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Emma MacPherson's Terahertz Research Group

Terabotics Publications

Journal Publications
  1. 'Effects of transdermal drug delivery patches on the stratum corneum: in vivo inspection with a handheld terahertz probe', Arthur I. Hernandez-Serrano, Xuefei Ding, Goncalo Costa, Gabit Nurumbetov, David M. Haddleton, and Emma Pickwell-MacPherson, Biomedical Optics Express, Vol. 15, issue 5, April 2024, DOI: 10.1364/BOE.513557Link opens in a new window
  2. 'Real-time millimeter wave holography with an arrayed detector', Penketh H, Ergoktas MS, Lawrence CR, Phillips DB, Cunningham JE, Hendry E, Mrnka M, Optics Express, Vol. 32, issue 4, January 2024, DOI: 10.1364/OE.513852Link opens in a new window
  3. 'Simultaneous Measurement Of Orthogonal Terahertz Fields via A Multiplexing Scheme', Huiliang Ou, R. I. Statchev, X. Chen, T. Blu, M. Semtsiv, W. T. Masselink, A. Hernandez Serrano, G. Costa, J. Young, N. Chopra, J. Lloyd-Hughes and E. MacPherson, Optics Express, Vol. 32, issue 4, January 2024, DOI: 10.1364/OE.505567Link opens in a new window
  4. 'Terahertz imaging through emissivity control', M. Mrnka, H. Penketh, I.R. Hooper, S. Saxena, N.E. Grant, J.D. Murphy, D.B. Phillips, E. Hendry, Optica, Vol. 10, issue 2, pp1641-1646 (2023), DOI: 10.1364/OPTICA.50393Link opens in a new window
  5. 'Optimum optical designs for diffraction-limited terahertz spectroscopy and imaging systems using off-axis parabolic mirrors', Chopra, N, Lloyd-Hughes, J, J. IR. mm THz, November 2023, DOI:

