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Metrology

Optical / photometry / laser metrology

News and Updates

Keyword

Organization

Transforming Welding with Comprehensive NIST Metrology

February 2, 2016

Welding has been around, in some form, for centuries. Today it enables a large percentage of the U.S. economy,* thanks to its role in the creation of a diverse

Thinking Outside the Cuvette: To Measure Dimensions of Skinny Glass Container, PML Scientists Get Creative

February 1, 2016

Let's say you're a biotechnologist working to develop new medicines or a better test for forensic analysis. You might find yourself frequently using absorbance

Ringing in a New Way to Measure and Modulate Trapped Light

December 22, 2015

Researchers working at the National Institute of Standards and Technology (NIST) have developed a novel way to noninvasively measure and map how and where

Reading the Secrets of Ancient Light

June 19, 2015

Much of what we know about the origin and early history of the universe comes from a phenomenon discovered by accident 50 years ago: The cosmic microwave

Photonic Thermometers: Out of the Lab, Into a Bucket of Water

April 28, 2015

A new class of tiny chip-based thermometers being developed by PML's Sensor Science Division has the potential to revolutionize the way temperature is gauged

integrating sphere for light measurements

Following a New MAP for Solid-State Lighting

February 19, 2015

LED lights are notably cool. But as an industry sector, solid-state lighting (SSL) keeps heating up, with demand growing rapidly in residential, commercial, and

New Accelerometer Calibration Service to Start Soon

February 19, 2015

In a few weeks, NIST will begin offering a new, state-of-the-art calibration service for accelerometers. Based on a technique called laser interferometry, the

Lighting the Path to Smaller, Tougher Thermometers

December 15, 2014

Two new prototypes for tiny chip-based thermometers are illuminating light's potential to revolutionize the way temperature is gauged. With further development

Taking the Wraps off NISTAR

December 2, 2014

The NIST Advanced Radiometer (NISTAR), mothballed for more than a decade, is slated to make its space debut very soon about 1.5 million kilometers sunward of

Low Error-Rate Detector System for Telecommunications

December 2, 2014

NIST scientists have devised an experimental photon-detection system for communications with error rates far below even the most ideal conventional designs

Gauging the Hue of the Sea

November 24, 2014

The world's oceans face multiple threats, and fisheries, marine biologists, and environmental scientists need accurate and timely data about changing conditions

Earth Science: Seeing the Surface Clearly

November 24, 2014

Satellite observation has revolutionized our understanding of terrestrial conditions and climate dynamics. But the measurement science is extremely demanding

World's First Photonic Pressure Sensor Outshines Traditional Mercury Standard

October 29, 2014

For almost 400 years, mercury gauges have prevailed as the most accurate way to measure pressure. Now, within weeks of seeing "first light," a novel pressure

NIST Laser Comb System Maps 3D Surfaces Remotely for Manufacturing, Forensics

October 7, 2014

Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a laser-based imaging system that creates high-definition 3D maps of

Photons by the Numbers

September 25, 2014

A NIST team is at work on what promises to be one of the world's most accurate methods for generating a specified number of photons, and has devised a method to

Calibrating Cancer Radiotherapy Beams Using Light and Sound

September 17, 2014

Doctors shrink tumors with radiation therapy, but a badly calibrated beam can cause serious complications. Scientists in NIST's Radiation Physics Division in

Now You See It: Electromagnetically Induced Transparency in a Silicon Nitride Optomechanical Crystal

April 9, 2014

Researchers from the NIST Center for Nanoscale Science and Technology (CNST) have observed electromagnetically induced transparency at room temperature and

NIST Gives Astronomers a Better Ruler in the Search for Extrasolar Planets

March 26, 2014

Researchers at the National Institute of Standards and Technology (NIST) have rejuvenated a technique for finding planets near distant stars.* New measurements

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

NIST Carbon Nanotube Chips Go Ballooning for Climate Science

October 22, 2013

A huge plastic balloon floated high in the skies over New Mexico on Sept. 29, 2013, carrying instruments to collect climate-related test data with the help of

Force to be Reckoned With: NIST Measures Laser Power with Portable Scale

October 22, 2013

Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a novel method for measuring laser power by reflecting the light off

NIST Unveils Prototype Video Imaging System for Remote Detection of Hidden Threats

September 30, 2013

By adapting superconducting technology used in advanced telescope cameras, researchers at the National Institute of Standards and Technology (NIST) have built a

High-Efficiency Photon Source Brings Day of Reckoning Closer for a Famous Quantum Test

June 25, 2013

Physicists working at the National Institute of Standards and Technology (NIST) and the Joint Quantum Institute (JQI) are edging ever closer to getting really

A NIST team has created an ultraviolet (UV) metamaterial formed of alternating nanolayers of silver (green) and titanium dioxide (blue)

The Better to See You With: Scientists Build Record-Setting Metamaterial Flat Lens

May 23, 2013

For the first time, scientists working at the National Institute of Standards and Technology (NIST) have demonstrated a new type of lens that bends and focuses

NIST Boulder researcher Johannes (Hannes) Hubmayr

NIST Goes to the End of the Earth for Measurement Science

April 3, 2013

NIST Boulder researcher Johannes (Hannes) Hubmayr recently spent several weeks at the South Pole Telescope, where he optimized the performance of a NIST camera

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----Data Services Group
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---Biosystems and Biomaterials Division
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---Chemical Sciences Division
----Biochemical and Exposure Science Group
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----Gas Sensing Metrology Group
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