A. Variola

Femtosecond Enhancement Cavities in the Nonlinear Regime

High-harmonic generation at 250  MHz with photon energies exceeding 100  eV

Megawatt-scale average-power ultrashort pulses in an enhancement cavity

Direct regenerative amplification of femtosecond pulses to the multimillijoule level

Temporal solitons in free-space femtosecond enhancement cavities

Ultrabroadband terahertz source and beamline based on coherent transition radiation

Balancing of thermal lenses in enhancement cavities with transmissive elements

A concept for multiterawatt fibre lasers based on coherent pulse stacking in passive cavities

Energy scaling of Kerr-lens mode-locked thin-disk oscillators

Transition radiation in the pre-wave zone

Non-planar four-mirror optical cavity for high intensity gamma ray flux production by pulsed laser beam Compton scattering off GeV-electrons

External cavity enhancement of picosecond pulses with 28,000 cavity finesse

Resolution power of optical transition radiation: Theoretical considerations