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 |
20100158054 | LASER SYSTEM WITH PICOSECOND PULSE EMISSION - The invention relates to a device ( | 06-24-2010 |
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 |
20110273711 | Device and Method for Determining a Piece of Polarisation Information and Polarimetric Imaging Device - The invention relates to a method and to a device for determining a piece of polarisation information on a measurement point of a target sample, the device comprising: -a light source capable of emitting a rectilinearly polarised light beam in a predefined direction, the light beam being intended to be reflected by the measurement point of the target sample; -a unit for computing the piece of polarisation information on the measurement point using the beam reflected by the target sample; -a waveguide for guiding the incident beam towards the target sample and the reflected beam towards the computing means; and -a unit for rotating the polarisation, capable of rotating two orthogonal polarimetric components of the incident beam exiting the waveguide and two orthogonal polarimetric components of the reflected beam before passing through the waveguide. | 11-10-2011 |
20110292389 | Device and Method for Determining a Piece of Polarisation Information and Polarimetric Imaging Device - The invention relates to a method and to a device for determining at least one piece of polarisation information on a measurement point of a target sample, the device comprising: —a light source capable of emitting a rectilinearly polarised light beam, the light beam being intended to be reflected by the measurement point; —a means for computing polarisation information on the measurement point using the beam reflected by the target sample; —at least one waveguide for guiding the incident beam towards the target sample and the reflected beam towards the computing means; and—a means for rotating the polarisation, capable of rotating two orthogonal polarimetric components of the incident beam after passing through the waveguide and two orthogonal polarimetric components of the reflected beam before passing through the waveguide. | 12-01-2011 |
20120262772 | Device and Process for Forming Laser Pulses - The invention relates to a device for forming laser pulses comprising: an input for a pulsed laser beam; a spatial phase modulator ( | 10-18-2012 |
20130121364 | LASER CAVITY WITH CENTRAL EXTRACTION BY POLARISATION FOR COHERENT COUPLING OF INTENSE INTRA-CAVITY BEAMS - The invention relates to a laser cavity with central extraction by polarisation for coherent coupling of intense intra-cavity beams. The laser cavity ( | 05-16-2013 |
20130188244 | METHOD AND DEVICE FOR AMPLIFYING AN OPTICAL SIGNAL - According to the invention, the optical signal (SE) is spatially divided into N elementary optical signals (SE. | 07-25-2013 |
20130342896 | METHOD AND LASER OSCILLATOR FOR THE GENERATION OF A LASER BEAM - Method and laser oscillator for the generation of a laser beam—According to the invention with a view to adjusting, inside said laser oscillator ( | 12-26-2013 |