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Patents

Displaying 1 - 25 of 49
Slide showing text explaining the benefits of the technology described in patent 10,720,993

Metasurface Optical Pulse Shaper for Shaping an Optical Pulse in a Temporal Domain

Inventors

Henri J. Lezec, Amit Agrawal, Wenqi Zhu, Cheng Zhang, Shawn Divitt

Patent Description Ultrafast laser pulse shaping is a well-developed field with available commercial products. Typically, the amplitude, phase or polarization of the light is controlled by placing a spatial light modulator (SLM) at the focus of the first mirror, in a technique known as Fourier
A list of radiation-induced materials modifications that are NIST traceable

Photonic Dosimeter and Process for Performing Dosimetry

Inventors

Ronald Tosh, Zeeshan Ahmed, Ryan P Fitzgerald, Nikolai Klimov

Patent Description Radiation-induced materials modification is ubiquitous. These applications rely on dosimetry to reliably deliver the desired amount of radiation to the right place. Currently the dosimetry standard is based on calorimetry of a large water phantom irradiated exclusively by Co-60
Schematic comparison of the conventional approach and this invention for a sample (analyte + solvent) with a strong solvent absorption band in the spectral range of interest.

Spectrum Adjuster and Producing a Pure Analyte Spectrum

Inventors

Young Jong Lee

Patent Description This invention is a spectroscopic method that adjusts the incident light intensity as a function of wavelength to flatten the solvent-only transmitted light spectrum over an interesting wavelength range. When a solvent has a strong absorption band within an interesting spectral
Image describing the technology within the Portable Dynamic Force Primary Standard

Portable Dynamic Force Primary Standard

Inventors

Akobuije Chijioke, Nicholas Vlajic

Patent Description A longstanding and thorny problem in force metrology is that of accurately measuring rapidly changing forces. A key part of the problem is that the dynamic response of force sensors changes depending on the system in which the sensor is used, meaning that an external calibration
A timeline of long distance communication techniques

Communication Linker for Communication Linking

Inventors

Sergey Vladimirovich Polyakov, Ivan Burenkov

Patent Description The US has the leading optical communication industry and one of the largest telecommunication markets. Our invention directly improves the underlying technology of the telecommunication infrastructure. Quantum Coherent Frequency Shift Keying (CFSK) receiver is a device that

Optical Phantom for Producing a Time-Resolved Diffuse Reflectance Spectrum

Inventors

Jeeseong Hwang, Heidrun Wabnitz

Patent Description Physikalisch-Technische Bundesanstalt (PTB) and NIST jointly developed a concept for a waveform synthesizer which can generate a controlled waveform with several picosecond (ps) time resolution. In a light-diffusing material, characteristics of the time-of-flight distribution (e.g
Presentation of technologies with similar applications as Electron Relectometry

Electron Reflectometer and Process for Performing Shape Metrology

Inventors

Lawrence H. Friedman, Wen-Li Wu

Patent Description It has been discovered that an electron reflectometer and process for performing shape metrology provide electron reflectometry (ER) for measurement or determination of nanoscale dimensions in three dimensions at a surface with small-angle electron reflection. According to Fresnel
Description of how the technology works for patent 10,719,617

A Method and System for Centralized Attribute-Based Access Control (ABAC) Policy Administration and Local Policy Decision and Enforcement Using Access Control Lists

Inventors

David F. Ferraiolo, Gopi Katwala , Serban Gavrila

Patent Description This is a method that centrally manages Attribute-Based Access Control (ABAC) policies and locally computes and enforces decisions over those policies on objects that are locally protected using Access Control Lists (ACLs). The method is as follows: Centrally express an ABAC
Line drawing of the method for manufacturing an array of sensors on a single chip

Method for Manufacturing an Array of Sensors on a Single Chip

Inventors

Abhishek Motayed, Geetha S. Aluri, Albert Davydov, Vladimir P. Oleshko, Ritu Bajpai, Mona E. Zaghloul

Patent Description Detection of chemical species in air, such as industrial pollutants, poisonous gases, chemical fumes, and volatile organic compounds (VOCs), is vital for the health and safety of communities around the world. The development of reliable, portable gas sensors that can detect
Line drawing of the thermal impedance amplifier

Thermal Impedance Amplifier

Inventors

Adam McCaughan, Varun Verma, Sonia Buckley, Sae Woo Nam

Patent Description Presently, superconducting electronics are being applied to areas such as computational backends for future quantum processors, high-performance supercomputing, and ultrafast digital signal processing. In all of these areas, data must be communicated between the superconducting
This image of a chart titled "How does it work" that describes the optomechanical reference.

