Projects/Programs

Displaying 1 - 16 of 16

Electrical performance measurements and calibrations for photovoltaic cells and arrays

Ongoing

Objective To develop or improve the electrical and optical measurement science of photovoltaic cells to: (1) continue offering a calibration service to allow industry and academia to accurately assess device performance under a range of operating conditions, (2) offer a new measurement service for

Far infrared remote sensing

Ongoing

The Total Solar Irradiance and the outgoing Earth radiance are long term measurements that have been monitored from space for over 40 years. Microfabricated, absolutely calibrated bolometers with vertically-aligned carbon nanotubes that are developed by this project provide a more accurate and more

Femtosecond Nonlinear Optical Spectroscopy of Nanoscale Materials

Ongoing

The purpose of this project is to develop and refine spectroscopic techniques based on nonlinear optics for the study of novel materials. Measurements that isolate the nonlinear response are often better able to uncover physical processes that, in the linear response, are subtle and hard to isolate

Fiber Sources and Applications Background Information

Ongoing

NIST has been a world leader in lasers since the technology's development in the early 1960s, a tradition continued when NIST scientist John L. Hall shared the 2005 Nobel Prize in physics for his part in the invention of the optical frequency comb. The output of a comb is a brief broadband pulse

Fiber-optic Frequency Comb Development

Ongoing

Frequency combs have found a wide range of applications beyond just optical metrology. Applications include laser ranging, precision molecular spectroscopy in the lab and over the air, optical timing distribution, low-noise microwave generation and support for optical clocks. All these applications

GaN Nanowire Growth

Ongoing

Selective epitaxy: We have demonstrated that the diameter and placement of nanowires can be controlled by using silicon nitride (SiNx) masks on top of MBE-grown buffer layers (see figure). With electron beam lithography, several patterns with 3 mm die size that provide over 100,000 controlled

GaN Nanowire Metrology and Applications

Ongoing

GaN Nanowire LEDs: Our selective epitaxy methods and dopant characterization techniques have enabled fabrication of arrays of nanowire LEDs with controlled location and spatial layout. This development is complemented by modeling of the carrier flow and recombination. These LEDs were combined to

High-Power Laser Applications

Ongoing

Measurement challenges Traditional measurements of laser power or energy involve absorbing the laser light and measuring the resulting temperature increase of the absorber. However, as the power and total energy delivered by these lasers increases, thermal management, absorber size, and response

Schematic illustration of the integrated near-field optoelectronic (INFO) probe showing light emission, microwave reflection lines for measuring specimen conductivity and/or magnetization, and simultaneous contact topography feedback.

Integrated Near-field Optoelectronic (INFO) Scanning Probe

Ongoing

In a collaboration between the Nanoelectromagnetics Project and the Quantitative Imaging Project, we have fabricated and tested a GaN nanowire mounted on an AFM tip as a near-field scanning microwave microscopy (NSMM ) tip (see Fig. 2(a) below ). A tungsten atomic layer deposition (ALD) coating

A scanning electron micrograph of a QDOGFET device used for photon number-resolving detection.

Nanostructure Fabrication and Metrology

Completed

This project develops semiconductor nanostructures, especially self-assembled quantum dots and photonic crystals, for a variety of applications including single photonics, laser diodes, and quantum optical metrology. It also develops quantum optical metrology based on other sources and detectors

Planar absolute cryogenic radiometer with multiwall vertically-aligned carbon nanotubes. Superconducting transition-edge sensor. Fully-lithographic fabrication.

