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Physical Measurement Laboratory

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Clever NIST/JPL Technology Decodes More Information from Single Photons

February 11, 2014

It's not quite Star Trek communications—yet. But long-distance communications in space may be easier now that researchers at the National Institute of Standards

Researchers Develop Framework for Understanding Current-Switched Magnetic Devices

February 5, 2014

An international collaboration led by researchers from the NIST Center for Nanoscale Science and Technology (CNST) has made significant progress in modelling

A New Era for Atomic Clocks

February 4, 2014

A revolution is under way in timekeeping. Precision timekeeping based on atomic clocks already underpins much of our modern technology—telecommunications

Toward New Precision in Measuring the Neutron Lifetime

February 3, 2014

A team of PML scientists and collaborators* has achieved a five-fold reduction in the dominant uncertainty in an experiment that measured the mean lifetime of

Preparing the Next Generation of Female Physicists

February 3, 2014

"If the profession of physics is to thrive, we must make it our goal to achieve a scientifically literate society, a population that understands and values the

double-paddle oscillator in its mounting, seen from below

Surface Detail: Oscillator to Explore Secrets of Mass Variation

January 30, 2014

It might seem that when the world agrees on a new definition of the kilogram based on a fixed value of a physical constant, as is expected soon, no one will

Deborah Jin standing on the staircase at JILA

JILA/NIST Fellow Deborah Jin to Receive 2014 Comstock Prize in Physics

January 29, 2014

Physicist Deborah Jin of the National Institute of Standards and Technology (NIST) has been named the recipient of the 2014 Comstock Prize in Physics. The

It's About Time—But Also Much More

January 23, 2014

DOC Guest Blog by JILA and University of Colorado Student Ben Bloom with JILA/NIST Fellow Jun Ye. JILA is a joint institute of NIST and the University of

JILA Strontium Atomic Clock Sets New Records in Both Precision and Stability

January 22, 2014

Heralding a new age of terrific timekeeping, a research group led by a National Institute of Standards and Technology (NIST) physicist has unveiled an

PML Measurements Drive Development of New Length Artifact

January 17, 2014

Laser trackers are state-of-the-art measuring machines that are capable of measuring the dimensions of large objects (up to approximately 120 meters in length)

simulation of laser flashes on windshield

Helping the Judicial System Understand Laser Strikes on Aircraft

January 14, 2014

Joshua Hadler and colleagues in PML's Quantum Electronics and Photonics Division have devised a simple, accurate measurement system that can help law

NIST Stars in Media's Top Science and Technology Stories of 2013

January 14, 2014

National Institute of Standards and Technology (NIST) advances in atomic clocks and telescope cameras made it into five magazines' lists of the top science and

New Value for the Planck Constant May Hasten Electronic Kilogram

January 14, 2014

After two years of difficult and meticulous work examining, refurbishing, and testing the aging workhorse watt balance called NIST-3, PML researchers have used

Val Miller demonstrates volume instrument.

OWM Sees Progress in Proficiency Testing

December 23, 2013

Americans rely on many measurements of mass and volume in their daily lives, from weighing broccoli at the grocery store to putting gas in the family car. In

Wineland Elected Fellow of National Academy of Inventors

December 17, 2013

National Institute of Standards and Technology (NIST) Fellow and Nobel laureate David Wineland has been named a fellow of the National Academy of Inventors (NAI

Schematic showing an input signal at 980 nm frequency shifted to the 1550 nm wavelength band through the application of two strong pump lasers.

A Frequency Conversion Interface to the Telecommunications Band Using Nanophotonics

December 17, 2013

Using nanofabricated waveguides in a silicon-based platform, researchers from the NIST Center for Nanoscale Science and Technology (CNST) have developed a

Steve Blankenship Wins AVS George T. Hanyo Award for Outstanding Performance in Technical Support of Research

December 16, 2013

Steve Blankenship, an Instrumentation Specialist in the NIST Center for Nanoscale Science and Technology (CNST), has been awarded the 2013 George T. Hanyo Award

PML Study Supports Validity of Toolmark Identification in Forensics

December 13, 2013

Toolmark identification is an important forensic discipline where scrape and impression marks found at a crime scene are used to identify the type, brand, or

Probing the Inner Secrets of Nanowires

December 11, 2013

Semiconductor nanowires (NWs) are vanishingly small: NWs from a recent batch made by scientists in PML's Quantum Electronics and Photonics Division measure

JILA Team Develops 'Spinning Trap' to Measure Electron Roundness

December 5, 2013

JILA researchers have developed a method of spinning electric and magnetic fields around trapped molecular ions to measure whether the ions' tiny electrons are

Welcome Guests: Added Molecules Allow Metal-Organic Frameworks to Conduct Electricity

December 5, 2013

Scientists from the National Institute of Standards and Technology (NIST) and Sandia National Laboratories have added something new to a family of engineered

Electron beam induced current (red) superimposed on a scanning electron micrograph (gray). Bright contrast in the vicinity of grain boundaries indicates that these regions have higher carrier collection efficiency than the grain interiors.

Characterizing Solar Cells with Nanoscale Precision Using a Low-Energy Electron Beam

December 4, 2013

Researchers from the NIST Center for Nanoscale Science and Technology (CNST) have demonstrated a new low energy electron beam technique and used it to probe the

NIST Calibration Tools to Encourage Use of Novel Medical Imaging Technique

December 3, 2013

The National Institute of Standards and Technology (NIST) has developed prototype calibration tools for an experimental medical imaging technique that offers

NIST Demonstrates How Losing Information Can Benefit Quantum Computing

November 25, 2013

Suggesting that quantum computers might benefit from losing some data, physicists at the National Institute of Standards and Technology (NIST) have entangled

Controllable Mode Competition in a Phonon Laser

November 19, 2013

Using a novel realization of a "phonon laser," scientists at PML and the Joint Quantum Institute (JQI) have observed and learned to control a process called

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