Centre National De La Recherche Scientifique

Université De Limoges

Institut Franco-allemand De Recherches De Saint-louis

Centre National De La Recherche Scientifique-cnrs

Bertrand Vergne

Vincent Couderc

Alain Barthelemy

Patrick Brunel

Paul-Henri Pioger

Philippe Leveque

Dominique Gontier

The present disclosure relates to a high-voltage pulse generator including a 'frozen-wave' generation system for generating high-voltage pulses and a trigger system for triggering the pulses, the generation system including a first and a second photoconductor element, wherein the triggering system includes means for generating a laser light beam and means for splitting the laser beam into two laser beam fractions, each laser beam fraction being directed onto a photoconductor element of the generation system, the splitting means being capable of controlling the distribution of the respective powers of the two laser beam fractions as a function of the orientation of the polarization of the laser beam. The present disclosure also relates to a facility comprising multiple high-voltage pulse generators and electrooptic pump-probe equipment operating such a high-voltage pulse generator.

Variable-spectrum high-power electrical pulse generator, and facility and equipment operating such a generator

The invention relates to a device () for generating short pulses, said device being characterized in that it comprises: a polarized pulse laser () having a polarization direction; a bi-refringent optical fiber () having bi-refringence axes, wherein said polarization direction is not co-linear with said bi-refringence axes; an output polarizer () provided at the output of said fiber, said polarizer being capable of selecting a polarization at the output of said fiber; wherein said pulse laser in a longitudinally quasi-single mode laser.

Laser system with picosecond pulse emission

A high power electric pulse generator includes a charge storage device, a high voltage source for charging the charge storage device, a first photoconductor element connected to the reference potential and to the storage device, a second photoconductor element connected to the storage device and to a useful load, a first light source for delivering a pulse of light to the first photoconductor, a second light source for delivering a pulse of light to the second photoconductor and a synchronization device for synchronizing the emission delay between the first light source and the second light source. The first photoconductor and the second photoconductor are passive semiconductor elements with a linear regime forming photosensitive switches, with the first and second photoconductors being doped silicon photoconductors.

High-power electric pulse generator

Growing community of inventors

Limoges, France

Bertrand Vergne