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Time and Frequency Programs & Projects

(showing 1 - 12 of 12)
Precision Measurement Grants Program
Last Updated Date: 08/25/2015

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

Time Measurement and Analysis Service (TMAS)
Last Updated Date: 08/25/2015

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

Frequency Measurement and Analysis Service (FMAS)
Last Updated Date: 08/25/2015

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

CODATA values of the fundamental constants
Last Updated Date: 08/25/2015

Every four years, the Committee on Data for Science and Technology (CODATA) issues recommended values of the fundamental physical constants. The … more

Cold-Atom Devices
Last Updated Date: 08/18/2015

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

Vapor Cell Devices
Last Updated Date: 08/18/2015

We are developing microfabricated high-performance atomic magnetometers for magnetic anomaly detection, nuclear magnetic resonance and biomagnetics. more

Optical and Microwave Waveform Synthesis
Last Updated Date: 08/18/2015

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

Calcium Optical Beam Clock
Last Updated Date: 08/18/2015

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: 08/18/2015

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

Microresonator Device Research
Last Updated Date: 08/18/2015

With micro-resonators (fabricated in house or by collaborators) we are developing microcombs, integrated reference cavities and low-noise laser … more

Frequency Comb Spectroscopy
Last Updated Date: 08/17/2015

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: 08/17/2015

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

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