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Physical Measurement Laboratory

Patents

Searches Patent Title, Abstract, Body, Technology Type, and NIST Inventors
Displaying 26 - 50 of 161

Broadband Light Sensor with Optical Readout

NIST Inventors
Nikolai Klimov , Nathan A Tomlin and Chris Yung
This invention is a new type of light detector called a photonic bolometer. It uses high-heat-resistant carbon nanotubes that can absorb nearly all light and convert it into heat, which is then measured using a special photonic temperature sensor that detects changes in temperature by tracking

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
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

Gravity-Enforced Photon Momentum Radiometer And Measuring Optical Power

NIST Inventors
Anna Vaskuri and Paul A. Williams
A gravity-enforced photon momentum radiometer incudes: a magnetic array; a diamagnetic shuttle that levitates above the magnetic array; a mirror on the diamagnetic shuttle that receives laser light and moves the diamagnetic shuttle due to the optical force; a tiltable platform for the magnetic array

Delivering Signals To Cryogenic Environments Via Photonic Links

NIST Inventors
Franklyn Quinlan , Scott Diddams , Joe Aumentado , Florent Lecocq and John Teufel
An operational environment is disclosed herein that includes a cryogenic environment and a signal source. The cryogenic environment includes a signal target, an optical link, signal converter devices, and an electrical link. Outside of the cryogenic environment, the signal source generates an
Depiction of high-efficiency microfabricated spherical RF Paul Ion Trap for trapping single atomic ions.

Spherical Ion Trap and Trapping Ions

NIST Inventors
Jeffrey Sherman , David Hume and Roger Brown
This invention is a new type of spherical RF Paul ion trap with thermal and electrical properties that are favorable for high-accuracy atomic clocks.

Ultra-Sensitive Camera for Clearer Images in Medicine, Space, and Security

NIST Inventors
Adam McCaughan
This invention introduces a thermally coupled imager designed to detect and track single photons with high accuracy. It integrates a thermal detection layer with photon-sensitive pixels to enhance imaging precision. The system improves time and position-sensitive imaging, making it ideal for

Magnetic Resonance Fingerprinting Thermometry

NIST Inventors
Kathryn Keenan
A method for temperature quantification using magnetic resonance fingerprinting (MRF) includes acquiring MRF data from a region of interest in a subject using an MRF pulse sequence with smoothly varying RF phase for MR resonant frequencies that is played out continuously. For each of a plurality of

Optoelectromechanical Switch And Programming An Optical Network

NIST Inventors
Vladimir Aksyuk and Henri Lezec
Disclosed is an optoelectromechanical switch that includes: an optical feedline disposed on an isolation substrate that receives resonator light that is subject to optical communication to a resonator when a cavity length of the resonator supports an electromagnetic mode at the wavelength of the

Barcoded End Facet Printed Photonic Chip And Barcode-Guided Direct Laser Writing

NIST Inventors
Kartik Srinivasan
A barcoded end facet printed photonic chip includes: an optically transparent direct laser writing substrate including a transverse waveguide writing surface to receive a direct write laser light for off-axis direct write laser printing and a facet surface to receive the direct write laser light for

Quantum-Enabled Flow Cytometer

NIST Inventors
Sergey Polyakov and Ivan Burenkov
Flow cytometry is arguably the most powerful optical method routinely used in the diagnosis of health disorders and disease monitoring. We enhance an optical flow cytometer with a photon­ number statistics measurement. Our technique allows for an absolute measurement of biomarker concentration and

Optomechanical Accelerometer And Performing Optomechanical Accelerometry

NIST Inventors
Jason J. Gorman and Thomas W. LeBrun
An optomechanical accelerometer includes: a fiducial mass for a microscale Fabry-Perot optical cavity; a proof mass for the microscale Fabry-Perot optical cavity, such that the proof mass oscillates in a displacement motion toward and away from the fiducial mass in response to acceleration of the
Calibration Apparatus And Calibrating A Laser Doppler Vibrometer Thumbnail

Calibration Apparatus And Calibrating A Laser Doppler Vibrometer

NIST Inventors
Michael Gaitan , Benjamin Reschovsky and Akobuije Chijioke
A new approach to characterize the performance of a laser Doppler vibrometer (LDV). The method uses two acousto-optic modulators to frequency shift the light from an LDV by a known quantity to create a synthetic velocity shift that is traceable to a frequency reference. Results are presented for

Quantum Flow Cytometer

NIST Inventors
Sergey Polyakov and Ivan Burenkov
A quantum flow cytometer for detecting an analyte with photon-number statistics includes: a flow cytometer that: receives a pump light in a first direction; receives an analyte flow comprising the analyte in a second direction; and produces scattered light from scattering the pump light by the

Body Cube And Process For Culturing Tissue

NIST Inventors
Mandy B. Esch, PhD
A body cube for culturing tissue that includes: an organ chip holder; and a body barrier chip and a first body organ chip disposed in the organ chip holder, the first body organ chip including a first cell culture chamber that receives cell culture medium and produces a first tissue in the first
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