Schematic of coherent synchrotron radiation (cone on the right) by excitation of surface plasmon polarity inside a microtube surface (light grey), driven by a circularly polarized laser pulse (yellow).

From the article:

Coherent Synchrotron Radiation by Excitation of Surface Plasmon Polariton on Near-Critical Solid Microtube Surface
Bifeng Lei, Hao Zhang, Daniel Seipt, Alexandre Bonatto, Bin Qiao, Javier Resta-López, Guoxing Xia, and Carsten Welsch
Phys. Rev. Lett. 135, 205001 (2025)

View Issue Table of Contents