactions on ultrasonics, ferroelectrics, and frequency control/ Institute of Electrical and Electronics Engineers - New York, NY: IEEE, Bd. 68 (2021), 8, S. 2804-2814
Feasibility of additively manufactured tunable liquid crystal loaded dielectric waveguides
Bachbauer, Felix; Polat, Ersin; Sippel, Mark; Jakoby, Rolf; Vossiek, Martin; Maune, Holger
In: IEEE microwave and wireless components letters/ Institute of Electrical and Electronics Engineers - New York, NY: IEEE, Bd. 31 (2021), 8, S. 973-976
Bandwidth and center frequency reconfigurable waveguide filter based on liquid crystal technology
Kamrath, Fynn; Polat, Ersin; Matic, Stipo; Schuster, Christian; Miek, Daniel; Tesmer, Henning; Boe, Patrick; Wang, Dongwei; Jakoby, Rolf; Maune, Holger; Höft, Michael
In: IEEE journal of microwaves - [New York, NY]: IEEE . - 2021, insges. 11 S.
A compact and fast 1×4 continuously steerable endfire phased-array antenna based on liquid crystal
Wang, Dongwei; Polat, Ersin; Tesmer, Henning; Jakoby, Rolf; Maune, Holger
In: IEEE antennas and wireless propagation letters/ Institute of Electrical and Electronics Engineers - New York, NY: IEEE, Bd. 20 (2021), 10, S. 1859-1862
2020
Peer-reviewed journal article
Ridge Gap Waveguide Based Liquid Crystal Phase Shifter
Nickel, M.; Jimenez-Saez, A.; Agrawal, P.; Gadallah, A.; Malignaggi, A.; Schuster, C.; Reese, T.; Tesmer, H.; Polat, E.; Wang, D.; Schumacher, P.; Jakoby, R.; Kissinger, D.; Maune, H.
In: In: IEEE Access, Bd. 8, S. 77833-77842, 2020
Oxygen diffusion barriers for epitaxial thinfilm heterostructures with highly conducting SrMoO3 electrodes
Salg, P.; Zeinar, L.; Radetinac, A.; Walk, D.; Maune, H.; Jakoby, R.; Alff, L.; Komissinskiy, P.
In: In: Journal of Applied Physics, Bd. 127, 6, S. 065302, 2020
Reconfigurable Millimeter-Wave Components Based on Liquid Crystal Technology for Smart Applications
Polat, E.; Tesmer, H.; Reese, R.; Nickel, M.; Wang, D.; Schumacher, P.; Jakoby, R.; Maune, H.
In: In: Crystals, Bd. 10, 5, S. 346, 2020
Fast Ion Conduction of Sintered Glass-Ceramic Lithium Ion Conductors Investigated by Impedance Spectroscopy and Coaxial Reflection Technique
Samsinger, R. F.; Letz, M.; Schuhmacher, J.; Schneider, M.; Roters, A.; Kienemund, D.; Maune, H.; Kwade, A.
In: The Electrochemical Society, Bd. 167, 14, S. 140510, 2020
Article in conference proceedings
RF Modeling of Tunable Varactors with Thin Oxide Electrodes
Maune, H.; Walk, D.; Komissinskiy, P.; Alff, L.; Jakoby, R.
In: In: Electronic Materials and Applications, 2020
Slow Wave Inverted Microstrip Line Based on Metallic Nanowire Filled Alumina Membrane
Wang, D.; Nickel, M.; Walk, D.; Jimènez, A.; Polat, E.; Reese, R.; Rehder, G. P.; Serrano, A. L. C.; Gomes, L. G.; Jakoby, P. Ferrari andR.; Maune, H.
In: In: German Microwave Conference (GeMiC), S. 160-163, 2020
Liquid Crystal Based Parallel-Polarized Dielectric Image Guide Phase Shifter at W-Band
Tesmer, H.; Reese, R.; Polat, E.; Jakoby, R.; Maune, H.
In: In: IEEE MTT-S International Microwave Symposium, 2020
Suppression of Acoustic Resonances in All-Oxide Varactors
Walk, D.; Kienemund, D.; Aggrawal, P.; Salg, P.; Zeinar, L.; Komissinskiy, P.; Alff, L.; Jakoby, R.; Maune, H.
In: In: IEEE MTT-S International Microwave Symposium, 2020
Dielectric Image Line Liquid Crystal Phase Shifter at W-Band
Tesmer, H.; Reese, R.; Polat, E.; Jakoby, R.; Maune, H.
In: In: German Microwave Conference (GeMiC), S. 156-159, 2020
Fully Reconfigurable Bandpass with Continuously Tunable Center Frequency and Bandwidth Featuring a Constant Filter Characteristic
Schuster, C.; Kamrath, F.; Miek, D.; Polat, E.; Boe, P.; Frank, L. Pimentel Paes; Kienemund, D.; Jakoby, R.; Maune, H.; Höft, M.
In: In: German Microwave Conference (GeMiC), S. 236-239, 2020
Fully Dielectric Phased Array for Beamsteering Using Liquid Crystal Technology at W-Band
Polat, E.; Reese, R.; Tesmer, H.; Nickel, M.; Jakoby, R.; Maune, H.
In: In: European Conference on Antennas and Propagation (EuCAP), 2020