Photonic Radiometry

Ongoing

Meeting the needs of the photonics industry and anticipating emerging technologies requires investigation and development of improved measurement methods and instrumentation. This project develops state-of-art, absolute microfabricated thermal detectors with absorber coatings consisting of carbon

Quantum Radiometry

Ongoing

For quantum applications, it is important to generate quantum states of light and detect them with extremely high efficiency. This project explores the metrology challenges associated with precision measurement of single photon sources and detectors. The classical photonic radiometry techniques used

Single Photonics and Quantum Information

Ongoing

One of the activities in this group is the development of single photon technologies for quantum information science and technology. We work closely with the Nanostructure Fabrication and Metrology Project on the generation of novel non-classical states of light and the detection of single photons

Super-Continuum Laser Solar Simulator

Completed

The design of the super-continuum solar simulator is shown below. Light is produced from 450 nm to 2400 nm in sub-nanosecond pulses at a repetition rate of 80 MHz. The total irradiance is sufficient to illuminate a 1 cm 2 cell at more than 1-sun. Initial tests have confirmed that solar cells respond

Passive millimeter-wave image of concealed contraband (handgun and ceramic knife).

Terahertz Imaging and Sources

Ongoing

Over the past several years, we have focused on bolometric detection of THz radiation. Our initial work on cryogenic detectors has been extended to antenna-coupled bolometers operating at room temperature. These detectors provide a rugged, low-cost alternative for homeland security applications; e.g

Waveform Metrology Project

Ongoing

Optical measurement techniques: NIST uses the electro-optic sampling (EOS) technique to measure the vector response of photodiodes and provide phase traceability for commercial instrumentation, such as large-signal network analyzers, lightwave component analyzers, vector signal analyzers

