TY  - RPRT
TI  - Efficiency-optimized relativistic plasma harmonics for extreme fields
AU  - Timmis, Robin J. L. [University of Oxford (United Kingdom)] (ORCID:0000000222419633)
AU  - Fitzpatrick, Colm R. J. [Queen’s University Belfast (United Kingdom)] (ORCID:0009000990633779)
AU  - Kennedy, Jonathan P. [Queen’s University Belfast (United Kingdom)] (ORCID:0000000346223288)
AU  - Huddleston, Holly M. [Queen’s University Belfast (United Kingdom)] (ORCID:0009000951453185)
AU  - Denis, Elliott [University of Oxford (United Kingdom)]
AU  - James, Abigail [University of Oxford (United Kingdom)]
AU  - Baird, Chris [Rutherford Appleton Laboratory, Didcot (United Kingdom)] (ORCID:0000000199737173)
AU  - Symes, Dan [Rutherford Appleton Laboratory, Didcot (United Kingdom)]
AU  - McGonegle, David [AWE, Reading (United Kingdom)] (ORCID:0000000153291081)
AU  - Atonga, Eduard [University of Oxford (United Kingdom)]
AU  - Martin, Heath [University of Oxford (United Kingdom)] (ORCID:0000000342142683)
AU  - Rebenstock, Jeremy [University of Michigan, Ann Arbor, MI (United States)]
AU  - Neely, John [AWE, Reading (United Kingdom)]
AU  - Lee, Jordan [University of Oxford (United Kingdom)]
AU  - Redfern, Joshua [University of Oxford (United Kingdom)]
AU  - Bourgeois, Nicolas [Rutherford Appleton Laboratory, Didcot (United Kingdom)]
AU  - Finlay, Oliver [Rutherford Appleton Laboratory, Didcot (United Kingdom)] (ORCID:0000000200266584)
AU  - Ruskov, Rusko [University of Oxford (United Kingdom)]
AU  - Astbury, Sam [Rutherford Appleton Laboratory, Didcot (United Kingdom)] (ORCID:0000000349429812)
AU  - Hawkes, Steve [Rutherford Appleton Laboratory, Didcot (United Kingdom)]
AU  - Zhang, Zixin [University of Oxford (United Kingdom)]
AU  - Zepf, Matt [Helmholtz Institute Jena (Germany); Friedrich Schiller University, Jena (Germany); GSI, Darmstadt (Germany)]
AU  - Krushelnick, Karl [University of Michigan, Ann Arbor, MI (United States)]
AU  - Gumbrell, Edward [AWE, Reading (United Kingdom)]
AU  - Rajeev, Paramel Pattathil [Rutherford Appleton Laboratory, Didcot (United Kingdom)]
AU  - Yeung, Mark [Queen’s University Belfast (United Kingdom)] (ORCID:0000000283946496)
AU  - Dromey, Brendan [Queen’s University Belfast (United Kingdom)] (ORCID:0000000184213801)
AU  - Norreys, Peter [University of Oxford (United Kingdom)] (ORCID:0000000255399464)
PY  - 2026
DO  - 10.1038/s41586-026-10400-2
UR  - https://www.osti.gov/biblio/3365532
ID  - 3365532
ER  -