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Search Patents

Displaying 1 - 25 of 250

Serrodyne Frequency Shift Spectrometer and Serrodyne Frequency Shifting

NIST Inventors
Sean Bresler , John R. Lawall , Benjamin Reschovsky and David Long
Direct multiheterodyne or self-heterodyne frequency comb spectroscopy commonly relies upon the use of an acousto-optic modulator to provide a frequency shift of the resulting radiofrequency interferogram. We have shown that serrodyne modulation can provide this shift, resulting in a significant

Aptamer Regulated Transcription For In-Vitro Sensing And Transduction

NIST Inventors
Samuel Schaffter
Described are nucleic acid transcription templates, systems and methods for detection and measurement of molecules and biomolecules (e.g., biomarkers). Particularly, systems and methods utilize a transcription template with an aptamer domain configured to bind a molecule of interest to regulate

Single-Detector Double-Path Intensity-Modulation Spectrometer

NIST Inventors
Young Jong Lee
A method of determining an optical spectrum for a sample substance includes splitting a source beam into a reference beam and a sample beam, periodically modulating the intensity of the beams out of phase of each other, directing the reference beam through a reference substance and the sample beam

Single-Detector Double-Path Intensity-Modulation Spectrometer

NIST Inventors
Young Jong Lee
A method of determining an optical spectrum for a sample substance includes splitting a source beam into a reference beam and a sample beam, periodically modulating the intensity of the beams out of phase of each other, directing the reference beam through a reference substance and the sample beam

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

NIST Inventors
Scott Papp
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 Mathod 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

Curved Metallic Grating And Process For Making Same

NIST Inventors
Daniel Josell and Thomas P. Moffat
Making a curved metallic grating for matching angular divergence of incident radiation includes: providing a mandrel with a curved receiving surface; disposing a planar substrate on the curved receiving surface; applying a clamping force to the planar substrate at the planar field surface; bending

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

Direct Digital Chirp Synthesizer And Generating A Chirped Optical Frequency Comb

NIST Inventors
David Long and Benjamin Reschovsky
Disclosed is a direct digital chirp synthesizer for generating a chirped optical frequency comb that includes: a direct digital synthesizer that receives a repetition frequency signal from a delay generator, receives a clock frequency from a frequency converter, produces a radiofrequency chirp

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

CTRSD Gate And Performing Co-Transcriptional Encoding

NIST Inventors
Samuel Schaffter
A method for the production and use of scalable co-transcriptional RNA strand displacement (ctRSD) circuits using RNA toehold exchange gates is described. The ctRSD circuits described address the limitations of existing DNA-based strand displacement circuits by isothermally producing circuit

Analyte Probe And Determining Water Vapor Transmission Rate

NIST Inventors
Jan Obrzut
An analyte probe determines water vapor transmission rate of a test coating and includes: a graphene analysis layer disposed the substrate and including an analytical interface for receiving a test coating and an n-dopant, such that: the substrate and graphene analysis layer are arranged in analyte

Lung Fluid Monitor And Monitoring Fluid Level In A Lung

NIST Inventors
Kamran Sayrafian
A lung fluid monitor monitors a fluid level in a lung and includes: a radiation source disposable on a first body surface and that produces nascent radiation, the nascent radiation: being received by the first body surface, communicated from the first body surface to a lung, attenuated

Process for Making a Metallic Grating

NIST Inventors
Daniel Josell and Thomas P. Moffat
A metallic grating is formed to include a substrate; a plurality of high aspect ratio trenches disposed in the substrate such that the high aspect ratio trenches are spaced apart from one another by a field surface of the substrate; a metallic superconformal filling formed and disposed in the high
Displaying 1 - 25 of 250