NIST Headquarters
-Creating Helpful Incentives to Produce Semiconductors for America (CHIPS)
--CHIPS Program Office
---CHIPS Program Headquarters
----CHIPS Program Headquarters - HQ
----Opportunity & Inclusion Group
---External & Government Affairs Division
----External & Government Affairs – HQ
---Investments Division
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---Operations Office
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---Risk Management Division
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---Strategy, Technology & Policy Division
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--CHIPS Research & Development Program Office
---CHIPS Research & Development Program Headquarters Division
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----Integration & Policy Office
----Outreach & Partnerships Office
---External R&D Partnerships Division
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----National Advanced Packaging Manufacturing Program Group
----National Semiconductor Technology Center Group
---Industrial Advisory Committee
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---Semiconductor Manufacturing Institute Division
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-Management Resources
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---Gaithersburg Design and Construction Division
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---Identity, Credential, and Access Management Division
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---Infrastructure Services Division
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---Boulder Safety, Health and Environment Division
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--Office of Financial Resource Management
---Financial Systems and Reporting Division
----CBS Core Support Group
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---Office of Financial Resource Management
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---Finance Division
----Finance - HQ
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----Financial Operations - HQ
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---Budget Division
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----Budget - HQ
----Formulation and Financial Management Group
-Laboratory Programs
--Communications Technology Laboratory
---RF Technology Division
----High-Speed Waveform Metrology Group
----Superconductive Electronics Group
----Metrology for Wireless Systems Group
----Guided Wave Electromagnetics Group
----Electromagnetic Fields Group
----RF Technology Division - HQ
---Smart Connected Systems Division
----IoT Devices and Infrastructures Group
----Networked Control Systems Group
----Smart Connected Manufacturing Systems Group
----Smart Grid Group
----Transformational Networks and Services Group
---Spectrum Technology and Research Division
----Applied Systems Metrology Group
----Fiber Sources and Applications Group
----Shared Spectrum Metrology Group
----Spectrum Technology and Research – HQ
---Wireless Networks Division
----Internet Technologies Research Group
----Radio Access and Propagation Metrology Group
----Wireless Networks Division - HQ
----Wireless Systems Innovation and Performance Group
---Public Safety Communications Research Division
----Public Safety Communications Research Division - HQ
----Advanced Communications Research Group
----Network Operations Group
---Communications Technology Laboratory HQ
----Communications Technology Laboratory HQ Gp
----Boulder Laboratory Director Office
----Communication Test Coordination Office
--Engineering Laboratory
---Building Energy and Environment Division
----Building Energy and Environment - HQ
----Mechanical Systems and Controls Group
----Indoor Air Quality and Ventilation Group
----HVAC&R Equipment Performance Group
----Heat Transfer and Alternative Energy Systems Group
---Intelligent Systems Division
----Intelligent Systems - HQ
----Manipulation and Mobility Systems Group
----Cognition and Collaboration Systems Group
----Production Systems Group
----Sensing and Perception Systems Group
---Materials and Structural Systems Division
----Earthquake Engineering Group
----Engineering Research Support Group
----Infrastructure Materials Group
----Inorganic Materials Group
----Community Resilience Group
----Materials and Structural Systems - HQ
----Polymeric Materials Group
----Structures Group
---Engineering Laboratory Office
----Applied Economics Office
----Disaster Impact Reduction Office
----Engineering Laboratory - HQ
----Engineering Laboratory Data, Security, Technology Group
---Fire Research Division
----National Fire Research Laboratory Group
----Wildland Urban Interface Fire Group
----Flammability Reduction Group
----Fire Research - HQ
----Engineered Fire Safety Group
----Fire Fighting Technology Group
---Systems Integration Division
----Life Cycle Engineering Group
----Process Engineering Group
----Information Modeling and Testing Group
----Systems Integration - HQ
--Information Technology Laboratory
---Applied Cybersecurity Division
----Applied Cybersecurity - HQ
----Cybersecurity and Privacy Applications Group
----National Cybersecurity Center of Excellence
----Trusted Identity Initiative Group
----NICE
---Computer Security Division
----Computer Security - HQ
----Cryptographic Technology Group
----Secure Systems and Applications Group
----Security Components and Mechanisms Group
----Security Test, Validation and Measurement Group
----Security Engineering and Risk Management Group
