Baden-Wuerttemberg Stiftung Ggmbh

Universitãt Stuttgart

Baden-Wurttemberg Stiftung Ggmbh

Max-Planck-Gesellschaft Zur F&#xf6;rderung Der Wissenschaften E. V.

Cambridge Enterprise Limited

Transmit Gesellschaft Fur Technologietransfer Mbh

Baden-Wurttemberg Stiffung Gmbh

Harald Giessen

Alois Herkommer

Simon Thiele

Timo Gissibl

Heinz Clemens Schweizer

Xinghui Yin

Andy Steinmann

Tobias Steinle

Henning Sirringhaus

Christof Pruss

Axel Rumberg

Manfred Berroth

Heinz Schweizer

Liwei Fu

Ilja Gerhardt

Johannes Nikolaus Greiner

Stefan Kedenburg

Martin Hofmann

Arno Euteneuer

Asa Asadollahbaik

Jochen Fick

Chris Jung

Michael C Gwinner

Kathrin Arzenbacher

Hedwig Graebeldinger

Llja Gerhardt

Alois M Herkommer

Hedwig Gräbeldinger

The invention relates to a 3D-printed actuatable optical device and a method for fabricating the actuatable optical device. The method comprises the following steps: The invention further relates to the use of a magnetizable fluid for fabricating a magnetically actuatable optical device.

Actuatable optical device, method of fabricating the device, and use of a magnetic substance

The present disclosure relates to a rotationally symmetric dielectric structure for optical beam shaping and for trapping and manipulating individual particles and living biological cells in aqueous medium, concentrically mounted on the facet of a single-mode optical fiber, wherein the structure comprises at least three total reflection surfaces configured to split a light field emerging from the single-mode optical fiber into at least two separate light paths and wherein the at least three total reflection surfaces are further configured to bring the separate light paths together as a ring beam in a common focal point.

Optical tweezers based on total internal reflection micro-optics mounted on the tip of a single mode optical fiber

A method of fabricating an imaging system as well as to a corresponding imaging system. The method includes providing a substrate; and forming, by means of aD-printing technique, aD structure on the substrate, wherein the forming of theD structure includes forming a stack of at least two diffractive optical elements in a single printing step.

Method of fabricating an imaging system and corresponding imaging system

An apparatus and a corresponding method for generating at least one random number are disclosed. The apparatus includes an optical parametric oscillator being pumped by a pump signal with a predetermined pump power and a predetermined pump frequency. The optical parametric oscillator is configured to operate in a period multiplication state for providing an oscillator output signal of alternating light pulses, the oscillator output signal having a period that is N-times the period of the pump signal, where N is an integer and N&#x3e;I. The apparatus also includes a comparing unit being configured to compare the output signal with a reference signal, wherein the reference signal has a frequency that is 1/N of the predetermined pump frequency, and an evaluation unit being configured to generate the at least one random number based on the comparison of the output signal with the reference signal.

Apparatus and method for generating at least one random number, use of an optical parametric oscillator

multi-aperture system for foveated imaging as well as to a corresponding multi-aperture system. The method comprises the steps of:

Method of fabricating a multi-aperture system for foveated imaging and corresponding multi-aperture system

The present invention relates to a method for manufacturing an optical element () having at least one functional region using a 3D-printer, comprising the steps: In addition, the invention relates to a device for manufacturing an optical element () as well as a use of the device.

Method and device for producing an optical element having at least one functional region, as well as use of the device

A device for switchably influencing electromagnetic radiation includes a phase change material and an optically responsive structure. The phase change material is switchable between at least a first state and a second state. The first state and the second state have different electrical and/or magnetic properties. The optically responsive structure is in contact with the phase change material and has at least a first nanostructure and a second nanostructure. The first nanostructure is being different from the second nanostructure. The first nanostructure is optically responsive at a predetermined electromagnetic wavelength when the phase change material is in its first state, and non-responsive at the predetermined wavelength when the phase change material is in its second state. The second nanostructure is optically responsive at the predetermined electromagnetic wavelength when the phase change material is in its second state, and non-responsive at the predetermined wavelength when the phase change material is in its first state.

