Head of the Electromagnetic Compatibility and Resilience (EMV)
Technische Universität Braunschweig
Institute for Electromagnetic Compatibility and On-Board Power Systems
Schleinitzstraße 23 – 3rd floor
38106 Braunschweig
How to reach us: Instruction
Room: 303 A
E-Mail: t.kleine-ostmann@tu-braunschweig.de
Phone: +49 531 391-7722
Method for Transmitting Data Between a Base Station and a Mobile Station, and Data Transmission System
T. Kleine-Ostmann, T. Harz, M. Mihalachi, T. Schrader
Deutsches Patent DE 10 2020 110 348 / PCT-Patentanmeldung PCT/EP2020/085155
Method for measuring radio signals in free space and a device therefor / Method and device for measuring radio signals in free space
J. Bredemeyer, K. Münter, T. Kleine-Ostmann, T. Schrader
Deutsches Patent DE 10 2011 015 917 / PCT-Patentanmeldung WO 2012/130894 A1
Delay line for optical signals / Rotating reflector for a delay line for optical signals
F. Rutz, C. Metz, M. Koch, M. Salhi, V. Petukhov, T. Kleine-Ostmann
Deutsche Patentanmeldung DE 10 2005 011 045 A1 / Europäische Patentanmeldung EP 1 701 181 A1
Portable EMC Test System, EMC Test Method, and Computer Program Product
T. Schrader, K. Münter, T. Kleine-Ostmann, C. Papanicolaou
Transportables EMV-Prüfsystem, EMV-Prüfverfahren und Computerprogrammprodukt Deutsches Patent DE 10 2007 058 999
Measuring Device for Molecular Analysis of Chemical or Biological Substances
T. Baras, T. Kleine-Ostmann, M. Koch
Deutsches Patent DE 102 57 225
Metrology: Definition, Use Case, Added Value
T. Kleine-Ostmann, D. Humphreys
in: Metrology for THz Communications: Findings from DFG FOR 2863, Springer Series in Optical Sciences 256, ed. T. Kürner, T. Doeker, D. Humphreys, T. Kleine-Ostmann, T. Schneider, Springer, 2026, ISBN 978-3-032-01985-1. (Link)
RF Power Metrology
T. Kleine-Ostmann, R. Judaschke
in: Metrology for THz Communications: Findings from DFG FOR 2863, Springer Series in Optical Sciences 256, ed. T. Kürner, T. Doeker, D. Humphreys, T. Kleine-Ostmann, T. Schneider, Springer, 2026, ISBN 978-3-032-01985-1. (Link)
Phase Noise Metrology
M. Bahmanian, J. C. Scheytt, N. Meyne, T. Kleine-Ostmann
in: Metrology for THz Communications: Findings from DFG FOR 2863, Springer Series in Optical Sciences 256, ed. T. Kürner, T. Doeker, D. Humphreys, T. Kleine-Ostmann, T. Schneider, Springer, 2026, ISBN 978-3-032-01985-1. (Link)
Vector Network Analysis
M. D. Al-Dabbagh, T. Kleine-Ostmann
in: Metrology for THz Communications: Findings from DFG FOR 2863, Springer Series in Optical Sciences 256, ed. T. Kürner, T. Doeker, D. Humphreys, T. Kleine-Ostmann, T. Schneider, Springer, 2026, ISBN 978-3-032-01985-1. (Link)
Characterising VNA Measurements of Time-Varying Sub-Terahertz Transmission
M. D. Al-Dabbagh, D. A. Humphreys, T. Kleine-Ostmann
in: Metrology for THz Communications: Findings from DFG FOR 2863, Springer Series in Optical Sciences 256, ed. T. Kürner, T. Doeker, D. Humphreys, T. Kleine-Ostmann, T. Schneider, Springer, 2026, ISBN 978-3-032-01985-1. (Link)
Artefacts for Channel Sounder Performance Evaluation
M. D. Al-Dabbagh, D. Dupleich, T. Doeker, R. Thomä, T. Kürner, T. Kleine-Ostmann, D. Humphreys
in: Metrology for THz Communications: Findings from DFG FOR 2863, Springer Series in Optical Sciences 256, ed. T. Kürner, T. Doeker, D. Humphreys, T. Kleine-Ostmann, T. Schneider, Springer, 2026, ISBN 978-3-032-01985-1. (Link)
Time-variant Propagation Channel including Metrics and Multi-link Connection
C. Reinhardt, M. D. Al-Dabbagh, G. Del Galdo, T. Kleine-Ostmann, T. Kürner
in: Metrology for THz Communications: Findings from DFG FOR 2863, Springer Series in Optical Sciences 256, ed. T. Kürner, T. Doeker, D. Humphreys, T. Kleine-Ostmann, T. Schneider, Springer, 2026, ISBN 978-3-032-01985-1. (Link)
Proceedings of the 2022 Kleinheubach Conference
ed. T. Kleine-Ostmann
International Union of Radio Science, U.R.S.I. Landesausschuss in Deutschland e.V., Miltenberg, Germany, 27.-29. September 2022, ISBN 978-3-948571-06-1. (Link)
Vector Network Analysis (VNA)
T. Kleine-Ostmann
in: THz Communications: Paving the way towards wireless Tbps, Springer Series in Optical Sciences 234, ed. T. Kürner, D. Mittleman, T. Nagatsuma, Springer, 2022, ISBN 978-3-030-73737-5. (Link)
Konzepte und Untersuchungen zur Realisierung der Datenübertragung im Terahertz-Frequenzbereich
T. Kleine-Ostmann
Kumulative Habilitationsschrift, TU Braunschweig, 2014.
