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Search Patents

Displaying 76 - 100 of 271

Synchronizer And Synchronizing Transfer Over An Optical Link

NIST Inventors
Laura Sinclair , William C. Swann and JD Deschenes
A synchronizer for synchronizing transfer over an optical link includes a frequency reference oscillator; a tracking optical timing source; a tracking comb signal; a signal processor-controller; a comb timing discriminator; a clock frequency comb; a bidirectional terminal; a time-frequency offset

Dry Prelithiation Of Electrode Materials For Lithium Batteries And Supercapacitors By Controlled Dose Low Energy Implantation Of Lithium Ions

NIST Inventors
Christopher Soles , Vladimir Oleshko and Jabez J McClelland
In this disclosure, we describe a method of creating new and improved battery electrodes by doping conventional battery electrode materials with dry lithium (Li+) ions, using ion implantation techniques under vacuum. This dry "prelithiation" step will both (a) increase the amount of active Li+ in
Description of Patent 11,165,505

Quantum Atomic Receiving Antenna and Quantum Sensing of Radiofrequency Radiation

NIST Inventors
Josh Gordon and Christopher L. Holloway
A quantum atomic receiving antenna includes: a probe laser; a coupling laser; an atomic vapor cell that includes: a spherically shaped or parallelepiped-shaped atomic vapor space and Rydberg antenna atoms. These undergo a radiofrequency Rydberg transition to produce quantum antenna light from probe

Fiber-To-Chip Coupler

NIST Inventors
Jeff Shainline and Saeed Khan
A fiber-to-chip coupler includes a substrate, a waveguide on a top surface of the substrate, an optical fiber axially aligned to the waveguide, and a cap. The waveguide has a uniform region with uniform width and a tapered-waveguide region having a width that adiabatically increases from a minimum

Infrared Thermal Desorber And Performing Infrared Thermal Desorption

NIST Inventors
Matthew E Staymates and Thomas P. Forbes
An infrared thermal desorber includes a desorption housing; an infrared source receiver that receives an infrared emission source; an infrared absorber receiver that receives an infrared absorber, such that the infrared absorber receiver produces thermal energy emission; an analyte target receiver

Low-loss Metasurface Optics For Deep UV

NIST Inventors
Henri Lezec and Wenqi Zhu
High-performance optical-metasurface-based components configured to at frequencies of UV light and, in particular, in deep UV range and performing multiple optical-wavefront-shaping functions (among which there are high-numerical-aperture lensing, accelerating beam generation, and hologram

Physiologically Stable Fluorophore And Performing Fluorescence Probing

NIST Inventors
Jeremiah Woodcock and Professor Douglas M. Fox
A physiologically stable fluorophore includes a terminal moiety including a terminal reactive site that reacts with a reactive group of a substrate; a stability linker covalently bonded to the terminal moiety; and a bridge moiety covalently bonded to the stability linker such that the stability

Photonic Resonator Analyzer And Characterizing A Photonic Resonator

NIST Inventors
Zeeshan Ahmed
We describe a method for distinguishing optical modes of a resonator based on the characterization of the temperature sensitivity of a mode’s resonance frequency and its dispersion characteristics. This method requires an interrogator (made up of a tunable laser, broadband light source, frequency

PH Photothermal Spectrometer And Performing PH Photothermal Spectroscopy

NIST Inventors
Zeeshan Ahmed
A pH photothermal spectrometer includes a container that receives an analyte medium and pH-sensitive chromophore. An excitation fiber and optical thermometer are disposed in the container. The optical thermometer include a light receiver disposed on a temperature detector fiber.
image for US20200348841A1

A Data Structure for Integrity Protection with Erasure Capability

NIST Inventors
D. Richard Kuhn
Provided is a process including: initializing a data block matrix; making supra-diagonal nodes that include at most one more node than sub-diagonal nodes; making a hash nodes with a hash sequence length that is proportional to a number of nodes in the row or column of nodes in which the hash node is

Method And Apparatus For Optimal Dynamic Spectrum Access In LTE Systems

NIST Inventors
Anirudha Sahoo and Timothy A. Hall
A method and apparatus for optimal dynamic spectrum access (DSA) by a Secondary User (SU) in a Primary User (PU) LTE network is proposed. The cumulative hazard function from Survival Analysis is used to determine the probability of an SU successfully transmitting over a certain number of Physical

Self-Referenced Ambient Radiation Thermometer

NIST Inventors
Howard W. Yoon
In this work, we describe the construction and characterization of an Ambient-Radiation Thermometer (ART) which can measure non-contact temperatures from -50 deg C to 150 deg C. To increase the long-term stability of the responsivity, optical components within the field-of-view of the detector and

Closed-loop Controlled Chemical Apparatus

NIST Inventors
Arvind Balijepalli , Curt A. Richter and Son T. Le
A closed-loop controlled chemical apparatus includes: a compound sensor including: an analyte sensor and that: produces, by the analyte sensor, a voltage signal; a reference sensor in electrical communication with the analyte sensor; a transistor including a gate terminal such that a drain current

Prelithiated Lithium Ion Battery And Making A Prelithiated Lithium Ion Battery

NIST Inventors
Christopher Soles , Vladimir Oleshko and Jabez J McClelland
A prelithiated lithium ion battery includes: ion beam implanted lithium; a cathode; and an anode disposed on the cathode and an electrolyte in electrical communication with the cathode and the anode, the cathode or the anode including the ion beam implanted lithium such that: when the cathode

Ultra-Conformal Microprint and Ultra-Conformal Microprint Transferring

NIST Inventors
Gary Zabow
A process for making an ultra-conformal microprint by ultra-conformal microprint transferring includes: disposing a transfer moiety arranged in a microstructure on a transfer substrate; disposing a glassy transfer layer on the transfer moiety; forming a glassy composite; removing the glassy

Multidimensional Printer

NIST Inventors
Glenn Holland and Andrei Kolmakov
A multidimensional printer makes a multidimensional structure from a liquid composition and includes: an energetic crosslinking particle source; a vacuum chamber that receives energetic crosslinking particles from the energetic crosslinking particle source; a membrane that transmits the energetic

Optical Refraction Barometer

NIST Inventors
Kevin O Douglass , Stephen Eckel , Jacob Edmond Ricker and Jay H. Hendricks
A new method for measuring refractivity-based pressure changes using a dual Fabry-Perot cavity utilizing a single laser with off-set sideband locking to the second cavity. The method thus far has shown sensitivity and resolution of 4 mPa.

Quantum Waveguide Infrared Photodetector

A novel quantum well infrared photodetector (QWIP) is proposed, which provides an unprecedented signal-to-noise ratio compared any other infrared detector. The key feature is the ability to inject light in the absorbing regions in the plane of the detector material layers, rather than surface normal
Displaying 76 - 100 of 271
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