    https://doi.org/10.48550/arXiv.2309.10647Link opens in a new window

  6. 'Monitoring the Terahertz Response of Skin Beneath Transdermal Drug Delivery Patches Using Sparse Deconvolution', Barker, X. E. R., Costa, G., Stantchev, R. I., Hernandez-Serrano, A. I., Nurumbetov, G., Haddleton, D. M., & Pickwell-MacPherson, E, IEEE Transactions on Terahertz Science and Technology, July 2023, DOI: 10.1109/TTHZ.2023.3292546Link opens in a new window
  7. 'The 2023 Roadmap for Terahertz Science and Technology', J. Cunningham, M. B. Johnston, E. MacPherson (and 51 others), J. Phys. D 56 223001, April 2023, DOI:10.1088/1361-6463/acbe4cLink opens in a new window
  8. 'Active THz beam shaping using a one-dimensional array of photoconductive emitters', Chopra, N, Deveikis, J, Lloyd-Hughes, J, Appl. Phys. Lett. 122 061102, Feb 2023, DOI: 10.1063/5.0132207Link opens in a new window
  9. 'Terahertz photoconductance dynamics of semiconductors from sub-nanosecond to millisecond timescales', E. Butler-Caddle, N.E. Grant, S.L. Pain, J.D. Murphy, K.D.G.I. Jayawardena and J. Lloyd-Hughes, Appl. Phys. Lett. 122 012101, Jan 2023, DOI: 10.1063/5.0130721Link opens in a new window
  10. 'Efficient free-space to on-chip coupling of THz-bandwidth pulses for biomolecule fingerprint sensing', Qiu Y, Meng K, Wang W, Chen J, Cunningham J, Robertson I, Hong B, Wang GP, Optics Express 31.2 2373-2385, 2023, DOI:10.1364/OE.477664Link opens in a new window
  11. 'Engineering the carrier lifetime and switching speed in Si-based mm-wave photomodulators', I.R. Hooper, E. Khorani, X. Romain, L. E. Barr, T. Niewelt, S. Saxena, A. Wratten, N.E. Grant, J.D. Murphy, E. Hendry, Journal of Applied Physics, 132 233102 (2022), DOI: 10.1063/5.0128234Link opens in a new window
  12. 'Quantitative Evaluation of Transdermal Drug Delivery Patches on Human Skin with in vivo THz-TDS', X Ding, G Costa, A I Hernandez-Serrano, R I. Stantchev, G Nurumbetov, D M. Haddleton, and E Pickwell‑MacPherson, Biomedical Optics Express, Nov 2022, DOI: 10.1364/BOE.473097Link opens in a new window
  13. 'Validating S-parameter measurements of RF integrated circuits at milli-Kelvin temperatures', M Stanley, RS Parker‐Jervis, S de Graaf, T Lindström, J E Cunningham, N M Ridler, Electronics Letters, 2022, DOI:
    10.1049/ell2.12545Link opens in a new window
  14. 'Enhanced Terahertz Spectral-Fingerprint Detection of α-Lactose Using Sub-Micrometer-Gap On-Chip Waveguides', S J Park, RS Parker‐Jervis, J E Cunningham, Advanced Theory and Simulations, 2022, DOI: 10.1002/adts.202100428Link opens in a new window
  15. 'Design of a Split Ring Resonator Integrated with On-Chip Terahertz Waveguides for Colon Cancer Detection', S J Park, R Tucker, E Pickwell-MacPherson, J E Cunningham, Advanced Theory and Simulations, 2022, DOI: 10.1002/adts.202200313Link opens in a new window
  16. 'Simulated and Experimental Verification for a Terahertz Specific Finite Rate of Innovation Signal Processing Method', X Barker, R Stanchev, A I Hernandez-Serrano, E Pickwell-MacPherson. Sensors, 2022, DOI: 10.3390/s22093387Link opens in a new window
  17. 'Active Stabilization of Interventional Tasks Utilizing a Magnetically Manipulated Endoscope', L Barducci, B Scaglioni, J Martin, K Obstein, P Valdastri, Frontiers in Robotics & AI, 2022 DOI: 10.3389/frobt.2022.854081Link opens in a new window 
  18. 'Robotic Autonomy for Magnetic Endoscope Biopsy', J Martin, L Barducci, B Scaglioni, J Norton, C Winters, V Subramanian, A Arezzo, K Obstein, P Valdastri, IEEE Transactions on Medical Robotics and Bionics, 2022, DOI: 10.1109/TMRB.2022.3187028Link opens in a new window
  19. 'Tutorial: An introduction to terahertz time-domain spectroscopic ellipsometry', X Chen, E Pickwell-MacPherson, APL Photonics, 2022, DOI: 10.1063/5.0094056Link opens in a new window
  20. 'Towards Autonomous Robotic Minimally Invasive Ultrasound Scanning and Vessel Reconstruction on Non-Planar Surfaces', N Marahrens, B Scaglioni, D Jones, R Prasad, C S Biyani, P Valdastri, Frontiers in Robotics, 2022, DOI: 10.3389/frobt.2022.940062Link opens in a new window
  21. 'Multi-pixel photoconductive emitters for the controllable generation of azimuthal and radial terahertz beams', J Deveikis and J Lloyd-Hughes, Optics Express 2022, DOI: 10.1364/OE.473086Link opens in a new window 
  22. 'Unsupervised segmentation of biomedical hyperspectral image data: tackling high dimensionality with convolutional autoencoders', C Bench, J Nallala, C Wang, H Sheridan, and N Stone, Biomedical Optics Express, 2022, DOI: 10.1364/BOE.476233Link opens in a new window
  23. 'Active Stabilization of Interventional Tasks utilizing a Magnetically Manipulated Endoscope', L. Barducci, B. Scaglioni, J. Martin, K. L. Obstein, P. Valdastri, Frontiers in Robotics and AI, section Biomedical Robotics, 2022, Vol. 9, DOI: 10.3389/frobt.2022.854081Link opens in a new window
  24. 'Occlusion-Robust Autonomous Robotic Manipulation of Human Soft Tissues with 3D Surface Feedback', Junlei Hu, Dominic Jones, Mehmet Dogar, Pietro Valdastri, IEEE Transactions on Robotics 
Conference Proceedings

  1. ‘Multi-pixel Addressable Photoconductive Arrays for THz Beam Shaping and Polarization Control’, James Lloyd-Hughes, IRMMW-THz 2023, invited keynote speech, Montreal, Canada, September 2023 

  2. ‘Active multipixel photoconductive emitter technology for THz beam shaping and steering’, James Lloyd-Hughes, SPIE Optics 2023 invited talk, San Diego, USA, August 2023

  3. ‘Advances in THz in vivo imaging of skin’, Emma Pickwell-MacPherson, IWMTS 2023 invited keynote speech, Bohn, July 2023

  4. ‘Retrieving the Dynamic Hydration Profile of Skin in vivo with a Handheld THz Probe’, Xuefei Ding*; A. I. Hernandez-Serrano; Emma Pickwell-MacPherson, IRMMW-THz 2023, invited keynote talk

  5. ‘In-vivo Stratum Corneum Hydration Inspection Using A Non-invasive Terahertz Hand-held Scanner’, Arturo Hernandez Serrano; Emma Pickwell-MacPherson, IRMMW-THz 2023

  6. ‘Optical Alignment For Non-contact In Vivo THz Sensing’, Jacob Young; Emma Pickwell-Macphersone; Rakyo Stantchev, IRMMW-THz 2023

  7. ‘Terahertz Time-domain Spectroscopy For The Analysis Of Latex Film Formation’, Gonçalo Costa*1 ; Emily Brogden1 ; Jacob Young1 ; Arturo Hernandez-Serrano1 ; Rayko Stantchev2 ; Stefan Bon1 ; Emma MacPherson, IRMMW-THz 2023

