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Physics Portal - Overview

Physics 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.

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Programs and Projects
NIST Time Measurement and Analysis Service (TMAS)

The NIST Time Measurement and Analysis Service (TMAS) was designed to assist laboratories that maintain an accurate local time standard. The … more

NIST Frequency Measurement and Analysis Service (FMAS)

The NIST Frequency Measurement and Analysis Service (FMAS) makes it easy to measure and calibrate any quartz, rubidium, cesium, or hydrogen maser … more

NIST Standard Reference Simulation Website

The Standard Reference Simulation Website is an ongoing project whose aim is to provide well-documented simulation results for a variety of … more

Quantum information technology and correlated photon radiometry

We develop methods and devices to further radiometric techniques and quantum information technology. This includes developing and characterizing … more

Spectroscopy of Engineered Atoms

Experiments with atomic systems designed to have features more favorable for improved measurements of atomic properties and constants of nature. more

Quantum Information and Measurements

America's future prosperity and security may rely in part on the exotic properties of quantum mechanics. Research on quantum information (QI) … more

Instruments
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

Beamline 5: Electron beam imaging

Beamline 5 of the Synchrotron Ultraviolet Radiation Facility is a diagnostics end-station used to determine the transverse size of the stored … more

Beamline 10: Electron beam imaging

Beamline 10 of the Synchrotron Ultraviolet Radiation Facility is a diagnostics end-station used to determine the transverse size of the stored … more

Beamline 3: Facility for Irradiance Calibration Using Synchrotrons

Streamlining Detector-based Radiometry at SURF III NIST has maintained the Synchrotron Ultraviolet Radiation Facility SURF for nearly 6 decades as … more

Beamline 4: Ultraviolet Optical Properties and Calibrations

Beamline 4 is a general purpose radiometric beamline consists of a 2 m monochromator to disperse radiation from SURF III. An Absolute Cryogenic … more

NIST Gonio-spectroradiometer

The NIST gonio-spectroradiometer is used to measure total spectral radiant flux (TSRF) of incandescent lamps. The instrument consists of a 3-axis … more

Software
FPGA-based multicoincidence recipe and software

This project allows investigators to build their own data acquisition instruments to collect and statistically process data in real time, then … more

Old Version of FPGA

NOTE: THIS PAGE REFERS TO THE ORIGINAL VERSION OF THIS PROJECT. THE NEWEST VERSION, DATED JANUARY 2015, CAN BE FOUND HERE.   This first (and … 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

SCATMECH

SCATMECH is an object-oriented C++ class library developed to distribute models for light scattering applications. Included in the library are … 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

jb95 Spectral fitting program

A graphical user interface program, JB95 , based on a Windows 95 © API platform has been written in the C programming language to aid in the … more

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