Micro array biochips – Thousands of reactions on a small chip (MOBA)
W. Mönch, J. Donauer, B. M. Fischer, R. Frank, G. Gauglitz, C. Glasenapp, H. Helm, P. Hing, M. Hoffmann, P. Uhd Jepsen, T. Kleine-Ostmann, M. Koch, H. Krause, N. Leopold, T. Mutschler, F. Rutz, T. Sparna, and H. Zappe,
in: Biophotonics: Visions for Better Health Care, Edts. J. Popp and M.A. Strehle, Wiley-VCH, Weinheim, 2006, pp. 405-476,
ISBN 3-527-40622-0. (Link)
Markerfreie Analytik biologischer Moleküle: THz-Spektroskopie und Leitfähigkeitsuntersuchungen
T. Kleine-Ostmann
Dissertation TU Braunschweig, Cuvillier Verlag, Göttingen, 2005, 208 pages, ISBN 3-86537-723-8. (Link)
D-Band Channel Measurements in a Medical Environment
L. H. W. Loeser, V. Elesina, G. Jensen, T. Kleine-Ostmann, T. Kürner,
J Infrared Milli Terahz Waves 47, 63-76 (2026) (Link)
Time-Varying Signal Propagation at Sub-THz Frequencies Using a Vector Network Analyzer
M. D. Al-Dabbagh, D. Ulm, D. A. Humphreys, T. Kleine-Ostmann
IEEE Access 13, 202427-202437 (2025). (Link)
Characterization of Sub-THz Channel Sounding Systems in OTA Measurement Scenarios Using a Vector Network Analyzer
M. D. Al-Dabbagh, D. Ulm, T. Doeker, D. Dupleich, A. Ebert, R. S. Thomä, T. Kürner, D. A. Humphreys, T. Kleine-Ostmann
IEEE Transactions on Antennas and Propagation 73, 3943-3958 (2025). (Link)
Interlaboratory Comparison of Dielectric Measurements From Microwave to Terahertz Frequencies Using VNA-Based and Optical-Based Methods
X. Shang, M. Naftaly, J. Skinner, L. Ausden, A. Gregory, N. M. Ridler, U. Arz, G. N. Phung, D. Ulm, T. Kleine-Ostmann, D. Allal, M. Wojciechowski, A. Kazemipour, G. Gäumann, M. Hudlicka
IEEE Transactions on Microwave Theory and Techniques 72, 6473-6484 (2024). (Link)
Propagation of THz radiation in air over a broad range of atmospheric temperature and humidity conditions
F. Taleb, M. Alfaro-Gomez, M. D. Al-Dabbagh, J. Ornik, J. Viana, A. Jäckel, C. Mach, J. Helmiak, T. Kleine-Ostmann, T. Kürner, M. Koch, D. M. Mittleman and E. Castro-Camus
Scientific Reports 13, 20782 (2023). (Link)
Characterising the Photonic-Assisted Coherent Free-Space Link of Sub-THz Data Transmission
M. D. Al-Dabbagh, J. Smith, T. Kleine-Ostmann, M. Naftaly, I. Fatadin
IEEE Access 11, 128081 (2023). (Link)
Achromatic Quarter‑Waveplate for the Terahertz Frequency Range Made by 3D Printing
A. Jäckel, D. Ulm, T. Kleine-Ostmann, Enrique Castro-Camus, M. Koch, J. Ornik,
J Infrared Milli Terahz Waves 43, 573-581 (2022). (Link)
On the reliability of power measurements in the terahertz band
E. Castro-Camus, M. Koch, T. Kleine-Ostmann, and A. Steiger
Communications Physics 42, 1-3 (2022). (Link)
Roll-Off Factor Analysis of Optical Nyquist Pulses Generated by an On-Chip Mach-Zehnder Modulator
S. De, K. Singh, C. Kress, R. Das, T. Schwabe, S. Preußler, T. Kleine-Ostmann, J. C. Scheytt, and T. Schneider
IEEE Photonics Technology Letters 33, 1189-1192 (2021). (Link)
Analysis of Non-Idealities in the Generation of Reconfigurable Sinc-Shaped Optical Nyquist Pulses
S. De, A. Misra, R. Das, T. Kleine-Ostmann, and T. Schneider
IEEE Access 9, 76286-76295 (2021). (Link)