---Applied and Computational Mathematics Division
----Mathematical Software Group
----Mathematical Analysis and Modeling Group
----Quantum Information Group
----High Performance Computing and Visualization Group
----Applied and Computational Mathematics - HQ
---Statistical Engineering Division
----Applied and Computational Statistics Group
----Statistical Design, Analysis, and Modeling Group
----Statistical Engineering - HQ
---Software and Systems Division
----Systems Interoperability Group
----Software Quality Group
----Software and Systems - HQ
----Cyber Infrastructure Group
----Information Systems Group
---Information Access Division
----Information Access - HQ
----Biometric Technologies Group
----Multimedia Language Technologies Group
----Information Integrity Technologies Group
----Human-Centered Technologies Group
---Information Technology Laboratory Office
----Office of Computational Science for Metrology
----Office of Emerging Technologies
----Office of IT Standardization
----Office of Government and Industrial Liaison
----Information Technology Laboratory Office - HQ
----Office of Chief Cybersecurity Advisor
--Laboratory Programs
---Research Data and Computing Office
----Research Data and Computing Office – HQ
---Research Protections Office
----Research Protections Office - HQ
---Research Security and Safeguarding Science Office
----Research Security and Safeguarding Science - HQ
---Standards Coordination Office
----International Standards Policy and Coordination Group
----Standards and Conformity Assessment Services Group
----Standards Coordination Office - HQ
----National Voluntary Laboratory Accreditation Program (NVLAP)
---Special Programs Office
----Special Programs Office-HQ
----Law Enforcement Standards Office
---Associate Director for Laboratory Programs
----Associate Director for Laboratory Programs - HQ
--Material Measurement Laboratory
---Office of Reference Materials
----Business and Quality Management Group
----Business Application Development, Support, and Security Group
----Sales and Customer Services Group
----Publication and Web Services Group
----Office of Reference Materials - HQ
----Materials and Physical Services Group
---Office of Data and Informatics
----Office of Data and Informatics - HQ
----Data Services Group
----Data Sciences Group
---Biosystems and Biomaterials Division
----Biomarker and Genomic Sciences Group
----Cellular Engineering Group
----Biomaterials Group
----Genome-Scale Measurements Group
----Complex Microbial Systems Group
----Cell Systems Science Group
----Biosystems and Biomaterials Division - HQ
---Chemical Sciences Division
----Biochemical and Exposure Science Group
----Chemical Informatics Group
----Optical Measurements Group
----Chemical Process and Nuclear Measurements Group
----Gas Sensing Metrology Group
----Inorganic Chemical Metrology Group
----Biospecimen Science Group
----Environmental Chemical Sciences Group
----Chemical Sciences Division - HQ
----Marine Biochemical Sciences Group
----Organic Chemical Metrology Group
---Biomolecular Measurement Division
----Biomolecular Structure and Function Group
----Mass Spectrometry Data Center Group
----Bioprocess Measurements Group
----Bioanalytical Science Group
----Biomolecular Measurement Division - HQ
----Applied Genetics Group
---Applied Chemicals and Materials Division
----Applied Chemicals and Materials Division - HQ
----Thermodynamics Research Center Group
----Thermophysical Properties of Fluids Group
----Nanoscale Reliability Group
----Fluid Characterization Group
----Fatigue and Fracture Group
---Materials Science and Engineering Division
----Thermodynamics and Kinetics Group
----Polymers Processing Group
----Mechanical Performance Group
----Polymers and Complex Fluids Group
----Materials Science and Engineering Division - HQ
----Functional Polymers Group
----Functional Nanostructured Materials Group
---Materials Measurement Science Division
----Security Technologies Group
----Surface and Trace Chemical Analysis Group
----Nanomechanical Properties Group
----Nano Materials Research Group
----Materials Structure and Data Group
----Microscopy and Microanalysis Research Group
----Synchrotron Science Group
----Materials Measurement Science Division - HQ
----Data and AI-Driven Materials Science Group
---Material Measurement Laboratory Office
----The Material Measurement Laboratory Office of Operations Group
----Material Measurement Laboratory - HQ
----Genome-Scale Measurement Group
--NIST Center for Neutron Research
---NIST Center for Neutron Research
----Research Facility Operations Group
----NIST Center for Neutron Research - HQ
----Reactor Operations and Engineering Group
----Neutron-Condensed Matter Science Group
--Physical Measurement Laboratory
---Microsystems and Nanotechnology Division
----Biophysical and Biomedical Measurement Group
----Microsystems and Nanotechnology - HQ
----Nanostructure Fabrication and Measurement Group
----Photonics and Optomechanics Group
---Time and Frequency Division
----Atomic Devices & Instrumentation Group
----Precision Photonic Synthesis Group
----Quantum & Nonlinear Nanophotonics Group
----Atomic Standards Group
----Ion Storage Group
----Neutral Atom Optical Clocks Group
----Time Realization and Distribution Group
----Phase Noise Metrology Group
----Time and Frequency - HQ
---Quantum Physics Division
----Quantum Physics - HQ
---Radiation Physics Division
----Dosimetry Group
----Radioactivity Group
----Radiation Physics - HQ
----Neutron Physics Group
---Sensor Science Division
