| A random phased array device for delivery of high intensity focused ultrasound JW Hand, A Shaw, N Sadhoo, S Rajagopal, RJ Dickinson, LR Gavrilov Physics in Medicine & Biology 54 (19), 5675, 2009 | 147 | 2009 |
| Ultrasound Waveguide M Watson, G Corner, K Kirk, A Cochran, D Lines, S Rajagopal US Patent App. 11/629,568, 2008 | 85 | 2008 |
| Reference characterisation of sound speed and attenuation of the IEC agar-based tissue-mimicking material up to a frequency of 60 MHz S Rajagopal, N Sadhoo, B Zeqiri Ultrasound in medicine & biology 41 (1), 317-333, 2015 | 64 | 2015 |
| The practicalities of obtaining and using hydrophone calibration data to derive pressure waveforms AM Hurrell, S Rajagopal IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 64 …, 2016 | 54 | 2016 |
| Acoustic assessment of a konjac–carrageenan tissue-mimicking material at 5–60 MHz DA Kenwright, N Sadhoo, S Rajagopal, T Anderson, CM Moran, ... Ultrasound in Medicine & Biology 40 (12), 2895-2902, 2014 | 20 | 2014 |
| Laser generated ultrasound sources using carbon-polymer nanocomposites for high frequency metrology S Rajagopal, T Sainsbury, BE Treeby, BT Cox The Journal of the Acoustical Society of America 144 (2), 584-597, 2018 | 15 | 2018 |
| 100 MHz bandwidth planar laser-generated ultrasound source for hydrophone calibration S Rajagopal, BT Cox Ultrasonics 108, 106218, 2020 | 14 | 2020 |
| A comparison between heterodyne and homodyne interferometry to realise the SI unit of acoustic pressure in water T Koukoulas, S Robinson, S Rajagopal, B Zeqiri Metrologia 53 (2), 891, 2016 | 14 | 2016 |
| A copolymer-in-oil tissue-mimicking material with tuneable acoustic and optical characteristics for photoacoustic imaging phantoms L Hacker, J Joseph, AM Ivory, MO Saed, B Zeqiri, S Rajagopal, ... IEEE Transactions on Medical Imaging 40 (12), 3593-3603, 2021 | 13 | 2021 |
| Report on BIPM/CIPM key comparison CCAUV. U-K4: Absolute calibration of medical hydrophones in the frequency range 0.5 MHz to 20 MHz S Rajagopal, CR Fury, B Zeqiri, M Brandt, V Wilkens, C Koch, Y Matsuda, ... Metrologia 53 (1A), 09004, 2016 | 12 | 2016 |
| The buoyancy method—a potential new primary ultrasound power standard S Rajagopal, A Shaw Metrologia 49 (3), 327, 2012 | 12 | 2012 |
| Measurement of the temperature-dependent output of lead zirconate titanate transducers M Bakaric, P Fromme, A Hurrell, S Rajagopal, P Miloro, B Zeqiri, BT Cox, ... Ultrasonics 114, 106378, 2021 | 10 | 2021 |
| Systematic evaluation of a secondary method for measuring diagnostic-level medical ultrasound transducer output power based on a large-area pyroelectric sensor B Zeqiri, G Žauhar, S Rajagopal, A Pounder Metrologia 49 (3), 368, 2012 | 10 | 2012 |
| Primary ultrasonic interferometer photodiode characterization using frequency-modulated laser wavefront radiation T Koukoulas, S Rajagopal, S Robinson, B Moss, B Zeqiri, P Theobald Metrologia 50 (6), 572, 2013 | 9 | 2013 |
| Development and investigation of the acoustic properties of tissue-mimicking materials for photoacoustic imaging techniques AM Ivory, A Shah, S Rajagopal, B Zeqiri 2019 IEEE International Ultrasonics Symposium (IUS), 1489-1492, 2019 | 8 | 2019 |
| 2F-4 A Fabry-Perot Fibre-Optic Hydrophone for the Measurement of Ultrasound Induced Temperature Change P Morris, A Hurrell, E Zhang, S Rajagopal, P Beard 2006 IEEE Ultrasonics Symposium, 536-539, 2006 | 8 | 2006 |
| Calibration of miniature medical ultrasonic hydrophones for frequencies in the range 100 to 500 kHz using an ultrasonically absorbing waveguide S Rajagopal, B Zeqiri, PN Gélat IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 61 …, 2014 | 7 | 2014 |
| Inter-laboratory comparison of HITU power measurement methods and capabilities KV Jenderka, G Durando, B Karaböce, S Rajagopal, A Shaw Journal of Physics: Conference Series 279 (1), 012015, 2011 | 6 | 2011 |
| Modelling laser ultrasound waveforms: The effect of varying pulse duration and material properties S Rajagopal, BT Cox The Journal of the Acoustical Society of America 149 (3), 2040-2054, 2021 | 5 | 2021 |
| Calibration of acoustical devices through particle motion measurements in air and water using laser based methods T Koukoulas, B Piper, S Rajagopal, S Robinson, B Zeqiri Proceedings, 22nd International Congress on Sound and Vibration, Florence …, 2015 | 5 | 2015 |
Bajram ZeqiriNPL Fellow, National Physical LaboratoryVerified email at npl.co.uk
