Take a sneak peek at the new NIST.gov and let us know what you think!
(Please note: some content may not be complete on the beta site.).

View the beta site
NIST logo
NIST Home > Physics Programs and Projects 
 

Physics Programs & Projects

(showing 16 - 30 of 250)
Color and appearance
Last Updated Date: 03/01/2016

We are developing instrumentation, standards artifacts, and measurement protocols to characterize appearance attributes including color, texture, … more

Atomic Standard for Pressure
Last Updated Date: 02/24/2016

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
Last Updated Date: 02/24/2016

Critical compilations of atomic energy levels, transition wavelengths, and transition probabilities. Online databases.

Cold-Atom Devices
Last Updated Date: 02/19/2016

The cooling of atoms to microkelvin temperatures using lasers is currently enabling a new generation of precision instruments that take advantage … more

Newtonian constant of gravitation international consortium
Last Updated Date: 01/21/2016

The Newtonian constant of gravitation G is one of the most fundamental constants of classical physics. Recent measurements of G are in … more

Laser Applications
Last Updated Date: 01/19/2016

High power lasers capable of continuous output powers ranging from hundreds of watts to tens-of-thousands of watts present exciting opportunities … more

Novel materials for enhancing spin information
Last Updated Date: 01/04/2016

Most computing technology relies on the presence or absence of charge to represent binary information during computation. Limitations in reducing … more

Precision Measurement Grants Program
Last Updated Date: 12/30/2015

Since 1970, the National Institute of Standards and Technology (NIST) has awarded Precision Measurement Grants to faculty members of U.S. … more

Calcium Optical Beam Clock
Last Updated Date: 12/22/2015

A simple, compact alternative to the highest performing optical standards, the Ca clock uses a thermal beam of neutral atoms with one or two … more

Optical Cavities for Laser Stabilization
Last Updated Date: 12/22/2015

Optical cavities are essential elements of optical atomic clocks, as they serve to pre-stabilize the clock laser. Our Group is currently … more

Frequency Comb Spectroscopy
Last Updated Date: 12/22/2015

We use frequency combs based on ultrafast mode-locked lasers to perform precision spectroscopy in the near- and mid-infrared domains, for rapid, … more

Frequency Comb Calibration of Astronomical Spectrographs
Last Updated Date: 12/22/2015

We have constructed portable frequency combs that have provided in situ calibration of astronomical spectrographs, to aid in the search for … more

Femtosecond Laser Frequency Combs for Optical Clocks
Last Updated Date: 12/22/2015

We develop self-referenced mode-locked femtosecond lasers that function as the "gears" of optical clocks. The femtosecond laser clockwork is … more

Yb Lattice Clock
Last Updated Date: 12/22/2015

Our Group is developing high stability, high accuracy optical atomic clocks based on thousands of Yb atoms confined to an optical lattice. Such … more

Optical and Microwave Waveform Synthesis
Last Updated Date: 12/22/2015

We use femtosecond-laser frequency combs to generate optical and microwave waveforms with unprecedented noise performance.     more

Related Links in:Physical Measurement Laboratory 
Contact
General Information:
301-975-NIST (6478)
inquiries@nist.gov

100 Bureau Drive, Stop 1070
Gaithersburg, MD 20899-1070