In 2019, Prof Ventsislav Valev’s team published the first experimental results on effects predicted by David Andrews in 1979. The work demonstrated that upon illuminating chiral (twisted) nanoparticles with circularly polarised light, the intensity of light scattered at the second-harmonic frequency can reveal the direction of twist within the nanoparticles. This effect is considered to be of fundamental scientific importance, as it is the most direct expression of chirality, in nonlinear optics; it could also pave the way for wide-ranging applications in materials science and new drug technology.
The Thomas Young Medal has been awarded since 1941 for contributions to the science of optics. On receiving this award, Prof Andrews said: “It is a tremendous honour to be a joint recipient of this award, and a special delight to share it with Professor Valev whose experiments finally unlocked the potential of UEA work on such optical effects.”
The Institute of Physics (IOP) is the professional body for physics and the leading body for practising physicists in the UK and Ireland; the IOP Awards celebrate physicists at every stage of their career; from those just starting out, physicists at the peak of their careers, and those with a distinguished career behind them.
Prof Andrews’ work at UEA has spanned a career of more than 40 years, resulting in more than 400 research papers. He is a Fellow of the Institute of Physics, the Royal Society of Chemistry, Optica, and SPIE – the international society for Optics and Photonics.
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