University of California

Stanley Electric Co., Ltd

Linoptx, LLC

USA As Represented by Secretary of the Navy

The Mitre Corporation

Lin Pang

Yeshaiahu Fainman

Tomofumi Yamamuro

Joanna N Ptasinski

Pang-Chen Sun

Haiping Matthew Chen

Andrew C Kummel

Kevin Tetz

Brandon Hong

Maxim Abashin

Chyong-Hua Chen

Iam Choon Khoo

Sungwoon Kim

Alexei Smolyaninov

Grace M Hwang

Lindsay Freeman

Boris Slutsky

Wataru Nakagawa

An image capture apparatus includes a light source, a modulator configured to modulate light irradiated from the light source to a target object, an imaging device configured to generate image data by capturing one or more images of the target object, and processing circuitry. The processing circuitry is configured to drive the modulator by a first modulation signal, the first modulation signal being for irradiating a first pattern, drive the modulator by a second modulation signal, the second signal being for irradiating a second pattern, wherein the first pattern and the second pattern are irradiated alternately, modulate reflected light from the target object, the reflected light from the target object being detected at a lock-in detector, and generate an image composed of image data from the reflected light of the plurality of localized illuminations.

Apparatuses and methods for backscattering elimination via spatial and temporal modulations

A system for association-based scattering processing includes a spatial light modulator configured to modulate one or more of phase and amplitude of light irradiated from a light source to a target object. Additionally, the system includes processing circuitry configured to evaluate a field distribution for one localized illumination, induce a set of field distributions for a plurality of localized illuminations based on the field distribution for the one localized illumination, and apply the set of field distributions to the spatial light modulator, scanning a plurality of localized illuminations on the target object.

System and method for association assisted establishment of scattering configuration in scattering processing

An adaptive lighting apparatus includes a light source, a spatial light modulator, and processing circuitry. Further, the processing circuitry is configured to drive the spatial light modulator by a modulation signal for irradiating patterns for generating one or more localized illuminations, scan the one or more localized illuminations on the target object based on the patterns, and calculate, in advance, the patterns so that light intensity of the one or more localized illuminations is enhanced on a virtual target located at a predetermined distance and without a scattering medium.

Ballistic light modulations for image enhancement through fog

A lighting system includes a light source having a broad emission spectrum, a spatial light modulator configured to modulate one or more of phase and amplitude of light irradiated from the light source to a target object, and a detector configured to detect light intensity being reflected from the target object. Additionally, the lighting system includes circuitry configured to divide an emission spectrum of light irradiated from a light source into a plurality of wavelength ranges, measure irradiated light formed with a first wavelength range to the target object, calculate a transmission matrix based on the measurement, calculate a set of other transmission matrixes, calculate a set of patterns for generating a plurality of localized illuminations, drive the spatial light modulator by a modulation signal which forms an irradiation pattern, and scan the plurality of localized illuminations on the target object.

Lighting system and imaging method using incoherence light

Methods, systems, and devices for particle characterization by optical phase modulation and detection of aerosol backscattering. In some aspects, a compact and cost effective particle detector device to measure the aerosol density and its size distribution by backscattered focusing using projected optical modified field distribution imaging into the aerosol medium (air). The disclosed device can be used in a variety of scientific and industrial applications, e.g., such as a particle sensor for automobiles able to detect harmful pollution which may then be filtered from the car cabin, or warnings provided to the driver. The device can also capture and store data, enabling detailed pollution maps of various roadways in real-time.

Optical phase modulation systems and methods

Techniques, systems, and devices are disclosed for implementing nanostructures in the optical domain that highly localize the incident electromagnetic field to with a large spectral range from the visible to the infrared range. An optical nano antenna device is provided to include a substrate; a central conductive core formed on the substrate; and a peripheral conductive shell formed on the substrate and located peripheral to the central conductive core to surround at least a part of the central conductive core. The central conductive core and peripheral conductive shell form a coaxial structure with a dimension less than an optical wavelength of light.

Broadband metacoaxial optical nanoantennas based on plasmonic modes

Systems, devices and techniques are disclosed for optically detecting single molecules using nanoscale chip configurations. In one aspect, a sensing device includes a composite membrane having an array of nanochannels that form openings at opposing sides of the membrane, a first and second substrate each including channels to carry a fluid containing particles, a fluidic module that is fluidically coupled to the channels to supply the fluid, a plurality of electrodes located along the channels, and an electrical module to generate an electric field via the electrodes to effectuate an electrokinetic force within the channels to steer the particles toward the openings of the nanochannels to immobilize the particles, in which the nanochannels operate as resonant structures to amplify localized fields produced in an optical interrogation of the immobilized particles.

Nanochip based surface plasmon resonance sensing devices and techniques

A temperature-stabilized photonic circuit comprising: a material platform; a complementary metal-oxide-semiconductor (CMOS)-compatible, photonic device integrated on the material platform, wherein the photonic device has a positive thermo-optic coefficient; and a liquid crystal layer clad over the photonic device, wherein the liquid crystal layer has a negative thermo-optic coefficient such that the temperature of the circuit is passively stabilized through adjustment of the effective refractive index of the photonic device.

Apparatus and method for stabilizing the temperature of a photonic circuit

Methods and systems for combined SPP and Raman scattering-based bio-detection are provided. Embodiments include a bio-detection system having a microfluidics chip, a Surface Plasmon Polariton (SPP)-based system component, and a Raman scattering-based system component. The SPP-based and the Raman scattering-based system components can be used simultaneously or individually separately to detect biological and/or chemical analytes. The bio-detection system further includes an aerosol collector chip. Embodiments of the present invention can be used aboard means of propagation of biological and/or chemical analytes, including, for example, commercial aircrafts. Embodiments of the present invention can be used to enable an aircraft warning system.

Multi-modal surface plasmon polariton&#x2014;raman scattering based bio-detection

A differential measurement design employing two nearly collinear optical beams provides surface plasmon polariton resonance (SPR) sensors and a corresponding method of increased dynamic range and signal to noise ratio. The differential measurement device and method based on wavelength interrogation, employs a single incident polarization state, and is combined with a 2-D nanohole array for operation at near-normal incidence, where this approach offers a decrease in the measurement time.

Differential detection for surface plasmon resonance sensor and method

Techniques, apparatus, material and systems are described for implementing a three-dimensional composite mushroom-like metallodielectric nanostructure. In one aspect, a surface plasmon based sensing device includes a substrate and a layer of an anti-reflective coating over the substrate. The surface Plasmon based sensing device includes a dielectric material on the anti-reflective coating shaped to form a 2-dimensional array of nanoholes spaced from one another. Also, the surface Plasmon based sensing device includes a layer of a metallic film formed on the 2-dimensional array of nanoholes to include openings over the nanoholes, respectively, wherein the sensing device is structured to support both propagating surface plasmon polariton (SPP) waves and localized surface plasmon resonant (LSPR) modes.

Sensing devices and techniques using 3-D arrays based on surface plasmon excitations

Devices and techniques for using nanostructures such as nanohole metal films to construct SPP sensors for sensing various substances.

Optical sensing based on surface plasmon resonances in nanostructures

The invention is directed to a method for etching a solid state material to create a surface relief pattern. A resist layer is formed on the surface of the solid state material. The photoresist layer is holographically patterned to form a patterned mask. The pattern is then transferred into the solid state material by a dry etching process. The invention is especially useful for forming optical nanostructures. In preferred embodiments, a direct write process, such as ebeam lithography, is used to define defects and functional elements, such as waveguides and cavities.

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Lin Pang