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Institute of Bioengineering

People menu

Dr Robert Donnan

Reader in Terahertz Engineering

Department School of Electronic Engineering and Computer Science
Telephone +44 (0)20 7882 7519

IoB Highlights

RF, mm-wave, THz and Optical Metrology

Key strengths, technologies, know-how

  • Antenna & Quasi Optical Metrology
  • Dielectric Spectroscopy
  • Magneto-Optical constant determination
  • Vector Network Analysis
  • Computer-aided modelling & design of electromagnetic-field/material interaction


  • mm-wave & THz-Time-resolved spectroscopy of condensed-phase dynamics (study of dissolved protein mechanics, organic & inorganic reactions)
  • Design of quasi-optical feed systems for Earth-observation radiometry
  • mm-wave-directed crystal engineering
  • Close research links with STFC (RAL, Daresbury), ESA, NPL

Selective research achievements

  • Number of papers  - 50+ (Journal/Conference)
  • Main Grants – EPSRC, ESA
  • Industrial links – Thomas Keating Ltd, Essco, ADS Airbus, e2v

Research Interests



Alkaraki S, Andy AS, Gao Y, Tong KF, Ying Z, Donnan R and Parini C (2018). Compact and low-cost 3-D printed antennas metalized using spray-coating technology for 5G mm-wave communication systems. Ieee Antennas and Wireless Propagation Letters  vol. 17, (11) 2051-2055. 10.1109/LAWP.2018.2848912

KREOUZIS T, ANDY AS, KNELLER JWE, SUSHKO O, DUBROVKA R, PARINI C, SCOTT K and DONNAN RS (2018). Estimation of dark and active dielectric constants in the sub-THz frequency domain of an optically tunable organic semiconductor blend of poly(3-hexylthiophene) and phenyl-C61-butyric acid methyl ester. Iop Publishing  Applied Physics Express  vol. 11, 10.7567/APEX.11.061601

YU C, YANG B, ABRAHAMS I and YAN H (2018). SrFe12O19 based ceramics with ultra-low dielectric loss in the millimetre-wave band. Aip Publishing  Applied Physics Letters  10.1063/1.5022271


Lopez-Tremoleda J, Alvarez K, ADEN A, DONNAN RS, MICHAEL-TITUS AT and TOMLINS PH (2017). Heart-rate sensitive optical coherence angiography for measuring vascular changes due to posttraumatic brain injury in mice. Society of Photo-Optical Instrumentation Engineers  Journal of Biomedical Optics  vol. 22, (12) 121710-121710. 10.1117/1.JBO.22.12.121710

Li X, Liu X, Ronald K, He W, Zeng Y, Alfadhl Y, Donnan R, Cross A and Chen X (2017). Investigation of Frequency-Selective Surfaces for a THz Gyromultiplier Output System. Ieee Transactions On Electron Devices  vol. 64, (11) 4678-4685. 10.1109/TED.2017.2746718

Dickie R, Christie S, Cahill R, Baine P, Fusco V, Parow-Souchon K, Henry M, Huggard PG, Donnan RS, Sushko O, Candotti M, Dubrovka R, Parini CG and Kangas V (2017). Low-Pass FSS for 50-230 GHz Quasi-Optical Demultiplexing for the MetOp Second-Generation Microwave Sounder Instrument. Ieee Transactions On Antennas and Propagation  vol. 65, (10) 5312-5321. 10.1109/TAP.2017.2740978

DONNAN RS, Pigeon M, Sushko O, Kreouzis T, Parini C, Wang H, Alderman B, Huggard P and Dubrovka R (2017). From Simulations to Measurements: Prototyping an Antenna for Non-Linear Applications at Sub-THz Frequencies. Iet Microwaves, Antennas & Propagation  10.1049/iet-map.2016.0392

Yu C, Zeng Y, Yang B, Donnan R, Huang J, Xiong Z, Mahajan A, Shi B, Ye H, Binions R, Tarakina NV, Reece MJ and Yan H (2017). Titanium Dioxide Engineered for Near-dispersionless High Terahertz Permittivity and Ultra-low-loss. Sci Rep  vol. 7, (1) 10.1038/s41598-017-07019-9

Zeng Y, Edwards M, Stevens R, Bowen JJ, Donnan RS and Yang B (2017). Terahertz characterisation of UV offset lithographically printed electronic-ink. Organic Electronics: Physics, Materials, Applications  vol. 48, 382-388. 10.1016/j.orgel.2017.06.012

DONNAN RS, Sushko O, Dubrovka R, Pigeon M, Kreouzis T and Parini C (2017). Comparative Study of Sub-THz FSS Filters Fabricated by Inkjet Printing, Microprecision Material Printing, and Photolithography. Ieee  Ieee Transactions On Terahertz Science and Technology  vol. 7, (2) 184-190. 10.1109/TTHZ.2017.2662582


DONNAN RS, Tomlins PH and Rahman MW (2016). Dynamic measurement of local displacements within curing resin based dental composite using optical coherence elastography. Society of Photo-Optical Instrumentation Engineers (Spie)  Journal of Biomedical Optics  vol. 21, (4) 046001-1-046001-5. 10.1117/1.JBO.21.4.046001


