Projects/Programs

Displaying 1 - 20 of 20

Calcium Thermal Beam Optical Clock

Ongoing

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

CODATA values of the fundamental physical constants

Ongoing

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

Compact Cold Atom Instruments

Ongoing

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

Femtosecond-Laser Frequency Combs for Optical Clocks

Ongoing

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

FPGA Design

Ongoing

Our group is developing FPGA based digital phase noise measurement and control systems.

Frequency Comb Calibration of Astronomical Spectrographs

Ongoing

We have constructed portable frequency combs that have provided in situ calibration of astronomical spectrographs, to aid in the search for exo-planets.

Frequency Comb Spectroscopy

Ongoing

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

Frequency Measurement and Analysis Service (FMAS)

Ongoing

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

Indoor Localization and Tracking

Ongoing

This web page is simply a pointer to another page that covers the extensive research program in indoor localization and tracking at NIST.

Ion Optical Clocks and Precision Measurements

Our research focuses on the use of trapped ions for precision measurements. In particular, we are interested in optical frequency metrology, which provides the

5 MHz Graph of phase noise vs. offset frequency showing NIST synthesized signal, Wenzel OXCO, and BVA oscilloquartz.

Low-Phase Noise Frequency Synthesis

Ongoing

Design and implementation of low-phase noise oscillators and synthesizers

Microfabricated Optically Pumped Magnetometers

Ongoing

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

Microresonator Device Research

Ongoing

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

PM/AM Noise Calibration Services

Ongoing

The group provides calibration services 77130C and 77140S for phase and amplitude noise measurements.

Optical Cavities for Laser Stabilization

Ongoing

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

Optical and Microwave Waveform Synthesis

Ongoing

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

Optical Two-way Time-frequency Transfer

Ongoing

This project aims to develop techniques for precise time-frequency transfer across free-space to support future optical clock networks.

Precision Measurement Grants Program

Ongoing

Since 1970, the National Institute of Standards and Technology (NIST) has awarded Precision Measurement Grants for significant research in the field of

Images shows the electrodes of an ion trap spanning multiple trap zones. Electrodes are labelled: load zone, rf electrode and experiment zone

Quantum Information and Quantum-Limited Metrology

Ongoing

The coherent control of quantum-mechanical systems holds promise for revolutionizing technologies including computing, simulation, secure communication and

Time Measurement and Analysis Service (TMAS)

Ongoing

The NIST Time Measurement and Analysis Service (TMAS) was designed to serve any organization that is required to maintain an accurate local time standard. The

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