Lourenço-Martins, HugoHugoLourenço-MartinsGérard, DavyDavyGérardKociak, MathieuMathieuKociak2021-04-142021-04-142021https://resolver.sub.uni-goettingen.de/purl?gro-2/82663enOptical polarization analogue in free electron beamsjournal_article10.1038/s41567-021-01163-w