Tian KV, Yang B, Yue Y, Bowron DT, Mayers J, Donnan RS, Dob√≥-Nagy C, Nicholson JW, Fang D-C, Greer AL, Chass GA and Greaves GN (2015). Atomic and vibrational origins of mechanical toughness in bioactive cement during setting. Nat Commun  vol. 6, 10.1038/ncomms9631

Sushko O, Dubrovka R and Donnan RS (2015). Erratum: Sub-terahertz spectroscopy reveals that proteins influence the properties of water at greater distances than previously detected [J. Chem. Phys. 142, 055101 (2015)]. J Chem Phys  vol. 142, (7) 10.1063/1.4913416

Sushko O, Dubrovka R and Donnan RS (2015). Sub-terahertz spectroscopy reveals that proteins influence the properties of water at greater distances than previously detected. J Chem Phys  vol. 142, (5) 10.1063/1.4907271

Huang JB, Yang B, Yu CY, Zhang GF, Xue H, Xiong ZX, Viola G, Donnan R, Yan HX and Reece MJ (2015). Microwave and terahertz dielectric properties of MgTiO3-CaTiO3 ceramics. Materials Letters  vol. 138, 225-227. 10.1016/j.matlet.2014.09.122


Wang Y, Yang B, Tian Y, Donnan RS and Lancaster MJ (2014). Micromachined thick mesh filters for millimeter-wave and terahertz applications. Ieee Transactions On Terahertz Science and Technology  vol. 4, (2) 247-253. 10.1109/TTHZ.2013.2296564

Tang J, Yang B, Llewellyn I, Cutler RR and Donnan RS (2014). Bacillus spores and their relevant chemicals studied by terahertz time domain spectroscopy. Springer Verlag  Chemical Physics Letters  vol. 592, 302-306. 10.1016/j.cplett.2013.12.061


Sushko O, Dubrovka R and Donnan RS (2013). Terahertz spectral domain computational analysis of hydration shell of proteins with increasingly complex tertiary structure. J Phys Chem B  vol. 117, (51) 16486-16492. 10.1021/jp407580y

Sun W, Yang B, Wang X, Zhang Y and Donnan R (2013). Accurate determination of terahertz optical constants by vector network analyzer of Fabry-Perot response. Opt Lett  vol. 38, (24) 5438-5441. 10.1364/OL.38.005438

Sushko O, Dubrovka R and Donnan RS (2013). Terahertz Spectral Domain Computational Analysis of Hydration Shell of Proteins with Increasingly Complex Tertiary Structure. Acs Publications  The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces and Biophysical  vol. 117, (51) 16486-16492. 10.1021/jp407580y

Sushko O, Dubrovka R and Donnan RS (2013). Interpretation of THz absorption spectra of dissolved proteins using molecular dynamics simulations. International Conference On Infrared, Millimeter, and Terahertz Waves, Irmmw-Thz  10.1109/IRMMW-THz.2013.6665665

Ilyashenko G, Al-Safadi R, Donnan R, Dubrovka R, Pancholi J, Watkinson M and Whiting A (2013). A synthesis of a 1,1?-desymmetrised ferrocene backbone and its facile one-pot double-click functionalisation. Rsc Advances  vol. 3, (38) 17081-17087. 10.1039/c3ra43054e

DONNAN RS, Pickersgill R, Krauss N, Yang B and Sushko O (2013). Lagrangian dynamics analysis of sub-THz skeletal absorption spectra of amino acids acquired by vector network analysis. Elsevier  Chemical Physics Letters  vol. 558, 104-108. 10.1016/j.cplett.2012.12.044

McIntosh A, Yang B, Goldup S and Wilkinson M (2013). Crystallization of Amorphous Lactose at High Humidity Studied by Terahertz Time Domain Spectroscopy. Elsevier/Science Direct  Chemical Physics Letters  vol. 558, 104-108. 10.1016/j.cplett.2012.12.044,

Sushko A, Shala K, Dubrovka R and DONNAN RS (2013). Revised metrology for enhanced accuracy in complex optical constant determination by THz-time-domain spectrometry. J Opt Soc Am a Opt Image Sci Vis  vol. 30, (5) 979-986. 10.1364/JOSAA.30.000979

Dubrovka RF, Sushko OY, Loftus TM, Yang B, Shala K and Donnan RS (2013). Recent advances in terahertz science at Queen Mary University of London. 2013 9th International Conference On Antenna Theory and Techniques, Icatt 2013  103-107. 10.1109/ICATT.2013.6650693


McIntosh AI, Yang B, Goldup SM, Watkinson M and Donnan RS (2012). Erratum: Terahertz spectroscopy: A powerful new tool for the chemical sciences? (Chemical Society Reviews (2012) 41 (2072-2082) DOI: 10.1039/c1cs15277g). Chemical Society Reviews  vol. 41, (24) 10.1039/C2CS90105F

