Imec Vzw

Imec

Katholieke Universiteit Leuven

Panasonic Corporation

Katholieke Universiteit Leuven, Ku Leuven R&d

Interuniversitair Microelektronica Centrum (imec)

Midiagnostics Nv

King Abdulaziz City for Science and Technology

Swave Bv

Katholieke Universiteit Leuven, K.u. Leuven Research & Development

Xavier Rottenberg

Veronique Rochus

Roelof Jansen

Kristof Lodewijks

Hendrikus Tilmans

Tom Claes

Murali Jayapala

David Cheyns

Yasuyuki Naito

Pol Van Dorpe

Geert Van Der Plas

Richard Stahl

Simone Severi

Walter De Raedt

Dries Vercruysse

Philippe Soussan

Jeonghwan Song

Jan Bienstman

Hendrikus A C Tilmans

Yongbin Jeong

Francky Catthoor

Andy Lambrechts

Geert Vanmeerbeeck

Maarten Rosmeulen

Chengxun Liu

Luc Haspeslagh

Jan Genoe

Ingrid De Wolf

Christoph Adelmann

Jiwon Lee

Bruno Figeys

Wouter Jan Westerveld

Pawel Malinowski

Henri Jansen

Yunlong Li

Stéphane Donnay

Gauri Karve

Mahmoud A Farghaly

Gil Linenberg

Piotr Czarnecki

Kirill Zinoviev

Stefan Pauwen

Phillip Ekkels

Grim Keulemans

Vladimir Pejovic

Jon Kjellman

Giuseppe Fiorentino

Anabel De Proft

Shengping Mao

Erik Sohn

Fabrice-Roland Lamberti

Hendricus Tilmans

According to an aspect of the present inventive concept there is provided an optical device () for modulating incident light (L), comprising a resonance defining layer structure () comprising an optical state change material (), and an electrode layer () comprising at least two spaced-apart electrode elements (). The electrode elements are individually addressable and arranged to cause an optical state change of a portion of the optical state change material between a first state and a second state, wherein the portion forms a geometric structure () defined by the arrangement of the at least two spaced-apart electrode elements. The optical state change material is configured to alter an optical response of the optical device upon the optical state change between the first state and the second state, thereby determining the modulation of the incident light.

Optical device for modulating incident light

A light sensor for spectrally resolved light detection, said light sensor comprises: an upper reflective element; a lower reflective element; a photo-sensitive element therebetween; a spacer element, configured to form the lower reflective element or arranged between the upper and the lower reflective element; wherein the elements form a stack of layers which define a resonance structure between the upper and the lower reflective element for providing a resonance of light; wherein the spacer element comprises at least two different materials, a distribution of which is different between different pixels in an array of pixels such that a resonance wavelength is different for different pixels; and wherein for a plurality of pixels, geometrical structures smaller than the resonance wavelength are defined by the at least two different materials.

Light sensor and a method for manufacturing a light sensor

In one aspect, an optical system is disclosed. In some embodiments, the optical system includes an optical waveguide, and at least two coupling means forming at least one confocal point being located within the optical waveguide, where a first coupling means of the at least two coupling means has a first focal length, and a second coupling means of the at least two coupling means has a second focal length. In some examples, the first coupling means is configured to couple and/or focus incident light to the optical waveguide, and the second coupling means is configured to emit and/or collimate light conveyed by the optical waveguide.

Optical system and corresponding optical method

The present invention provides a flexible ultrasound transducer () for an ultrasound monitoring system for examining a curved object. The ultrasound transducer () comprises an integrated circuit structure () and a multi-layered structure (), said multi-layered structure () comprising an array () of ultrasound transducing elements () arranged in a first layer structure () and configured for generating ultrasonic energy propagating along a main transducer axis Z and an array () of control circuits () arranged in a second layer structure (), and wherein the array () of control circuits and the integrated circuit structure () are configured for operating the array () of ultrasound transducing elements in said first layer structure (), Further, the multi-layered structure () comprises at least one flexible layer () arranged so that the bending flexibility of the multi-layered structure () permits the ultrasound transducer () to form a continuous contact with said curved object during operation.

Flexible ultrasound array

The present invention provides a flexible ultrasound transducer for an ultrasound monitoring system for examining a curved object. The ultrasound transducer comprises an integrated circuit structure and a multi-layered structure, said multi-layered structure comprising an array of ultrasound transducing elements arranged in a first layer structure and configured for generating ultrasonic energy propagating along a main transducer axis Z and an array of control circuits arranged in a second layer structure, and wherein the array of control circuits and the integrated circuit structure are configured for operating the array of ultrasound transducing elements in said first layer structure, Further, the multi-layered structure comprises at least one flexible layer arranged so that the bending flexibility of the multi-layered structure permits the ultrasound transducer to form a continuous contact with said curved object during operation.

Flexible ultrasound transducer

A system and for distributing data for 3D light field projection and a method thereof. The system comprises input terminals and output terminals that are connectable to pixel elements of a display. Data paths are established between input terminals and output terminals, and are controlled by data switches. The system also comprises a control plane adapted for applying control variables to the data switches. Control switches of the control plane select the control variables which are applied to the data switches. Sequences of control variables and enable variables propagate along at least one first delay line and along at least one second delay line, respectively. Delay units of the at least one first delay line and of the at least one second delay line have a synchronous relationship. During system run-time patterns contained in the stream of input data are detected for determining the sequences of control variables.

