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Physical Measurement Laboratory

Patents

Searches Patent Title, Abstract, Body, Technology Type, and NIST Inventors
Displaying 1 - 25 of 145
Commercial Fiber Optic FC-Style Connector (does not depict the invention).

Fiber Optic Safety Lock

NIST Inventors
Joshua Hadler
The patent-pending NIST Fiber Optic Safety Lock (“Safety Lock”) ensures continuous connection of fiber optic cables, thereby preventing laser hazards and critical system failures. The device features a specially designed fiber connector lock that requires a tool to access the connector. The Safety

Continuous-Wave Laser Source And Making A Continuous-Wave Laser Source

NIST Inventors
Scott Papp and Jennifer Black
A method of designing a continuous-wave laser source having a target output wavelength and an input laser with a wavelength different from the target output wavelength includes the steps of receiving the target output wavelength, and subordinate properties of the laser source; determining a

Sound Pressure Metrology Instrument And Determining Sound Pressure From Index Of Refraction

NIST Inventors
Richard A. Allen , Randall P Wagner , Benjamin Reschovsky and Akobuije Chijioke
A sound pressure metrology instrument determines sound pressure from index of refraction and includes: a light source that produces source light; the optical cavity that: receives an acoustic field from the sound source; receives the source light from the light source; produces acoustic-modified

System And Method For Parameter Multiplexed Gradient Descent

NIST Inventors
Adam McCaughan , Sonia Buckley and Andrew Dienstfrey
Embodiments of the present invention relate to systems and model-free methods for perturbing neural network hardware parameters and measure the neural network response that are implemented natively within the neural network hardware and without requiring a knowledge of the internal structure of the

Mueller Matrix Ellipsometer

NIST Inventors
Thomas A. Germer
Embodiments of the present invention relate to an ellipsometer that includes a combination of a plurality of reflective devices to measure a Mueller matrix reflectance of a material in the VUV and EUV region. Ellipsometer in accordance with embodiments of the present invention relate to an
Diagram showing the circuit for resetting the Spectral Power Distribution (SPD) after the Light Emitting Diode (LED) has emitted a photonic pulse.

Superconducting Opto-Electronic Transmitter Circuit

NIST Inventors
Sonia Buckley , Adam McCaughan and Jeff Shainline
This invention describes a family of circuits that receive an input current or voltage pulse when a superconducting element has been driven above threshold, producing an amplified current or voltage pulse to drive a light source, and reset to the resting state after light has been generated.

Nucleic Acid Nanostructures

NIST Inventors
Jacob Majikes and Veronika Szalai
Embodiments of the present invention relate to methods and composition of a nucleic acid tile with addressable locations for placement of molecular species that can function as sensors, reporters, or enhancers of measurement systems. Embodiments of the present invention may also include a nucleic

Quantum Sensor Network And Measuring Multple Functions With A Quantum Sensor

NIST Inventors
Alexey Gorshkov
A process for measuring multiple functions with a quantum sensor network includes: providing a plurality of quantum sensors, each of which is configured for measuring a different analytic function of a set of unknown parameters; preparing the plurality of quantum sensors in a known state; exposing

Photonic Thermometer Module Assembly And Performing Photonic Thermometry

NIST Inventors
Nikolai Klimov , Tobias Herman and Zeeshan Ahmed
A photonic thermometer module assembly includes: a sheath; a sheath bottom plug; a sheath top flange; a top sealing flange; a heat exchanger; a photonic thermometer disposed on the heat exchanger such that the photonic thermometer determines a temperature of the sheath; and an optical fiber array in

Thin Film Magnetic Field Vector Sensor

NIST Inventors
Emily Bittle , David Gundlach and Sebastian Engmann
A novel magnetic field sensor (MFS) may be created with an organic light emitting diode (OLED) made from an organic semiconductor material and an organic photodetector (OPD) built directly on top (or below) of the OLED, wherein at least one layer is made from an oriented molecular or polymer organic

Thin Film Magnetic Magnitude Sensor

NIST Inventors
David Gundlach , Emily Bittle and Sebastian Engmann
A novel magnetic field sensor (MFS) may be created with an organic light emitting diode (OLED) made from an organic semiconductor material and an organic photodetector (OPD) built directly on top (or below) of the OLED, wherein one layer is made from a magnetically isotropic material, and which
Perspective view of tweezer.

Chip Tweezers

This invention is a precision tool, specifically a type of specialized tweezer, for manipulating small samples of various materials, especially fragile microchips. These tweezers are specially designed to safely pick up and handle small, delicate items without touching their top or bottom surfaces
Chart illustrating the fiber channel structure.

A Better Way to Connect Fiber Optics to Computer Chips

NIST Inventors
Saeed Khan and Jeff Shainline
This invention provides a way to efficiently connect optical fibers to semiconductor chips. It improves the transfer of light signals between the fiber and the chip, reducing loss and increasing performance. The design allows for better alignment and integration, making it easier to manufacture and

Photonic Bolometer and Broadband High-Absorption Photonic Bolometry

NIST Inventors
Nikolai Klimov , Nathan A Tomlin and Chris Yung
A photonic bolometer includes: a photonic chip; a weak thermal link; a thermally-isolated member, and the weak thermal link thermally isolates the thermally-isolated member from the photonic chip; a photonic temperature sensor; a chip waveguide in optical communication with the photonic temperature

Photonic Bolometer And Performing Broadband High-Absorption Photonic Bolometry

NIST Inventors
Nikolai Klimov , Nathan A Tomlin and Chris Yung
A photonic bolometer includes: a photonic chip; a weak thermal link; a thermally-isolated member, and the weak thermal link thermally isolates the thermally-isolated member from the photonic chip; a photonic temperature sensor; a chip waveguide in optical communication with the photonic temperature

Core-Shell Nanofin Vertical Switch and High-Voltage Switching

NIST Inventors
Kris A. Bertness and Matthew Brubaker
A core-shell nanofin vertical switch performs high-voltage switching and includes: an n-type GaN nanofin core including: an n-type drift layer; an n-type channel; and an n-type source; a p-type nanofin shell surrounding the n-type GaN nanofin core at an interface surface of the n-type GaN nanofin

Compact Low-power Cryo-Cooling Systems For Superconducting Elements

NIST Inventors
Joel Ullom and Vincent Kotsubo
A compact, low power cryo-cooler for cryogenic systems capable of cooling gas to at least as low as 2.5 K. The cryo-cooler has a room temperature compressor followed by filtration. Within the cryostat, four counterflow heat exchangers precool the incoming high-pressure gas using the outflowing low

Optomechanical Ultrasound Detector And Performing Ultrasound Imaging

NIST Inventors
David Long , Thomas W. LeBrun and Jason J. Gorman
An optomechanical ultrasound detector includes: a micromirror substrate; a mechanical resonator that receives ultrasound waves, oscillates at resonator frequency f.sub.r, changes cavity length L.sub.c, and produces intra-cavity light; and an optical microcavity between the micromirror substrate and

Agile Nucleic Acid Sensor And Measuring A Biomarker

NIST Inventors
Kevin Kiesler , Alokik Kanwal , Anthony J. Kearsley , Erica Romsos , Peter M. Vallone , Jacob Majikes and Arvind Balijepalli
An agile nucleic acid sensor includes: a DNA switch; an analysis substrate in electrostatic communication with the DNA switch and that produces a biomarker electrical signal; a transduction member that receives the biomarker electrical signal and produces a transduction signal; a sensor counter
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