Sushko O, Dubrovka R and Donnan RS (2012). Interpretive modeling of THz response of biomolecules as filter circuits. International Conference On Infrared, Millimeter, and Terahertz Waves, Irmmw-Thz  10.1109/IRMMW-THz.2012.6380335

McIntosh AI, Yang B, Goldup SM, Watkinson M and Donnan RS (2012). Terahertz spectroscopy: a powerful new tool for the chemical sciences? Chem Soc Rev  vol. 41, (6) 2072-2082. 10.1039/c1cs15277g


Liu X, Chen HJ, Yang B, Li D, Chen X, Wen D, Donnan R and Parini C (2011). Experimental characterization of gold nanoparticle suspensions at W band using a quasi-optical bench. Irmmw-Thz 2011 - 36th International Conference On Infrared, Millimeter, and Terahertz Waves  10.1109/irmmw-THz.2011.6104868

Yang B, Donnan RS, Dubrovka R and Tang WX (2011). Negative permeability characterization of gyrotropic hexaferrite in the millimeter wave band for engineering of double-negative devices. American Institute of Physics  Journal of Applied Physics  vol. 109, (10) 104505-104505-4. 10.1063/1.3590145

DONNAN R and Yang B (2011). Enhanced rapid and accurate sub-THz magneto-optical characterization of hexaferrite ceramics., Editors: Chantrell R. Elsevier  Journal of Magnetism and Magnetic Materials  vol. 323, (15) 1992-1997. 10.1016/j.jmmm.2011.02.042

DONNAN RS, Yang B, Dubrovka R and Tang W (2011). Negative Permeability Characterization of Gyrotropic Hexaferrite in the Millimeter Wave Band for Engineering of Double-Negative Devices. American Institute of Physics  Journal of Applied Physics  vol. 109, (10) 10.1063/1.3590145

DONNAN R, Yang B and Su H (2011). Vector network analysis of dielectric and magnetic material in the millimetre wave band. Iop Publishing  Journal of Physics  vol. 286 (1), (2011) 10.1088/1742-6596/286/1/012019

DONNAN RS, Yang B, Su H, Liu X and Shala K (2011). Complex Permittivity of Pure Water Measured by Vector Network Analysis at W-Band. Iop Publishing  Journal of Physics  vol. 1, (286) 10.1088/1742-6596/286/1/012005

DONNAN RS, Yang B, Zhou M and Kingravi A (2011). Reassessment of the Electromagnetic Reflection-Response of Human Skin at W-band. Optics Letters  vol. 36, (21) 4203-4205. 10.1364/OL.36.004203


Yu JS, Liu SH, Xu L, Liu XM, Su HS, Mai Y, Wei QG, Rieckmann C, Donnan R, Chen XD, Parini C, Miao JG and Bai M (2010). An Integrated Quasi-optical Analysis Method and Its Experimental Verification. J Infrared Millim Te  vol. 31, (2) 181-195. 10.1007/s10762-009-9578-3

Yang B, Wang X, Zhang Y and DONNAN R (2010). Experimental Characterization of Hexaferrite Ceramics from 100 GHz to 1THz Using Vector Network Analysis and THz-Time Domain Spectroscopy. American Institute of Physics  Journal of Applied Physics  vol. 109, (3) 10.1063/1.3544477

Yang B, Wylde RJ, Martin DH, DONNAN RS, Goy P and Caroopen S (2010). The determination of the gyrotropic characteristics of hexaferrite ceramics from 75 to 600 GHz using an ultra-wideband vector-network-analyser. Ieee Publishing Operations  Ieee Transactions On Microwave Theory and Techniques  vol. 58, (12) 3587-3597. 10.1109/TMTT.2010.2086290


Tang HY, Donnan RS and Kreouzis T (2007). An optically controlled phase shifter employing the organic semiconductor poly(3-hexylthiophene). Appl Phys Lett  vol. 91, (20) 10.1063/1.2806936

Foster PR, Ade PAR, Donnan R, Dupuy J and McNiff J (2007). Validation of design techniques on a quasi-optics test bench. Int J Infrared Milli  vol. 28, (7) 521-529. 10.1007/s10762-007-9230-z


PARINI CG, DONNAN RS and TANG H (2006). Zero inter-modulation product analogue phase-shifter employing fluid-filled connected micro-cavities. Iee Proc.-Microw. Antennas Propag., 

PARINI CG, DONNAN RS and TANG H (2006). Calculation Methodology and Sensitivity Analysis of Magneto-optical Constants of Gyromagnetic Material. Iee Proc.-Microw. Antennas Propag., 


DONNAN RS, Dupuy J, McNiff J, Foster PR and Ade PAR (2004). Measurements on a quasi-optical test bench. Int J. Infrared and Millimetre Waves 


Rieckmann C, Rayner MR, Parini CG, Martin DH and Donnan RS (2002). Novel modular approach based on Gaussian beam diffraction for analysing quasi-optical multi-reflector antennas. Iee P-Microw Anten P  vol. 149, (3) 160-167. 10.1049/ip-map:20020390

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