Propagation Channel Measurements in the mm and Sub-mm Wave Range for Different Indoor Communication Scenarios
M.A. Salhi, T. Kleine-Ostmann, and T. Schrader
J Infrared Milli Terahz Waves 42, 357-370 (2021). (Link)
Repeatability of material parameter extraction of liquids from transmission terahertz time-domain measurements
J. Ornik, J. Lehr, M. Reuter, D. Jahn, F. Felipe-Mejia, J. C. Balzer, T. Kleine-Ostmann, and M. Koch
Optics Express 28, 28178-28189 (2020). (Link)
3D Printed Terahertz Rectangular Waveguides of Polystyrene and TOPAS: a Comparison
R. Guo, E.-M. Stuebling, F. Beltran-Mejia, D. Ulm, T. Kleine-Ostmann, F. Ehrig, and M. Koch
J Infrared Milli Terahz Waves 40, 1-4 (2019). (Link)
Characterization of a 300-GHz Transmission System for Digital Communications
M. Hudlička, M. Salhi, T. Kleine-Ostmann, and T. Schrader
J Infrared Milli Terahz Waves 38, 1004-1018 (2017). (Link)
An alternative to the geometric addition method for calculating the rise time of fast oscilloscopes and pulse generators
K. Baaske, P. D. Hale, T. Kleine-Ostmann, M. Bieler, and T. Schrader
Technisches Messen 84, 83-90 (2017). (Link)
Measurement comparison among time-domain, FTIR and VNA-based spectrometers in the THz frequency range
L. Oberto, M. Bisi, A. Kazemipour, A. Steiger, T. Kleine-Ostmann, and T. Schrader,
Metrologia 54, 77-84 (2017). (Link)
Effect of Radiofrequency Radiation on Human Hematopoietic Stem Cells
K. Gläser, M. Rohland, T. Kleine-Ostmann, T. Schrader, H. Stopper, and H. Hintzsche,
Radiation Research 186, 455-465 (2016). (Link)
Near- and Far-Field Characterization of Planar mm-Wave Antenna Arrays with Waveguide-to-Microstrip Transition
M. A. Salhi, A. Kazemipour, G. Gentille, M. Spirito, T. Kleine-Ostmann, and T. Schrader
J Infrared Milli Terahz Waves 37, 857-873 (2016). (Link)
Safety Checkpoints – Assessing Heat Transfer onto Human Skin After Exposure to Millimeter and Submillimeter Waves
A. Kazemipour, T. Kleine-Ostmann, T. Schrader, D. Allal, M. Charles, L. Zilberti, M. Borsero, O. Bottauscio, and M. Chiampi
IEEE Microwave Magazine 17, 76-81 (2016). (Link)
Design and Calibration of a Compact Quasi-Optical System for Material Characterization in Millimeter/Submillimeter Wave Domain
A. Kazemipour, M. Hudlička, S.-K. Yee, M. A. Salhi, D. Allal, T. Kleine-Ostmann, and T. Schrader,
IEEE Trans. on Instr. and Measurement 64, 1438-1445 (2015). (Link)
Measurements and Modeling of Basic Propagation Characteristics for Intra-Device Communications at 60 GHz and 300 GHz
T. Kürner, A. Fricke, S. Rey, P. Le Bars, A. Mounir, and T. Kleine-Ostmann
J Infrared Milli Terahz Waves 36, 144-158 (2015). (Link)
A Simple New Method to Calibrate Millimeter-Wave Mixers
A. Kazemipour, M. Salhi, T. Kleine-Ostmann and T. Schrader
IEEE Design & Test 31, 46-51 (2014). (Link)
The Horn Antenna as Gaussian Source in the mm-Wave Domain – Analytical Study and Measurement Results
A. Kazemipour, M. Hudlicka, R. Dickhoff, M. Salhi, T. Kleine-Ostmann and T. Schrader
J Infrared Milli Terahz Waves 35, 720-731 (2014). (Link)
Field Exposure and Dosimetry in the THz Frequency Range