Data distribution for holographic projection

An optical device for forming a distribution of a three-dimensional light field comprises: an array of individually addressable unit cells; each unit cell in the array of unit cells comprising a stack including: at least one electrode; and a resonance defining layer, comprising at least a phase change material, PCM, layer, wherein the resonance defining layer is patterned to define a geometric structure dimensioned for defining a wavelength-dependent in-plane resonance of an electromagnetic wave; wherein the at least one electrode causes a phase change of the phase change material based on receiving a control signal to alter a wavelength-dependency of resonance in the resonance defining layer for controlling the optical property of the unit cell; wherein unit cells in the array of unit cells are separated such that the PCM layer of a unit cell is separated from the PCM layer in an adjacent unit cell.

Optical device for forming a distribution of a three-dimensional light field

A storage device configured to store data on a tape is provided. In one aspect, the storage device includes the tape, which is configured to store data, and a data head, which is configured to read and/or write data from and/or to the tape. The storage device further includes an actuator configured to move the tape in a length direction in a step-wise manner. The actuator can include a plurality of pulling electrodes, wherein each pulling electrode can be activated to exert a pulling force on the tape, and a plurality of clamping electrodes, wherein each clamping electrode can be activated to clamp the tape.

Tape based storage device having actuator including pulling and clamping electrodes

An apparatus for displaying a three-dimensional image comprises: a light field generating unit (), which is configured to receive an incident light beam () and generate a three-dimensional light field; and an image revealing medium (), which is arranged to receive the three-dimensional light field generated by the light field generating unit (), wherein the image revealing medium () comprises a fluid with bubbles or particles suspended in the fluid, wherein the bubbles or particles have a size in the range of 40-500 nm.

Apparatus for displaying a three-dimensional image

An optical device () for forming a distribution of a three-dimensional light field comprises: an array () of unit cells (), a unit cell () being individually addressable for switching the optical property of the unit cell () between a first and a second condition; wherein the unit cells () are configured to be selectively active or inactive and wherein the array () comprises at least a first and a second disjoint subset (), and wherein the unit cells () in a subset () are configured to be jointly switched from inactive to active, wherein the active unit cells () are configured to interact with an incident light beam () for forming the distribution of the three-dimensional light field; and wherein the optical device () is configured to address inactive unit cells () for switching the optical property of unit cells ().

Optical device, a system and a method for forming a distribution of a three-dimensional light field

Embodiments relate to a sensor structure for an acoustical pressure sensor and an opto-mechanical sensor and system that may be used for detecting acoustical pressure waves. Embodiments of a sensor structure for an acoustical pressure sensor include an optical waveguide closed-loop resonator and a plurality of sensor elements. The individual sensor elements of the plurality of sensor elements are configured to be affected by an acoustical pressure wave such that a physical property of the individual sensor element is changed. The optical waveguide closed-loop resonator is arranged at the plurality of sensor elements and associated with each of the individual sensor elements such that a resonance frequency of the optical waveguide closed-loop resonator is shifted due to the affected physical properties of all individual sensor elements. The sensor structure provides a high sensitivity from each sensor element, which is advantageous in e.g. ultrasonic imaging, such as photo-acoustic imaging where the signals typically are low.

Acoustical pressure sensor with photonic waveguide

At least one embodiment relates to a focusing arrangement for focusing particles or cells in a flow. The arrangement includes at least one channel for guiding the flow. The channel includes (i) at least one particle confinement structure having particle flow boundaries and (ii) at least one acoustic confinement structure having acoustic field boundaries adapted for confining acoustic fields. The acoustic field boundaries may be different from the particle flow boundaries, and the at least one acoustic confinement structure may be arranged with regard to the channel to at least partially confine acoustic fields in the channel.

Method and arrangement for focusing objects in a flow

There is provided an optical system comprising a photonic integrated circuit which is integrated on a platform and an element having a first surface being attached to the platform. The element has a groove in the first surface, and the groove is filled with a medium having a refractive index which is different from that of the element. The groove has a surface with a normal that forms an angle with respect to a predetermined light direction, thereby allowing changing a direction of light which is incident on the platform along the predetermined light direction. The element and the medium filling the groove are transparent for a wavelength range of the light which is incident on the platform.

Optical system

A method for producing an image sensor comprises: depositing a first back-end-of-line, BEOL, layer above a substrate comprising an array of light-detecting elements, said BEOL layer comprising metal wirings being arranged to form connections to components on the substrate and together with depositing the first BEOL layer, improving planarization of the first BEOL layer by depositing a planarizing metal dummy pattern in the first BEOL layer, wherein a part of the planarizing metal dummy pattern is arranged above a light-detecting element, wherein the planarizing metal dummy patterns is formed from the same material as the metal wirings and is deposited to planarize density of the metal deposited in the first BEOL layer across a surface of the layer and wherein a shape and/or position of the metal dummy pattern above the array of light-detecting elements is designed to provide a desired effect on incident light.

Method for producing an image sensor, and an image sensor

Example embodiments relate to an integrated lens-free imaging device. One embodiment includes a lens-free imaging device for imaging a sample. The lens-free imaging device includes a radiation guiding structure that includes a first surface parallel with a second surface. The lens-free imaging device also includes an imaging region. The radiation guiding structure is adapted for receiving an incoming radiation wave, thereby obtaining a confined radiation wave. At least one perturbation is present in the radiation guiding structure for generating, from the confined radiation wave, a first radiation wave and a second radiation wave. The radiation guiding structure is configured to direct the first radiation wave out of the radiation guiding structure toward the first surface to a sample measurement region. The radiation guiding structure is further configured to direct the second radiation wave toward the second surface to the imaging region.

Integrated lens free imaging device

Growing community of inventors

Kessel-lo, Belgium

Xavier Rottenberg