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Emma MacPherson's Terahertz Research Group

Terabotics Publications

Journal Publications
  1. 'Transport of skyrmions by surface acoustic waves', Jintao Shuai, Luis Lopez-Diaz, John Cunningham, Thomas Moore, Appl. Phys. Lett. 124, 202407 (2024), DOI: 10.1063/5.0207929Link opens in a new window
  2. 'High-sensitivity THz evanescent field sensing of biomolecules using on-chip systems', Binbin Hong, Kun Meng, Yanbing Qui, Zhaohui Zeng, Ian Robertson, John Cunningham, Nutapong Somjit, Appl. Phys. Lett. 125, 191107 (2024), DOI: 10.1063/5.0242585Link opens in a new window
  3. 'Electrically tunable Si-based THz photomodulator using dielectric/polymer surface gating', X. Romain, P.R. Wilshaw, R.I. Stanchev, T. Miao, S. Mou, T. Niewelt, S. McNab, S.L. Pain, N.E. Grant, R.S. Bonilla, E. Pickwell-MacPherson, J.D. Murphy, IEEE Transactions on Terahertz Science and Technology, pp.1-8 (2024), DOI: 10.1109/TTHZ.2024.3477983Link opens in a new window
  4. 'Realistic Surgical Image Dataset Generation Based on 3D Gaussian Splatting', Zeng T, Loza Galindo G, Hu J, Valdastri P, Jones D, Medical Image Computing and Computer Assisted Intervention – MICCAI 2024 - 27th International Conference, Marrakesh, Morocco, October 6–10, 2024, Proceedings, Part VI. pp. 510-519), DOI:10.1007/978-3-031-72089-5_48Link opens in a new window
  5. 'An Ultrasound-Guided System for Autonomous Marking of Tumor Boundaries During Robot-assisted Surgery', N. Marahrens, Jones D, Murasovs N, Biyani C, Valdastri P, IEEE Transactions on Medical Robotics and Bionics, DOI: 10.1109/TMRB.2024.3468397Link opens in a new window
  6. 'External Steering of Vine Robots via Magnetic Actuation', Kim N, Greenidge N, Davy J, Park S, Chandler J, Ryu J, Valdastri P, Soft Robotics, DOI: 10.1089/soro.2023.0182Link opens in a new window
  7. 'The adult large bowel: describing environment morphology for effective biomedical device development', J Norton, Martin J, Winters C, Scaglioni B, Obstein K, Subramanian V, Valdastri P, Progress in Biomedical Engineering, Vol. 6, issue 3, August 2024, DOI: 10.1088/2516-1091/ad6dbfLink opens in a new window
  8. 'In vivo terahertz sensing of psoriasis and eczema patients', Jacob J. Young, Arturo I. Hernandez-Serrano, Joseph Hardwicke, Emma Pickwell-MacPherson, Sci Rep 14, 17546 (2024) DOI: 10.1038/s41598-024-68106-2Link opens in a new window
  9. 'Variation of skin hydration profile with biophysical factors and lifestyle revealed by in vivo terahertz sensing', Xuefei Ding, A. I. Hernandez-Serrano, Jacob J. Young, and Emma Pickwell-MacPherson, Biomedical Optics Express, Vol. 15, issue 9, pp. 5180-5198 (2024), DOI: 10.1364/BOE.527731Link opens in a new window
  10. 'Asynchronous optical sampling of on-chip terahertz devices for real-time sensing and imaging applications', C. D. W. Mosley, R. Tucker, J. P. R. Nixon, S. J. Park, L. H. Li, J. R. Freeman, C. D. Wood, E. H. Linfield, A. G. Davies, J. E. Cunningham, Optics Express, Vol. 32, issue 16, pp. 27940-27949 (2024), DOI: 10.1364/OE.529890Link opens in a new window
  11. 'Vine Robots With Magnetic Skin for Surgical Navigations', Davy J, Greenidge N, Kim S, Tinsley L, Lloyd P, Chandler J, Harris R, Morimoto T, Valdastri P, IEEE Robotics and Automation Letters, Vol. 9, issue 8, June 2024, DOI: 10.1109/LRA.2024.3412637Link opens in a new window
  12. 'Real-time surgical tool detection with multi-scale positional encoding and contrastive learning', Loza G, Valdastri P, Ali S, Healthcare technology letters: Vol. 11, issue 2-3, April-June 2024, DOI: 10.1049/htl2.12060Link opens in a new window
  13. 'Effect 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
  14. 'Terahertz probe for real time in vivo skin hydration evaluation', Arturo I. Hernandez-Serrano, Xuefei Ding, Jacob Young, Goncalo Costa, Anubhav Dogra, Joseph Hardwicke, Emma Pickwell-MacPherson. Advanced Photonics Nexus, Vol. 3, Issue 1, Feb 2024.
  15. '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
  16. 'Simultaneous measurement Of orthogonal terahertz fields via an emmission 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
  17. '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
  18. '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

