Ulrich Weichmann, Aachen DE
Ulrich Weichmann, Aachen DE
Patent application number | Description | Published |
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20080259431 | Laser Projection System Based on a Luminescent Screen - The present invention relates to a laser projection system consisting of at least one first laser light source ( | 10-23-2008 |
20080315786 | Method and Circuit Arrangement For the Operation of a Discharge Lamp - A method and a circuit arrangement for the operation of a discharge lamp, in particular of a high-pressure gas mercury discharge lamp (HID[high intensity discharge]) lamp or a UHP [ultra high performance] lamp, are described, which are used to improve the color rendering index of the light. This is essentially achieved by feeding the lamp current on which current pulses with a suitably adjusted amplitude I | 12-25-2008 |
20090161704 | INTRACAVITY UPCONVERSION LASER - The present invention relates to an upconversion laser system comprising at least a semiconductor laser having a gain structure ( | 06-25-2009 |
20100118903 | SOLID STATE LASER DEVICE WITH REDUCED TEMPERATURE DEPENDENCE - The present invention relates to a solid state laser device with a solid state gain medium between two resonator end mirrors ( | 05-13-2010 |
20100230863 | SYSTEM FOR AND METHOD OF HEATING OBJECTS IN A PRODUCTION LINE - A system and method ( | 09-16-2010 |
20100265975 | EXTENDED CAVITY SEMICONDUCTOR LASER DEVICE WITH INCREASED INTENSITY - The present invention relates to an extended cavity semiconductor laser device comprising an array of at least two semiconductor gain elements ( | 10-21-2010 |
20100272145 | VECSEL-PUMPED SOLID-STATE LASER - The present invention relates to a solid-state laser system constituted bya solid-state laser whichis optically pumped by a vertical extended cavity surface emitting laser (VECSEL). The solid-state laser comprises a solid-state laser medium ( | 10-28-2010 |
20100316073 | OPTICALLY PUMPED SOLID-STATE LASER WITH CO-DOPED GAIN MEDIUM - The present invention relates to a solid-state laser comprising a gain medium ( | 12-16-2010 |
20100328680 | OPTICAL SENSOR - An optical sensor ( | 12-30-2010 |
20100329298 | INTRACAVITY FREQUENCY-CONVERTED SOLID-STATE LASER FOR THE VISIBLE WAVELENGTH REGION - The present invention provides an intracavity frequency-converted solid state laser for the visible wavelength region. The laser comprises a semiconductor laser ( | 12-30-2010 |
20110134953 | WAVEGUIDE LASER - It is an object of the invention to provide a simple setup of a waveguide laser which allows to control the emission of specific laser wavelengths in a laser material having laser transitions of similar wavelengths. For this purpose a core ( | 06-09-2011 |
20110274126 | METHOD OF SWITCHING LASER EMISSION OF A SOLID STATE LASER BETWEEN DIFFERENT EMISSION WAVELENGTHS AND CORRESPONDING SOLID STATE LASER DEVICE - The present invention relates to a method of switching laser emission of a solid state laser between different emission wavelengths, said different emission wavelengths being based on different electronic transitions in a solid state laser medium ( | 11-10-2011 |
20120020073 | OPTICALLY PUMPED SOLID-STATE LASER AND LIGHTING SYSTEM COMPRISING SAID SOLID-STATE LASER - The invention relates to a solid-state laser device ( | 01-26-2012 |
20120069544 | LIGHT-EMITTING DEVICE WITH A LUMINESCENT MEDIUM, CORRESPONDING LIGHTING SYSTEM COMPRISING THE LIGHT-EMITTING DEVICE AND CORRESPONDING LUMINESCENT MEDIUM - The invention relates to a light emitting device ( | 03-22-2012 |
20120069864 | DIODE PUMPED SOLID-STATE LASER WITH IMPROVED PUMP LIGHT ABSORPTION - For a diode pumped solid-state laser, measures to improve the pump light absorption in anisotropic crystals are proposed. The proposed measures reduce the dependency of the pump light absorption on the diode current and the diode temperature as well as on the detuning of the pump diode from the absorption line. These measures include sending the pump radiation twice through the crystal, placement of the laser crystal in an orientation that does not exhibit the optimum absorption and the use of a retarder. | 03-22-2012 |
20120128023 | SWITCHABLE DUAL WAVELENGTH SOLID STATE LASER - The present invention relates to a switchable dual wavelength solid state laser with a solid state gain medium ( | 05-24-2012 |
20120273480 | HEATING SYSTEM AND METHOD OF HEATING A BODY OF A PREFORM - The invention describes a heating system ( | 11-01-2012 |
20130094533 | LASER - The invention relates to a laser ( | 04-18-2013 |
20130272332 | INHIBITING UNAUTHORIZED ACCESS TO A LASER SOURCE - The invention relates to the field of laser sources ( | 10-17-2013 |