Physics Portal - OverviewPhysics research at NIST includes everything from improving the safety of medical radiation procedures to developing future "quantum information" technologies that generate unbreakable codes. NIST provides the measurements, standards, and technical expertise scientists and industries need to push the limits of the fundamental properties of nature. Subject Areas
Programs and Projects
Electron Beam Ion Trap (EBIT) Facility
The NIST EBIT Facility is used to investigate the science and applications of highly charged ions. more
ANSI N42.42 Standard
The purpose of the N42 data format is to facilitate manufacturer-independent transfer of information from radiation measurement instruments for … more
IECn42
The purpose of the IEC 62755 standard N42 data format is to facilitate manufacturer-independent transfer of information from radiation measurement … more
Collagen Films Protocol
Background: Collagen type 1 is the most prevalent extracellular protein in connective tissue, and is part of the family of collagens that are … more
Thermometry
The NIST Thermodynamic Metrology Group maintains and develops national standards of temperature (in the range 0.65 K to 1235 K), and supports … more
Three-Dimensional Nanometer Metrology
Three-dimensional measurements of nanometer-scale structures are of increasing importance for nanoscience and nanomanufacturing, including the … more Instruments
Primary optical watt radiometer (POWR) facility
POWR is a cryogenic electrical substitution radiometer that serves as the Nation's optical power reference. more
Lunar spectro-radiometer
Design of the lunar irradiance instrument is based on commercially available spectrographs. These spectrographs can be stable and sub-components … more
Infrared reference integrating sphere (IRIS)
An integrating-sphere system has been designed and constructed for the measurement of multiple optical properties in the infrared spectral range. … more
Synchrotron Ultraviolet Radiation Facility SURF III
The Synchrotron Ultraviolet Radiation Facility SURF III is operated by the National Institute of Standards and Technology NIST as a stable light … more
Bidirectional optical scattering facility
Goniometric optical scatter instrument (GOSI) The bidirectional reflectance distribution function (BRDF) quantifies the angular distribution of … more
Spectrally tunable lighting facility
Solid-state lighting (SSL) is increasingly being introduced into the market and it is expected that many of the light sources currently used for … more Software
Electron holography
An electron hologram is a fringe modulated image containing the amplitude and phase information of an electron transparent object. The HolograFREE … more
SCATMECH
SCATMECH is an object-oriented C++ class library developed to distribute models for light scattering applications. Included in the library are … more
Modeled integrated scattering tool (MIST)
The MIST program has been developed to provide users with a general application to model an integrated scattering system. The program performs an … more
NIST's Integrated colony enumerator (NICE)
Enumeration of bacterial colonies on an agar plate is simple in concept, but automated colony counting is difficult due to variations in colony … more
Noncollinear phase matching in uniaxial and biaxial crystals
Although significant work has been done to characterize collinear phase matching and to present many of its applications, noncollinear phase … more
FPGA-based multicoincidence recipe and software
The Data Acquisition Platform project allows one to build their own data acquisition instruments that collect and, if necessary, statistically … more |
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