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. Joint Quantum Institute (JQI) >> At Earth from a Distance: NIST’s Role in Observing Our Planet from Space >> Subject Areas
Programs and Projects
Air Kerma Calibrations in Radiation Protection Level 137Cs and 60Co Gamma Ray Beams
The Dosimetry Group maintains and disseminates the national measurement standards for air-kerma (exposure) from 137 Cs and 60 Co gamma-ray beams … more
Advanced Microwave Photonics
Research on quantum information (QI) seeks to control and exploit exotic properties of quantum mechanics, and researchers are already generating … more
Solid-state lighting metrology
With the rise of new, energy-efficient solid-state lighting (SSL) systems has come the need for new performance metrics and measurement methods to … more
Atomic Standard for Pressure
NIST scientists are developing a highly accurate primary standard for pressure in the range 2 MPa to 7 MPa based on fundamental physical … more
Atomic Spectroscopy Data Center
Critical compilations of atomic energy levels, transition wavelengths, and transition probabilities. Online databases. more
Cold-Atom Devices
The cooling of atoms to microkelvin temperatures using lasers is currently enabling a new generation of precision instruments that take advantage … more Instruments
Ultrafast Terahertz Spectroscopy and Imaging
Three independent femtosecond laser systems are used for generating ultrafast pulses in the mid-IR and Terahertz (THz) spectral regions through … more
Neutron Interferometer and Optics Facility (NIOF)
The Neutron Interferometry and Optics Facility (NIOF) located in the NIST Center for Neutron Research Guide Hall is one of the world's premier … more
BMDO transfer radiometer (BXR)
NIST developed the BMDO transfer radiometer (BXR) to calibrate small-aperture blackbodies for the test facilities of the Missile Defense Agency … more
Advanced infrared radiometry and imaging
Radiation thermometers and blackbodies can be calibrated using a set of blackbodies. These blackbodies can vary in size and can be fixed-points of … more
Radiance temperature calibration laboratory
Radiance Temperature Calibration Laboratory is used for the calibration of radiation thermometers, tungsten-strip lamps and heat flux gauges. more
Beamline 3: Center for Advanced Synchrotron Radiation-Based Metrology
Streamlining Detector-based Radiometry at SURF III NIST has maintained the Synchrotron Ultraviolet Radiation Facility (SURF) for nearly 6 decades … more Software
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
FPGA-based Digital Control Box for Phase Stabilization of a Frequency Comb
This page provides information on firmware/software used at NIST to phase-lock a frequency comb. The firmware/software operates with hardware that … more
Electron holography
An electron hologram is a fringe modulated image containing the amplitude and phase information of an electron transparent object. The HolograFREE … 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
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 |
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