A history of high-power laser research and development in the United Kingdom
High Power Laser Science and Engineering Cambridge University Press 9 (2021) e18
Abstract:
The first demonstration of laser action in ruby was made in 1960 by T. H. Maiman of Hughes Research Laboratories, USA. Many laboratories worldwide began the search for lasers using different materials, operating at different wavelengths. In the UK, academia, industry and the central laboratories took up the challenge from the earliest days to develop these systems for a broad range of applications. This historical review looks at the contribution the UK has made to the advancement of the technology, the development of systems and components and their exploitation over the last 60 years.Transition between instability and seeded self-modulation of a relativistic particle bunch in plasma
Physical Review Letters American Physical Society 126:16 (2021) 164802
Abstract:
We use a relativistic ionization front to provide various initial transverse wakefield amplitudes for the self-modulation of a long proton bunch in plasma. We show experimentally that, with sufficient initial amplitude [≥(4.1±0.4) MV/m], the phase of the modulation along the bunch is reproducible from event to event, with 3%-7% (of 2π) rms variations all along the bunch. The phase is not reproducible for lower initial amplitudes. We observe the transition between these two regimes. Phase reproducibility is essential for deterministic external injection of particles to be accelerated.Meter-scale conditioned hydrodynamic optical-field-ionized plasma channels
SPIE, the international society for optics and photonics (2021) 1
EuPRAXIA Conceptual Design Report (vol 229, pg 3675, 2020)
EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS 229:1 (2021) 4285-4287