Patent application number | Description | Published |
20120151995 | PHOTOACOUSTIC SENSOR AND METHOD FOR THE PRODUCTION AND USE THEREOF - A photoacoustic sensor, containing a resonance body, which at least partially delimits a space for receiving molecules to be detected, and a device for detecting an oscillation of the resonance body, including a device for optically detecting the location of at least one partial surface of the resonance body. A method for the photoacoustic detection of molecules in the gas phase and to a method for producing an optically integrated photoacoustic sensor. | 06-21-2012 |
20120210796 | DEVICE AND METHOD FOR SPECTROSCOPICALLY DETECTING MOLECULES - A method and a device for spectroscopic detection of molecules, containing a resonance body, an apparatus for identifying a vibration of the resonance body and at least one laser light source, the laser light of which interacts with the molecules to be detected and which is designed to emit light pulses with a duration of less than 200 fs, the device also containing apparatus for pulse shaping the light pulses emitted by the laser light source by modulating the amplitude and/or the phase, to generate sequentially different pulse shapes of the light pulses. | 08-23-2012 |
20120260719 | PHOTO-ACOUSTIC GAS SENSOR AND METHOD FOR THE PRODUCTION AND USE THEREOF - A photo-acoustic gas sensor and methods for producing same, the gas sensor having a resonance body and a device for detecting a vibration of the resonance body, including a device for optically detecting the location of at least one partial surface of the resonance body, wherein the resonance body and the device for detecting a vibration are disposed on exactly one substrate, the resonance body is formed by at least one first recess of the substrate, and the substrate is a semiconductor material. | 10-18-2012 |
20120321242 | SENSOR ELEMENT AND METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF - A sensor element for detecting mechanical state variables contains at least one optical waveguide having at least one fiber Bragg grating, and at least one planar optical filter element to which light exiting the optical waveguide can be fed to at least one measuring device for determining an intensity ratio of a Stokes and an anti-Stokes lines and/or a propagation time of an optical signal. A method for detecting mechanical state variables uses such a sensor element running along a measuring section, wherein light having at least one predefinable mean wavelength and a predefinable spectral width is coupled into the optical waveguide and light reflected and/or scattered in the optical waveguide is fed to at least two measuring devices, measuring the intensity of the light exiting the optical waveguide in selected spectral ranges, and measuring an intensity ratio of a Stokes and an Anti-stokes line and/or a propagation time of an optical signal. | 12-20-2012 |
20130298979 | SEMICONDUCTOR COMPONENTS AND PROCESS FOR THE PRODUCTION THEREOF - A method for producing a light-absorbing semiconductor component, wherein at least one partial area of a semiconductor substrate is irradiated with a plurality of laser pulses having a predefinable length, wherein the pulse shape of the laser pulses is adapted to at least one predefinable desired shape by modulation of the amplitude and/or of the polarization. A semiconductor component for converting electromagnetic radiation into electrical energy, includes a crystalline semiconductor substrate having a first and an opposite second side, wherein a dopant is introduced at least in a partial volume of the semiconductor substrate which adjoins the first side, such that a first pn junction is formed between the partial volume and the substrate, wherein at least one first partial area of the second side is provided with a dopant and a surface modification, such that a second pn junction is formed. | 11-14-2013 |
20140061452 | APPARATUS FOR MEASURING STATE VARIABLES - An apparatus for measuring state variables with at least one fiber-optic sensor, containing at least one optical coupler, at least one filter element and at least one photoelectric converter, where the optical coupler, the filter element and the photoelectric converter are integrated on a substrate, and the filter element contains at least one Bragg grating which is designed to supply the light portion reflected by the Bragg grating to the photoelectric converter. | 03-06-2014 |
20140118741 | METHOD OF DETECTING MOLECULES AND OPTICAL SENSOR - The present disclosure relates to an example method and optical sensor for detecting molecules of a particular substance by means of an optical sensor. Such an example method may include bringing the sensor into contact with a fluid to be analyzed, coupling light of a first wavelength into an optical resonator of the optical sensor, coupling light of a second wavelength into the same resonator or into a second optical resonator of the optical sensor, detecting, for each of the first and the second wavelengths, an optical signal coupled out of an optical path containing the respective resonator, varying an optical length of the respective resonator or the respective wavelength and detecting a broadening of this resonance indicating an absorption of the light fed into the respective resonator by molecules accumulated at the active layer of this resonator. | 05-01-2014 |
20150219848 | PLANAR-OPTICAL ELEMENT, SENSOR ELEMENT AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a planar-optical element having at least one photonic component, which is arranged in at least one substrate containing or consisting of at least one polymer, wherein the substrate includes at least one first film layer having a first side and an opposite second side and a second film layer having a first side and an opposite second side, wherein the first side of the second film layer is arranged on the second side of the first film layer and at least the second film layer contains nanowires, at least in a subarea. The invention also relates to a corresponding sensor element and a method for the production thereof. | 08-06-2015 |