1.

Coherent Light with Tunable Polarization from Single-Pass Free-Electron Lasers

In this paper, we characterize the polarization of the FEL emission as a function of the undulator phase, and we demonstrate the possibility to generate FEL light with arbitrary polarization.

COBISS.SI-ID: vpis v por

2.

Experimental demonstration of frequency pulling in single-pass free-electron lasers

Frequency pulling is a well-known phenomenon leading to an output wavelength shift in a conventional laser, when the cavity and the maximum gain frequencies are detuned. We demonstrate experimentally that a similar mechanism is at play in a seeded free-electron laser.

COBISS.SI-ID: še ni vpis

3.

Polarization Tunability at FERMI@Elettra. First Tests and Perspectives

We report results, which demonstrate that the light generated by the FERMI@Elettra free-electron laser is characterized by fully tunable polarization.

COBISS.SI-ID: še ni v CO