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Physics

Atomic / Molecular / Quantum

Patents

Searches Patent Title, Abstract, Body, Technology Type, and NIST Inventors
Displaying 1 - 10 of 10
Depiction of miniaturized atomic beam source. (a) Schematic of the Rb beam source. (b) Image of assembled device. (c) Rb fluorescence spectrum measuring the transverse velocity distribution of the atomic beam, and Rb absorption spectrum measuring the Rb vapor density feeding the channel array. A saturated absorption spectrum from a natural abundance Rb cell is included for reference.

Chip-Scale Atomic Beam System

NIST Inventors
Elizabeth Donley , John Kitching and William McGehee
The invention is a device for creating a collimated atomic beam in an evacuated vacuum package fabricated from lithographically defined or machined, planar structures and with components to source atomic vapor and passive pumps to maintain vacuum conditions. We have developed a chip-scale system for
An array of photonic dosimeters subjected to ionizing radiation.

Photonic Dosimeter

NIST Inventors
Ronald Tosh , Zeeshan Ahmed , Ryan P. Fitzgerald and Nikolai Klimov
NIST scientists have developed a photonic device whose resonance characteristics (such as quality factor, peak position, and free spectral range) change in a predictable way in response to the interaction of radiation with the sensor and/or its surroundings. The invention consists of one or more
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

NIST Inventors
Young Jong Lee
A spectrum adjuster produces a pure analyte spectrum and includes: a dynamic opacity optic that receives input light, receives an adjustment signal, produces primary adjusted light, and produces secondary adjusted light from the input light based on the adjustment signal; a light source in optical
Experminetal system configuration for Ultra-High Spectral Resolution Spectrometer Based on Electromagnetically-Induced Transparency

Direct Absolute Spectrometer for Direct Absolute Spectrometry

NIST Inventors
Lijun Ma , Xiao Tang and Oliver T. Slattery
A direct absolute spectrometer includes: a first light source; a second light source; an optical combiner that produces dual light; an optical cell that receives the dual light; an electromagnetically induced transparent medium that is optically transparent to single photon light in a presence of
A timeline of long distance communication techniques

Communication Linker for Communication Linking

NIST Inventors
Sergey Polyakov and Ivan Burenkov
A communication linker includes: a classical encoder; an optical transmitter; a receiver; a local oscillator in communication with the receiver and that: receives a feedback signal; and produces a displacement frequency, based on the feedback signal; a single photon detector in communication with
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"

Vacuum Compatible Fluid Sampler

NIST Inventors
Glenn Holland and Samuel M. Stavis
A fluid sampler includes: a sample cell that includes: a substrate comprising: a first port; a viewing reservoir in fluid communication with the first port and the second port and that receives the fluid from the first port and communicates the fluid to the second port, the viewing reservoir
Line drawing of high efficiency photon detection

High Efficiency Photon Detection

NIST Inventors
Alex Smolyanitsky
A detection pixel includes a material that is chosen so that its (averaged) atomic number density leads to the Compton process being the dominant scattering mechanism in response to incident photons, leading to production of Compton electrons with sufficient number and kinetic energy to produce an
Image of devices on a table

Optical Parametric Oscillator

NIST Inventors
John T. Woodward IV
An optical parametric oscillator produces optical parametric light and includes a frequency splitter to produce signal light and idler light; a wavelength selector to select a wavelength of the signal light and to produce optical parametric light from the selected wavelength of the signal light; and
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