DEUTSCHES ELEKTRONEN-SYNCHROTRON DESY Patent applications |
Patent application number | Title | Published |
20160116338 | Device and Method for Characterizing an Ultrashort Laser Pulse - The invention relates to a device ( | 04-28-2016 |
20150229093 | CHIRPED DICHROIC MIRROR AND A SOURCE FOR BROADBAND LIGHT PULSES - The present invention is directed to a chirped dichroic mirror comprising a stack of alternating high refractive index and low refractive index layers, a front end portion including an antireflective coating followed by an impedance matching region in which the ratio of the optical thickness of a high refractive index layer to the optical thickness of the next following low refractive index layer is adiabatically increasing to a first value, the impedance matching region being followed by a chirped mirror region where the Bragg wavelength of the layer pair is generally increasing or generally decreasing, characterized in that the layers in a back end region form a second impedance matching region in which the ratio of the optical thickness of a high refractive index layer to the optical thickness of the next following low refractive index layer starts at the value of this ratio in the adjacent chirped mirror region and is then adiabatically decreasing in order to provide matched impedance to the surrounding medium over the transmission spectral band. | 08-13-2015 |
20130101086 | FACILITY AND METHOD FOR MOLECULAR STRUCTURE DETERMINATION - A molecular structure determination facility includes a first X-ray source capable of emitting a pulsed coherent X-ray beam along a first emission direction and a plurality of first measurement stations aligned along the first emission direction. Each of the first measurement stations comprises a sample injector device for injecting a sample beam of a liquid into an interaction region, a focusing unit for focusing an X-ray beam, and a detector arranged around and comprising a central opening aligned with the emission direction, and being sensitive to X-rays emerging from the interaction region. A method uses the facility by emitting a coherent X-ray beam pulse using the first X-ray source, triggering the injector devices to inject sample beams of liquid into the interaction regions such that the coherent X-ray pulse intersects the sample beams of liquid in the interaction regions, and detecting X-rays emerging from the interaction regions using the detectors. | 04-25-2013 |
20130044975 | SYSTEM AND METHOD FOR GENERATING A SYNCHRONISATION CONTROL SIGNAL - A system for generating a synchronization control signal for synchronizing a radio-frequency signal having a frequency and a pulsed optical signal, the system comprising an electro-optical amplitude modulator that includes a phase shift controller having a controller output at which the synchronization control signal is output, a phase shift mixer that includes a first and a second photodetector, an optical input connection that connects the input for the optical signal to the optical input of the electro-optical amplitude modulator, and an input splitter that is arranged in the input connection in order to output the optical signal additionally at a branch of the input splitter. | 02-21-2013 |
20120267244 | SAMPLE RECEIVING DEVICE FOR SAMPLE MATERIALS IN ULTRA-HIGH VACUUM CHAMBERS - The disclosure relates to a sample-receiving device for sample materials in ultra-high vacuum chambers, in particular for sputter coating installations. | 10-25-2012 |
20110122977 | SELF-COMPENSATING DRIFT-FREE HIGH-FREQUENCY PHASE DETECTOR CIRCUIT - The present invention relates to a phase detector circuit ( | 05-26-2011 |
20100133442 | X-RAY DETECTOR MODULE WITH A COLLIMATOR - The invention relates an x-ray detector module comprising a plurality of silicium-drift detector cells which are arranged next to each other on a sensor chip. Said sensor chip is arranged in a recess of a frame-shaped base support, such that the sensitive chip surface lies in the opening of said frame-shaped base support. The aim of the invention is to improve the signal/base ratio. As a result, a mask ( | 06-03-2010 |
20100098408 | DETECTION OF CHANGES IN AN INTERVAL OF TIME BETWEEN OPTICAL OR ELECTRICAL SIGNALS - A method is disclosed for detecting changes in an interval of time (ΔT) between an optical or electrical signal and an optical or electrical reference signal using a photodetector. The method may be used to synchronize an optical or electrical signal with an optical or electrical reference signal. An apparatus for carrying out the method is also disclosed. The method comprises the steps of: receiving the optical signal and the optical reference signal by means of the photodetector, outputting an electrical response signal at an output of the photodetector, the electrical response signal having a frequency spectrum which depends on the interval of time (ΔT), filtering a selected harmonic from the frequency spectrum of the electrical response signal which has been output, and detecting changes in the interval of time (ΔT) from changes in the amplitude of the selected harmonic. | 04-22-2010 |
20090314952 | ION SOURCE FOR GENERATING NEGATIVELY CHARGED IONS - An ion source for generating negatively charged ions is presented and described, said ion source having a closure plate which is provided with an outlet opening and which has a wall which surrounds a combustion chamber, wherein the wall has a tubular section, which extends from the outlet opening and is formed from an insulating material, and has a rear wall, wherein the rear wall is arranged at the end of the tubular section which lies opposite the outlet opening and closes off the combustion chamber, having a coupling coil whose windings are arranged around the tubular section of the wall outside the combustion chamber, and having a filter field magnet. The problem of making available an ion source for generating negatively charged ions which has an increased yield and is also suitable for generating ions from substances which are only available in a gaseous form is solved by virtue of the fact that the rear wall is formed from an insulating material and has an inlet opening, and in that the filter field magnet is arranged on that side of the tubular section which faces away from the combustion chamber. | 12-24-2009 |
20090215631 | METHOD FOR PRODUCTION OF HOLLOW BODIES FOR RESONATORS - A method for production of hollow bodies, in particular for radio-frequency resonators is shown and described. The object to provide a hollow bodies and a resonator, respectively, having improved electrical properties is achieved by a method comprising the following steps: Providing a substrate having a monocrystalline region, defining a cut area through the substrate, fitting markings on both sides of the cut area, producing two wafers by cutting along the cut area, wherein the wafers are completely removed from the monocrystalline region, forming the wafers into half-cells, wherein the half-cells have a joining area, joining together the half-cells to form a hollow body, wherein the joining areas bear on one another, and wherein the markings on the half-cells are oriented with respect to one another on both sides of the joining area as on both sides of the cut areas. | 08-27-2009 |
20090102459 | Device for Determining the Strength of the Magnetic Field of an Electromagnet - A device and a method for determining the magnetic field strength of an electromagnet is illustrated and described. The object to provide a device and a method for determining the strength of the field of an electromagnet, which allows even minor changes in the magnetic field to be determined quickly is achieved in terms of an apparatus by a device having a measurement device for determining the magnetic field of the electromagnet, a low-pass filter element which is connected to the first supply line and to the second supply line and is adapted to emit a signal at the output of the low-pass filter element from the voltage between the first supply line and the second supply line, which signal approximates to the time profile of the magnetic field strength in the electromagnet, having a low-pass filter downstream from the measurement device, having a high-pass filter connected in series with the low-pass filter element, and having a signal output, wherein the output of the measurement device and the output of the low-pass filter element are connected to the signal output. | 04-23-2009 |