  19. 'Surface acoustic wave effect on magnetic domain wall dynamics', Shuai J, Lopez-Diaz L, Cunningham J, Moore T, Physical Review B 108 104422, Vol. 18, issue 10, September 2023, DOI: 10.1103/PhysRevB.108.104420Link opens in a new window
  20. 'High wavenumber Raman spectroscopy for intraoperative assessment of breast tumour margins', Haskell J, Hubbard T, Murray C, Gardner B, Ives C, Ferguson D, Stone N, Analyst, Vol. 148, issue 18, pp. 4373-4385, DOI: 10.1039/d3an00574g Link opens in a new window
  21. 'Determination of the Permittivity of Transmission lines at Milli-Kelvin temperatures', Stanley M, Parker-Jervis R, Skinner J, De Graaf S, Lindstrom T, Cunningham J, Ridler N, IEEE Access 11 (2023) 60626-60634, DOI: 10.1109/ACCESS.2023.3286374Link opens in a new window
  22. '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
  23. 'Separation of Heating and Magnetoelastic Coupling Effects in Surface-Acoustic-Wave-Enhanced Creep of Magnetic Domain Walls', Shuai J, Hunt R, Moore T, Cunningham J, Phys. Rev. Applied Vol. 20, issue 1, July 2023, DOI: doi.org/10.1103/PhysRevApplied.20.014002Link opens in a new window
  24. 'Independent Control of Two Magnetic Robots using External Permanent Magnets: A Feasibility Study', Davy J, da Veiga T, Pittiglio G, Chandler J, Valdastri P, IEEE Xplore, May 2023, DOI: 10.1109/ISMR57123.2023.10130246Link opens in a new window
  25. '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
  26. '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
  27. '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
  28. '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
  29. '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
  30. '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
  31. '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
  32. '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
  33. '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
  34. '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
  35. '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 
  36. '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
  37. '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
  38. '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
  39. '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 
  40. '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
  41. '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
  42. '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. 'In vivo pilot study of psoriasis using Terahertz sensing', Jacob Young, IRMMW-THz 2024Link opens in a new window, Perth, Western Australia, September 2024
  2. 'Application Of Frequency-Wavelet Domain Deconvolution To In Vivo THz Skin Measurements', Connor Mosley, IRMMW-THz 2024Link opens in a new window, Perth, Western Australia, September 2024
  3. 'Physics Informed Model For Classification Of Dry Skin Using THz-TDS Signals', Agrima Agarwal, IRMMW-THz 2024Link opens in a new window, Perth, Western Australia, September 2024
  4. 'Low Aberration Optical Design To Maximise The Bandwidth Of THz Time-Domain Spectroscopy', Nishtha Chopra, IRMMW-THz 2024Link opens in a new window, Perth, Western Australia, September 2024
  5. '2D Hydration Map Extraction Of Latex Film Formation Via THz-TDS', Rayko Stantchev, IRMMW-THz 2024Link opens in a new window, Perth, Western Australia, September 2024
  6. ‘Electrically tuneable silicon-based photomodulator for THz applications’, Xavier Romain, Materials Research Society Spring meeting, poster presentation, Seattle, USA, May 2024
  7. ‘Optical design guide for diffraction-limited THz spectroscopy and imaging using off-axis parabolic mirrors’, poster presented by Nishtha Chopra, Optical THz Science and Technology, Marburg, Germany, April 2024
  8. ‘Terahertz devices, spectroscopy and imaging at Warwick’, Invited talk presented by James Lloyd-Hughes, Joint EPSRC-DFG Workshop on Integrated THz systems, Leeds, UK, 29 February - 1 March 2024

  9. ‘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, DOI: 10.1109/IRMMW-THz57677.2023.10299067Link opens in a new window

  10. ‘Active multipixel photoconductive emitter technology for THz beam shaping and steering’, James Lloyd-Hughes, IRMMW-THz 2023, Montreal, Canada, September 2023, DOI: 10.1109/IRMMW-THz57677.2023.10299257Link opens in a new window

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

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

  13. ‘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

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

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

  16. ‘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

  17. ‘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, Montreal, Canada, September 2023. Runner-up in best student contribution award. DOI:10.1109/IRMMW-THz57677.2023.10298872Link opens in a new window 

  18. 'Coordinate Calibration of a Dual-Arm Robot System by Visual Tool Tracking ', Junlei Hu, Dominic Jones, Pietro Valdastri, ICRA 2023

  19. ‘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

  20. 'Multi-Pixel Photoconductive THz Emitters for Active Beam Shaping and Polarisation Control’, talk presented by James Lloyd-Hughes, CLEO 2023, San Jose, May 2023
  21. '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.
  22. '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
  23. '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
  24. '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
  25. '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
  26. '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
  27. '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
  28. '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
  29. '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
  30. '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
  31. '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