| 10 Gb/s optical differential quadrature phase shift key (DQPSK) transmission using GaAs/AlGaAs integration RA Griffin, RI Johnstone, RG Walker, J Hall, SD Wadsworth, K Berry, ... Optical Fiber Communication Conference, FD6, 2002 | 180 | 2002 |
| Integrated DQPSK transmitter for dispersion-tolerant and dispersion-managed DWDM transmission R Griffin, R Johnstone, R Walker, S Wadsworth, A Carter, M Wale OFC 2003 Optical Fiber Communications Conference, 2003., 770-771, 2003 | 51 | 2003 |
| IPEM topical report: guidance on the use of MRI for external beam radiotherapy treatment planning R Speight, M Dubec, CL Eccles, B George, A Henry, T Herbert, ... Physics in Medicine & Biology 66 (5), 055025, 2021 | 29 | 2021 |
| Photonic integrated device R Griffin, RG Walker, RI Johnstone US Patent 7,035,486, 2006 | 28 | 2006 |
| Integrated devices for advanced modulation formats RA Griffin, RG Walker, RI Johnstone Proc. IEEE/LEOS Workshop Advanced Modulation Formats, 39-40, 2004 | 23 | 2004 |
| Integrated 10 Gb/s chirped return-to-zero transmitter using GaAs-AlGaAs modulators RA Griffin, RG Walker, RI Johnstone, R Harris, NMB Perney, ... OFC 2001. Optical Fiber Communication Conference and Exhibit. Technical …, 2001 | 23 | 2001 |
| IPEM topical report: a 2018 IPEM survey of MRI use for external beam radiotherapy treatment planning in the UK R Speight, MA Schmidt, GP Liney, RI Johnstone, CL Eccles, M Dubec, ... Physics in Medicine & Biology 64 (17), 175021, 2019 | 22 | 2019 |
| Practical issues and limitations of brain attenuation correction on a simultaneous PET-MR scanner JE Mackewn, J Stirling, S Jeljeli, SM Gould, RI Johnstone, I Merida, ... EJNMMI physics 7, 1-17, 2020 | 15 | 2020 |
| IPEM Topical Report: An international IPEM survey of MRI use for external beam radiotherapy treatment planning R Speight, M Tyyger, MA Schmidt, G Liney, R Johnstone, CL Eccles, ... Physics in Medicine & Biology 66 (7), 075007, 2021 | 14 | 2021 |
| Assessment of tissue edema in patients with acute myocardial infarction by computer‐assisted quantification of triple inversion recovery prepared MRI of the myocardium RI Johnstone, JP Greenwood, JD Biglands, S Plein, JP Ridgway, ... Magnetic Resonance in Medicine 66 (2), 565-574, 2011 | 12 | 2011 |
| Audit feasibility for geometric distortion in magnetic resonance imaging for radiotherapy M Alzahrani, DA Broadbent, R Chuter, B Al-Qaisieh, S Jackson, H Michael, ... Physics and imaging in radiation oncology 15, 80-84, 2020 | 11 | 2020 |
| Polarization rotators RI Johnstone, RG Walker, RA Griffin US Patent 7,204,932, 2007 | 10 | 2007 |
| Guidance on the use of MRI for treatment planning in radiotherapy clinical trials RI Johnstone, T Guerrero-Urbano, A Michaelidou, T Greener, E Miles, ... British Journal of Radiology, 20190161, 2019 | 5 | 2019 |
| Optical modulator R Johnstone, R Powell, R Griffin, R Walker, B Buck US Patent App. 11/005,696, 2005 | 5 | 2005 |
| Gb/s optical differential quadrature phase shift key (DQPSK) transmission using GaAs RA Griffin, RL Johnstone, RG Walker, J Hall, SD Wadsworth, K Berry, ... AlGaAs integration, OFC, 2002 | 5 | 2002 |
| Integrated high-functionality GaAs modulators for 10 & 40 Gb/s transmission RG Walker, RA Griffin, RD Harris, RI Johnstone, NMB Perney, ... Integrated Photonics Research, IME3, 2001 | 4 | 2001 |
| The Advancing Role of the Radiographer/Radiation Therapist in the Vaginal Vault HDR Brachytherapy Service at Guy’s and St Thomas’ NHS Foundation Trust, London, UK C Nahab, S Aldridge, EL Jones, N Bozic, R Johnstone, A Winship, ... Brachytherapy 15, S107-S108, 2016 | 1 | 2016 |
| IPEM Guidelines on the use of MRI for external beam radiotherapy treatment planning R Speight, M Dubec, CL Eccles, B Georg, A Henry, T Herbert, ... | | 2021 |
| Assessment of geometric distortion of eleven clinical MRI scanners across the UK M Alzahrani, D Broadbent, R Chuter, B Al-Qaisieh, SJ Jackson, M Hutton, ... | | 2020 |
| An IPEM international survey of MRI use for external beam RT treatment planning R Speight, M Tyyger, MA Schmidt, GP Liney, RI Johnstone, CL Eccles, ... | | 2020 |