Device for switchably influencing electromagnetic radiation, and method for obtaining such a device

A device with switchable, chiral optical characteristics, has a first chiral arrangement with a first arrangement layer with at least one first nanostructure and a second arrangement layer with at least one second nanostructure. The first nanostructure and the second nanostructure are arranged relative to one another such that the chiral arrangement is chiral. A switching material with switchable dielectric characteristics is arranged between the first arrangement layer and the second arrangement layer.

Device with switchable, chiral optical properties, means for polarization modulation, and related method

The present invention relates to a method for connecting a solid core optical fiber () with another optical fiber (), wherein the solid core optical fiber () comprises a joining device (), which is created on one axial end of the solid core optical fiber () using a 3D printer and wherein the other optical fiber () is incorporated in the joining device () via an axial end of the other optical fiber (), which is thus connected with the solid core optical fiber (). In addition, the invention relates to a solid core optical fiber () with a joining device () created by a 3D-printer, and the relevant use of a 3D printer.

Method to connect an optical fiber having a solid core with an additional optical fiber, optical fiber having a solid core with joining device and use of a 3D printer

Optical system and method for the provision of at least one high-frequency modulated light pulse having a pump light source for the provision of high-frequency pump light pulses; an optical resonator having a coupling element for coupling the pump light pulses into the resonator and a decoupling element for decoupling the at least one high-frequency modulated light pulse from the resonator and an optically non-linear frequency conversion medium arranged in the resonator for transforming the pump light pulses in each case into two conversion light pulses and one residual pump light pulse. The resonator comprises a feedback arm for at least one of the two conversion light pulses and/or the residual pump light pulse, in which an optically non-linear feedback medium is arranged for the optical modulation of the at least one conversion light pulse and/or the residual pump light pulse.

Optical system and method

The present invention relates integrated optoelectronic devices comprising light emitting field-effect transistors. We describe an optoelectronic device comprising a light-emitting field effect transistor (LFET) with an organic semiconductor active layer and a waveguide integrated within the channel of the light-emitting field effect transistor, wherein said waveguide comprises a material which has a higher refractive index than said organic semiconductor. We also describe a light-emitting organic field transistor integrated with a ridge or rib waveguide incorporated within the channel of the LFET; and a similar light-emitting organic field effect transistor in which the waveguide incorporates an optical feedback mechanism.

Optoelectronic devices

A metamaterial having a negative refractive index is presented, which has a dielectric carrier material (), first electrically conductive sections () and second electrically conductive sections (). The metamaterial is distinguished by the fact that the dielectric carrier material () is realized as a volume which consists of one piece and which has at least one inner area which is prestructured by positive or negative rib or mesa structures () in the dielectric carrier material () and is covered with first sections () and second sections () in such a way that the first sections form capacitive series impedances upon illumination with an electromagnetic wave having a specific propagation direction and polarization, while the second sections are arranged in such a way that they form inductive shunt impedances upon the illumination. An optical element, a preferred use of a metamaterial and also a method for producing a metamaterial are furthermore presented. The structuring of partial regions of the metamaterial can be effected with the aid of negative/positive mesa structures.

Metamaterial having the capability of broadband left-hand guidance of electromagnetic waves

In a method for influencing and measuring pulsed electromagnetic illumination, e.g. parallel laser light (L), said illumination or light can be spatially divided, in particular, in an autocorrelator comprising a beam receptor ( ), can be recombined behind said beam receptor by a superposition or focusing device ( or ) and can be detected in the recombinant area by a detector ( ). As the transmission system ( ), the beam receptor comprises beam profile dividers in a penetrable housing ( ), in the form of at least two transmission parts ( ), with or in which separate, preferably parallel component beams (S, T) can be modified in their time-based beam characteristics, before being recombined. The inventive beam receptor ( ) preferably has at least a two-part mirror ( ), plate ( ), chamber or crystal system ( ) comprising a beam profile divider ( ) which creates or leaves unchanged a base component beam (S), whilst the time-based characteristics of this or every other component beam (T) in a neighbouring beam profile divider ( ) can be controlled in a different manner, in order to effect, in particular, reflection or transmission delays and/or changes to the optical paths.

Growing community of inventors

Marnheim, Germany

Harald Giessen