T. Kleine-Ostmann, C. Jastrow, K. Baaske, B. Heinen, M. Schwerdtfeger, U. Kärst, H. Hintzsche, H. Stopper, M. Koch and T. Schrader
IEEE Trans. on THz Science and Techn. 4, 12-25 (2014). (Link)
Terahertz radiation at 0.380 THz and 2.520 THz does not lead to DNA damage in skin cells in vitro
H. Hintzsche, C. Jastrow, B. Heinen, K. Baaske, T. Kleine-Ostmann, M. Schwerdtfeger, M. K. Shakfa, U. Kärst, M. Koch, T. Schrader and H. Stopper,
Radiation Research 179, 38-45 (2013). (Link)
Terahertz Electromagnetic Fields (0.106 THz) Do Not Induce Manifest Genomic Damage In Vitro
H. Hintzsche, C. Jastrow, T. Kleine-Ostmann, U. Kärst, T. Schrader and H. Stopper,
PLOS ONE 7, 9, e46397 (2012). (Link)
900 MHz radiation does not induce micronucleus formation in different cell types
H. Hintzsche, C. Jastrow, T. Kleine-Ostmann, T. Schrader and H. Stopper
Mutagenesis 27, 477-483 (2012). (Link)
Diffraction in mm and sub-mm Wave Indoor Propagation Channels
M. Jacob, S. Priebe, R. Dickhoff, T. Kleine-Ostmann, T. Schrader and T. Kürner
IEEE Trans. on Microwave Theory and Techniques 60, 833-844 (2012). (Link)
Channel and Propagation Measurements at 300 GHz
S. Priebe, C. Jastrow, M. Jacob, T. Kleine-Ostmann, T. Schrader and T. Kürner
IEEE Trans. on Antennas & Propagation 59, 1688-1698 (2011). (Link)
Spindle Disturbances in Human-Hamster Hybrid (AL) Cells Induced by the Electrical Component of the Mobile Communication Frequency Range Signal
T. Schrader, T. Kleine-Ostmann, K. Münter, C. Jastrow and E. Schmid
Bioelectromagnetics 32, 291-301 (2011). (Link)
Terahertz Radiation Induces Spindle Disturbances in Human-Hamster Hybrid Cells
H. Hintzsche, C. Jastrow, T. Kleine-Ostmann, H. Stopper, E. Schmid and T. Schrader
Rad. Res. 175, 569-574 (2011). (Link)
A Review on Terahertz Communications Research
T. Kleine-Ostmann and T. Nagatsuma
Journal of Infrared, Millimeter, and Terahertz Waves 32, 143-171 (2011). (Link)
Wireless digital data transmission at 300 GHz
C. Jastrow, S. Priebe, B. Spitschan, J. Hartmann, M. Jacob, T. Kürner, T. Schrader and T. Kleine-Ostmann
Electron. Lett. 46, 661-663 (2010). (Link)
Spatially resolved measurements of depletion properties of large gate 2DEG semiconductor terahertz modulators
T. Kleine-Ostmann, K. Pierz, G. Hein, P. Dawson, M. Marso and M. Koch
Journ. Appl. Phys. 105, 093707 (2009). (Link)
THz Metrology
T. Kleine-Ostmann, T. Schrader, M. Bieler, U. Siegner, C. Monte, B. Gutschwager, J. Hollandt, A. Steiger, L. Werner, R. Müller, G. Ulm, I. Pupeza, and M. Koch
Frequenz (special issue on Terahertz Technologies and Applications) 62, 137-148 (2008). (Link)
Spindle Disturbances in Human-Hamster Hybrid (AL) Cells Induced by Mobile Communication Frequency Range Signals
T. Schrader, K. Münter, T. Kleine-Ostmann and E. Schmid
Bioelectromagnetics 29, 626-639 (2008). (Link)
Probing Non-Covalent Interactions in Biomolecular Crystals with Terahertz Spectroscopy
T. Kleine-Ostmann, R. Wilk, F. Rutz, M. Koch, H. Niemann, B. Güttler, K. Brandhorst and J. Grunenberg
ChemPhysChem 9, 544-547 (2008). (Link)
300 GHz Transmission System
C. Jastrow, K. Münter, R. Piesiewicz, T. Kürner, M. Koch and T. Kleine-Ostmann
Electron. Lett. 44, 213-214 (2008). (Link)