----Fundamental Thermodynamics Group
----Ultraviolet Radiation Group
----Sensor Science - HQ
----Dimensional Metrology Group
----Temperature & Humidity Group
----Remote Sensing Group
----Optical Radiation Group
----Fluid Metrology Group
----Surface and Interface Metrology Group
---Applied Physics Division
----Advanced Microwave Photonics Group
----Spin Electronics Group
----Applied Physics - HQ
----Faint Photonics Group
----Quantitative Nanostructure Characterization Group
----Quantum Devices Group
----Molecular and Bio-Photonics Group
----Optoelectronic Manufacturing Group
----Magnetic Imaging Group
----Quantum Nanophotonics Group
----Sources and Detectors Group
---Quantum Measurement Division
----Quantum Optics Group
----Mass and Force Group
----Quantum Measurement - HQ
----Laser Cooling and Trapping Group
----Fundamental Electrical Measurements Group
----Applied Electrical Metrology Group
----Atomic Spectroscopy Group
---Quantum Sensors Division
----Device Fabrication Group
----Long Wavelength Sensors and Applications Group
----Quantum Calorimeters Group
----Quantum Electronics Group
----Quantum Processing Group
----Quantum Sensors Group
----Quantum Sensors – HQ
----Nanoscale Spin Dynamics Group
----Microfabrication Group
----Spin Electronics Group
----Magnetics Group
---Nanoscale Device Characterization Division
----Atom Scale Device Group
----Nanoscale Device Characterization Division - HQ
----Alternative Computing Group
----Nanoscale Spectroscopy Group
----Advanced Electronics Group
----Nanoscale Processes and Measurements Group
---Physical Measurement Laboratory Office
----Boulder Microfabrication Facility
----Physical Measurement Laboratory- HQ
----PML Information Office
----Center for Nanoscale Science and Technology
----Office of Weights and Measures
----Boulder Laboratory Director Office
-Innovation & Industry Services
--Office of Advanced Manufacturing
---Microelectronics Manufacturing Division
----Microelectronics Manufacturing – HQ
----Microelectronics Strategy and Enterprise Group
----Semiconductor Coordination Group
----Semiconductor Operations Group
----Workforce and Equity Development Group
---Office of Advanced Manufacturing
----Office of Advanced Manufacturing - HQ
---Partnerships and Outreach Division
----Communications and Marketing Group
----Education and Workforce Development Group
----Partnership Engagement Group
----Partnerships and Outreach – HQ
----Technology Hubs Development Group
---Program Operations Division
----Competitions Group
----Institute and Program Management Group
----Performance Management Group
----Program Operations - HQ
---Strategy and Planning Division
----Analysis and Benchmarking Group
----Strategic Planning Group
----Strategy and Planning – HQ
--Baldrige Performance Excellence Program
---Baldrige Performance Excellence Program Office
----Award Process Group
----Director's Office, Baldrige Performance Excellence Program
----Administrative Support/Electronic Information Group
----Outreach and Communications Group
----Publications Management Group
----Workforce Development Group
--Innovation & Industry Services
---Associate Director for Innovation & Industry Services
----Associate Director for Innovation & Industry Services - HQ
---Advanced Manufacturing Office
----Advanced Manufacturing Office - HQ
---Economic Analysis Office
----Economic Analysis Office - HQ
---Technology Partnerships Office
----Technology Partnerships Office - HQ
---Technology Innovation Program Office
----Technology Innovation Program Office - HQ
--Hollings Manufacturing Extension Partnership Program
---National Platforms Division
----National Platforms – HQ
----Network Knowledge Management Group
----Supply Chain Group
---National Programs Division
----National Programs- HQ
---Network Learning and Strategic Competitions Division
----Network Learning and Strategic Competitions - HQ
---Outreach and External Affairs Division
----Outreach and External Affairs – HQ
---Performance Evaluation and Economic Impacts Division
----Performance Evaluation and Economic Impacts - HQ
----Performance Metrics and Evaluation Group
---Regional and State Partnerships Division
----Regional Management Group
----Regional and State Partnerships - HQ
---Network Agreements Management Division
----Network Agreements Management - HQ
----Node B Group
----Node A Group
---Internal Operations Division
----Internal Operations – HQ
----Center Operations and Financial Management Group
---Extension Services Division
----Extension Services - HQ
---Hollings Manufacturing Extension Partnership Program Office
----Hollings Manufacturing Extension Partnership Program - HQ
-Director's Office
--Director's Office
---Ombuds Office
----Ombuds Office - HQ
---Public Affairs Office
----Media Liaison Group
----Video and Digital Media Production Group
----Public Affairs Office - HQ
----Internal Communications and Inquiries Group
----Conference Program and Audiovisual Services Group
----Boulder Meetings Support and Services Group
----Web Content Development Group
---Program Coordination Office
----Program Coordination Office - HQ
---Director's Office
----Director's Office - HQ
----Onboarding Group
---Congressional and Legislative Affairs Office
----Congressional and Legislative Affairs Office - HQ
---Human Subjects Protection Office
----Human Subjects Protection Office - HQ
---Management and Organization Office
----Management and Organization Office- HQ
---International and Academic Affairs Office
----International and Academic Affairs Office - HQ