Optomechanical Reference

Inventors

Felipe Guzman, Ryan B. Wagner, Jacob M. Taylor, Gordon A. Shaw

A mechanical sensor incorporating an optical cavity is used to provide a mass and/or force reference from a known or characterized circulating optical power in the optical cavity. The radiation pressure force in the optical cavity is used to actuate the mechanical sensor. The optical cavity in put
Step-by-step process for making a self-aligned waveguide

Process for Making a Self-Aligned Waveguide

Inventors

David Pappas

Patent Description This invention enables practitioners to achieve very narrow gaps, down to 0.1 µm, on long coplanar waveguides using optical lithography. This process is shown below. In step 1, a mask is defined on top of the metallic material to be used as the center trace of the coplanar
Powerpoint slide, showing via map and photograhpy, the distance from NIST Boulder to Valmont Butte

Optical Time Distributor and Process for Optical Two-Way Time-Frequency Transfer

Inventors

Laura Sinclair, Nathan R. Newbury, William C. Swann, Hugo Bergeron, Jean-Daniel Deschenes

Patent Description The invention is a method to compare and synchronize "clocks" (i.e. local timescales) through optical links across free space, which include open air paths through the atmosphere to other terrestrial sites or to satellites, as well as satellite-to-satellite paths. The challenge is
A line drawing describing the apparatus and method for dynamically controlling spectrum access

Apparatus and Method for Dynamically Controlling Spectrum Access

Inventors

Timothy A Hall, Anirudha Sahoo, Charles Hagwood, Sarah Streett

Patent Description There is a need for government and industry to share spectrum due to limited frequency band. This invention provides for a dynamic spectrum access (DSA) in a tiered sharing system whose goal is to increase spectrum utilization. It is an apparatus (hardware + firmware) that
The figure shows a microfabricated optical probe with the following components: 110 - optical loop, 111 – structured region of 110, 114 – optical waveguide, 116 – first arm of optical waveguide, 120 – substrate, 122 – optical cladding layer, 124 – first single mode optical fiber, 126 – primary light, and 128 – output light.

Microfabricated Optical Probe

Inventors

Vladimir Aksyuk, Kartik Srinivasan, Thomas Michels

Patent Description Integrated photonics research and manufacturing requires a probe for in-line nondestructive optical testing of devices. Current optical probes require dedicated and large coupling areas in the photonic circuit. They cannot provide sufficient control over the degree, location and
Collage of images; magnetic imaging of live bacteria and nanoscale thermometry of live human cells.

Fast Entangled State Generation and Quantum Information Transfer in a Quantum System with Long-Range Interactions

Inventors

Alexey V. Gorshkhov, Michael Foss-Feig, Zachary Eldredge, Ali Hamed Moosavian, Jeremy Young, Zhe-Xuan Gong

Patent Description NIST has developed a method to use quantum systems with long-range interactions to do the following two things faster (in some cases exponentially faster) than in systems with short-range interactions: (1) accomplish quantum state transfer across the system; (2) prepare a large

Photonic probe for atomic force microscopy

Inventors

Marcelo Davanco, Vladimir Aksyuk

Patent Description Atomic force microscopy probes with integrated photonic optomechanical cavity readout are new and provide improved sensitivity, increased measurement speed and reduced measurement noise in a variety of research and manufacturing metrology applications. While such probes have been
Diagram of cells and other components within a blood vessel

Measuring a size distribution of nucleic acid molecules in a sample

Inventors

Robert Craig Copeland, Martin Samuel Stavis

Patent Description This invention is a method for measuring the size of single nucleic-acid molecules. Measuring the size of nucleic-acid molecules is important in a variety of applications ranging from criminal forensics to clinical diagnostics. The invention advances conventional methods and
This is a line drawing for patent number 10,625,470

3D Printing of Composition-Controlled Copolymers

Inventors

Jirun Sun, Young Lee

Patent Description This invention is a new 3D printing process of continuously or discretely controlling composition of photo-polymerization reactants to produce 3D objects with spatially varying chemical, physical and mechanical properties. This invention is based on photo­ polymerization of liquid
A line drawing of the protector for photon detector

Protector for Photon Detector

Inventors

David M. Rutter, Alan H. Band

Patent Description Avalanche photodiodes (APDs) are highly sensitive single photon counters and are used in fluorescence lifetime measurements, medical devices, safety equipment and optical communication devices among many other applications. They function by placing a high voltage across an
Exploded schematic shows line drawings of five layers inside the optofluidic flow meter.

Optofluidic Flow Meter

Inventors

Zeeshan Ahmed, Gregory A. Cooksey

The NIST optical flow meter uses a photonic sensor to detect pressure changes inside a microfluidic channel, which is then used to calculate volumetric flow rates. It provides on-chip assessment of flow and heat transfer resulting in improvement in fluid metrology and advances in biological sensing.
an image showing several different charts and figures that is titled "High-Resolution imaging and spectroscopy at High Pressure: A Novel Liquid Cell for the TEM"

Fluid platform for transmission electron microscopy

Inventors

Glenn Emerson Holland, Martin Samuel Stavis, Alexander J. Liddle

Patent Description The transmission electron microscope (TEM), with its ability to deliver atomic-scale spatial, and < 100 meV spectroscopic resolution, has enabled countless breakthroughs in materials science. From the early days of TEM development, researchers have sought to use the power of this
Displaying 1 - 25 of 49