Short-Range Ultra Broadband Terahertz Communications: Concept and Perspectives
R. Piesiewicz, T. Kleine-Ostmann, N. Krumbholz, D. Mittleman, M. Koch, J. Schöbel and T. Kürner
IEEE Antennas & Propagation Magazine 49, 24-39 (2007). (Link)
Scattering analysis for the modeling of THz communication systems
R. Piesiewicz, C. Jansen, D. Mittleman, T. Kleine-Ostmann, M. Koch and T. Kürner
IEEE Trans. on Antennas & Propagation (special issue on Optical and THz Antenna Technology) 55, 3002-3009 (2007). (Link)
Anisotropie von Feldstärkemessgeräten
T. Kleine-Ostmann, R. Pape, K. Münter, and T. Schrader
Techn. Mess. 74, 521-528 (2007). (Link)
Conductivity of single-stranded and double-stranded deoxyribose nucleic acid under ambient conditions: The dominance of water
T. Kleine-Ostmann, C. Jördens, K. Baaske, T. Weimann, M. Hrabe de Angelis, and M. Koch
Appl. Phys. Lett. 88, 102102 (2006). (Link)
Structure investigation of low-temperature-grown GaAsSb, a material for photoconductive terahertz antennas
J. Sigmund, C. Sydlo, H. L. Hartnagel, N. Benker, H.Fuess, F. Rutz, T. Kleine-Ostmann, and M. Koch
Appl. Phys. Lett. 87, 252103 (2005). (Link)
Generation of Phaselocked Tunable CW Radiation in the Terahertz Regime
Q. Quraishi, M. Griebel, T. Kleine-Ostmann, and R. Bratschitsch
Opt. Lett. 30, 3231-3233 (2005). (Link)
THz characterisation of building materials
R. Piesiewicz, T. Kleine-Ostmann, N. Krumbholz, D.Mittleman, M. Koch, and T. Kürner
Electron. Lett. 41, 1002-1004 (2005). (Link)
Terahertz time-domain spectroscopy and imaging of artificial RNA
B. M. Fischer, M. Hoffmann, R. Wilk, F. Rutz, T. Kleine-Ostmann, M. Koch, and P. Uhd Jepsen
Opt. Express 13, 5205-5215 (2005). (Link)
Room-temperature operation of an electrically driven terahertz modulator
T. Kleine-Ostmann, P. Dawson, K. Pierz, G. Hein, and M. Koch
Appl. Phys. Lett. 84, 3555-3557 (2004). (Link)
A New Class of Improved-Efficiency THz Filters for On-Chip Detection of Biomaterials
F. Stewing, T. Kleine-Ostmann, and M. Koch
Microw. Opt. Techn. Lett. 41, 79-82 (2004). (Link)
Audio Signal Transmission over THz communication channel using semiconductor modulator
T. Kleine-Ostmann, K. Pierz, G. Hein, P. Dawson, and M. Koch
Electron. Lett. 40, 124-126 (2004). (Link)
Modulation of THz Radiation by Semiconductor Nanostrutures
T. Kleine-Ostmann, M. Koch, and P. Dawson
Microw. Opt. Techn. Lett. 35, 343-345 (2002). (Link)
Fourier-Transform External Cavity Lasers
M. Breede, S. Hoffmann, J. Zimmermann, J. Struckmeier, M. Hofmann, T. Kleine-Ostmann, P. Knobloch, M. Koch, J.P. Meyn, M. Matus, S.W. Koch, and J.V. Molone
Opt. Comm. 207, 193-203 (2002). (Link)
Dual-wavelength fibre-laser
T. Kleine-Ostmann, P. Knobloch, R. Caspary, M. Hofmann, and M. Koch
Electron. Lett. 38, 309-310 (2002). (Link)
Continuous-wave THz imaging
T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, K. Pierz, G. Hein, M. Sperling, and K. Donhuijsen
Electron. Lett. 37, 1461-1463 (2001). (Link)
A Data Fusion Architecture for Enhanced Position Estimation in Wireless Networks
T. Kleine-Ostmann and A.E. Bell,
IEEE Comm. Lett. 5, 343-345 (2001). (Link)