  8. ‘Simultaneous Measurement Of Orthogonal Terahertz Fields Enabled Via A THz MODEM (modulator/ demodulator) Scheme’, Huiliang Ou; Rayko Stantchev; Mykhaylo Semtsiv; William Masselink; James Lloyd-Hughes; Emma MacPherson, IRMMW-THz 2023

  9. 'Coordinate Calibration of a Dual-Arm Robot System by Visual Tool Tracking ', Junlei Hu, Dominic Jones, Pietro Valdastri, ICRA 2023, DOI: 10.1109/ICRA48891.2023.10161239Link opens in a new window

  10. ‘In-vivo skin hydration sensing using a hand-held THz scanner’, Arturo I. Hernandez-Serrano, Xuefei Ding, and Emma Pickwell-MacPherson, CLEO 2023, Munich, Germany, June 2023. DOI: 10.1109/CLEO/Europe-EQEC57999.2023.10232721Link opens in a new window

  11. 'Soft Robotics for Early Detection and Treatment of Cancer', Keynote at the International Symposium on Medical Robotics (ISMR) 2023, Atlanta, GA,USA, April 2023 and Plenary at Advances in Robotics (AIR) 2023, Indian Institute of Technology Ropar, Punjab, India, July 2023 and Keynote at the Gordon Research Conference Robotics, Ventura, CA, USA, August 2022.
  12. 'Convolutional Neural Network Approach to THz Reflection Alignment', J Young, R I. Stantchev, A I Hernandez-Serrano, E Pickwell‑MacPherson, IEEE 47th International Conference on Infrared, Millimeter and Terahertz Waves, 2022, DOI: 10.1109/IRMMW-THz50927.2022.9895518Link opens in a new window
  13. 'Rapid s- & p- polarised THz spectroscopy for in-vivo measurements using a handheld scanner', H Ou, R I Stantchev, J Deveikis, N Chopra, A I Hernandez-Serrano, J Lloyd-Hughes, E Pickwell‑MacPherson, IEEE 47th International Conference on Infrared, Millimeter and Terahertz Waves, 2022, DOI: 10.1109/IRMMW-THz50927.2022.9896004Link opens in a new window
  14. 'Equipment optimization for time-domain THz single-pixel imaging', R I Stantchev, G Costa, E Pickwell‑MacPherson, IEEE 47th International Conference on Infrared, Millimeter and Terahertz Waves, 2022, DOI: 10.1109/IRMMW-THz50927.2022.9895723Link opens in a new window
  15. 'Dielectric response characterization of in vivo skin areas using a handheld THZ probe', A I Hernandez-Serrano, J Hardwicke, E Pickwell‑MacPherson, IEEE 47th International Conference on Infrared, Millimeter and Terahertz Waves, 2022, DOI: 10.1109/IRMMW-THz50927.2022.9895521Link opens in a new window
  16. 'Finite Rate of Innovation Theory Applied to Terahertz Signal Processing', X E R Barker, E Pickwell‑MacPherson, IEEE 47th International Conference on Infrared, Millimeter and Terahertz Waves, 2022, DOI: 10.1109/IRMMW-THz50927.2022.9895923Link opens in a new window
  17. 'Temperature-Dependent Dielectric Properties of Human Bone Constituents at THz Frequencies: Contrast Mechanisms and Bound Water Dynamics', N Chopra, N Shaw, L Lotkowska, C Sui, M Navarro-Cía and J Lloyd-Hughes, IEEE 47th International Conference on Infrared, Millimeter and Terahertz Waves, 2022, DOI: 10.1109/IRMMW-THz50927.2022.9896085Link opens in a new window
  18. 'Investigation of Hydrogel Skin Phantoms Using Terahertz Time-domain Spectroscopy', D Jayasankar, A I Hernandez-Serrano, R A Hand, J Stake, E Pickwell‑MacPherson, 52nd European Microwave Conference, 2022, DOI: 10.23919/EuMC54642.2022.9924308Link opens in a new window
  19. 'Magnetic tentacle robots for enhanced endoluminal access', invited talk in the “Robotic Capsules for Gut” Special Session at the International Conference on Manipulation, Automation and Robotics at Small Scales (MARSS) 2022, Toronto, Canada, July 2022
  20. 'Exploring Autonomy in Robotic Colonoscopy', invited talk in the “Recent Advances in Autonomous Surgery: emerging AI technologies towards machine consciousness and robotic awareness in the surgical field” workshop at The Hamlyn Symposium on Medical Robotics 2022, London, UK, June 2022
  21. 'Lifesaving Capsule Robots – Taking the GI Tract by STORM', invited Keynote in the AGA Translational Symposium “Journey Through GI via AI”, Digestive Disease Week (DDW) 2022, San Diego, CA, USA, May 2022