Patent application number | Description | Published |
20090009227 | High-Power Electric Pulse Generator - 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. | 01-08-2009 |
20090213614 | Device for Production of a Polychromatic Light over a Continuous Spectrum by Excitation at One Wavelength - A device for producing a polychromatic light including an optical pump that delivers a first radiation at a first wavelength; a light guide; and a selective injector that injects the radiation into the guide, the guide being arranged to generate a harmonic corresponding to the selected injector and provide a polychromatic light at an outlet, by non-linear excitation of the first radiation and the harmonic. | 08-27-2009 |
20100080523 | DOPED OPTICAL FIBRE WITH BROKEN SPACE SYMMETRY - The invention relates to a micro-structured optical fibre ( | 04-01-2010 |
20100158054 | LASER SYSTEM WITH PICOSECOND PULSE EMISSION - The invention relates to a device ( | 06-24-2010 |
20100309936 | PULSED MICROCHIP LASER - The invention relates to a passively triggered microchip laser ( | 12-09-2010 |
20110194812 | MICROSTRUCTURED OPTICAL FIBER AND A DEVICE FOR GENERATING BROADBAND WHITE LIGHT - A microstructured optical fiber for generating broadband white light having a core doped with germanium and silica cladding surrounding the core, the cladding including a plurality of holes arranged in the form of a regular mesh, wherein the diameter F of a hole in the cladding, the pitch L between the respective centers of two neighboring holes in the cladding, and the refractive index difference Dn between the germanium-doped fiber core and the silica of the cladding are such that the fiber can generate white light on the fundamental mode over a wavelength band having a width of at least 1000 nm. | 08-11-2011 |
20110206314 | Method for Generating a Spectral Broadband Source by Phase Matching Including Leaky Modes - The disclosure relates to an optical waveguide serving to propagate an original light signal, the optical waveguide including a non-linear waveguide first core that is suitable for generating leaky modes from the original light signal, the waveguide including at least a second core, the first core being included in the second core, the second core being arranged relative to the first core in such a manner as to confine at least the leaky modes generated by the first core from the original light signal outside the first core. By the above-described waveguide, in particular by the non-linearities of the first core of the waveguide, a light continuum can be generated inside the fiber by collinear phase matching. In addition, by Cerenkov effect, other wavelengths are generated by the wavelengths of the continuum by non-collinear phase matching. | 08-25-2011 |
20110291492 | VARIABLE-SPECTRUM HIGH POWER ELECTRICAL PULSE GENERATOR, AND FACILITY AND EQUIPMENT OPERATING SUCH A GENERATOR - 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. | 12-01-2011 |
20130058366 | PULSED SUPERCONTINUUM SOURCE OF VARIABLE PULSE DURATION - A supercontinuum source capable of emitting waves between the infrared range and the ultraviolet range, includes a pulsed laser source ( | 03-07-2013 |
20130271765 | LASER EMISSION DEVICE AND METHOD FOR THE SPECTROSCOPIC ANALYSIS OF A SAMPLE - According to one aspect, the invention relates to a laser emission device for the spectroscopic analysis of a sample, comprising: a primary laser source ( | 10-17-2013 |