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- Gevorgian, Spartak, 1948, et al.
(författare)
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Superconducting arrangement with non-orthogonal degenerate resonator modes
- 2000
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Patent (övrigt vetenskapligt/konstnärligt)abstract
- Superconducting multiplexing/demultiplexing arrangements include a number of signal input devices and a number of signal output devices. A number of resonators provides a number of filters. Each filter represents a channel. The resonator(s) operate(s) devices at lest in dual mode, and tuning devices are provided so that at least some of the resonators is/are tuneable. A method is provided of multiplexing signals incoming to a multiplexing arrangement with a number of resonators, each of the resonators having a number of input ports which are so arranged that a number of mulitpole filters are created. Input signals having different frequencies are supplied to the different input ports of the resonators, each of which is operated in three modes. Coupling devices are arranged which at least comprise the angle between the input ports and a symmetry plane. The angles are non-perpendicularly azimuth. Tuning devices are further provided for tuning the resonant frequencies of the degenerate modes, and the coupling angles and tuning devices are controlled so that for a number of input signals, only input signal is transmitted to the output devices.
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| 3. |
- Gylfason, Kristinn B., et al.
(författare)
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A Sensor Device and a Method of Detecting a Component in Gas
- 2015
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Patent (populärvet., debatt m.m.)abstract
- A sensor device comprising a planar substrate defining a substrate plane and a waveguide for guiding an electromagnetic wave. The waveguide extends in a length direction in a waveguide plane parallel to the substrate plane and has a width and a height, wherein the width to height ratio is more than 5. The height of the waveguide is less than the wavelength of the electromagnetic wave. The waveguide is supported on the substrate by a support structure extending from the substrate to the waveguide, along the length direction of the waveguide, having a width which is smaller than the width of the waveguide. The invention further relates to a method of detecting a component in gas and a method of fabricating a sensor device.
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| 5. |
- Laurell, Fredrik
(författare)
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Mikrochipslaser
- 1996
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Patent (populärvet., debatt m.m.)abstract
- The invention refers to a laser having first and second reflecting elements (3, 4) defining a laser cavity; a laser microchip (1) provided in the laser cavity to generate laser radiation of a fundamental wavelength; and a quasi-phase matching non-linear optical element (2) provided in the laser cavity to receive said laser radiation of the fundamental wavelength from the laser microchip (1) and to emit frequency doubled laser radiation (SH) of a wavelength half as long as the fundamental wavelength.
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| 9. |
- Berrocal, Edouard
(creator_code:cre_t)
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DEVICE FOR GENERATING TEMPORALLY OFFSET , SPATIALLY MODULATED ILLUMINATION REGIONS
- 2019
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Patent (övrigt vetenskapligt/konstnärligt)abstract
- A device is provided for generating temporally offset , spa tially modulated illumination regions (22 , 22 ') having peri odic modulation patterns that are phase - shifted with respect to one another . The device has two pulsed laser sources (121 , 122) that are triggerable in a manner temporally offset with respect to one another and that generate two laser beams pulsed in a temporally offset manner . Intensity modulators (16) are provided for spatially periodic intensity modulation of the laser beams perpendicular to the direction of propa gation thereof . A beam superimposing device (126) com bines the beam paths of the laser beams in a common beam path section and a beam shaper (20 , 20 ') shapes the illumi nation region shaping. The common beam path section is configured so that the laser beams combined by the beam superimposing device (126) are polarized differently and the intensity modulators are upstream of an optically anisotropic beam splitter (18).
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| 10. |
- Bodin, Kenneth, et al.
(författare)
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Method for simulating dynamic incompressible fluids using particle based spatial discretization and mass density constraints
- 2009
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Patent (populärvet., debatt m.m.)abstract
- Disclosed is a method of simulating dynamic fluids comprising a set of pseudo particles usedto represent physical quantities of the fluid, a fluid density computed from a weightedaverage over the pseudo particle, and a density constraint on the fluid density constraining itto be incompressible with the reference density of a real physical fluid that is modeled. Theconstraint stabilization forces of the density constraint govern the dynamics of the pseudoparticles and the simulated fluid. The method comprises a combined time stepping andconstraint stabilization and relaxation method that provides global conservation of physicalsymmetries and therefore robust physical and numerical stability under large constraintviolation, and substantial improvement in efficiency over other known methods.
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