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Optical Metrology News

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NISTAR Radiometer Scheduled to Fly
Release Date: 12/02/2014

The NISTAR instrument prior to mounting on the DSCOVR spacecraft. The NIST Advanced Radiometer (NISTAR), mothballed for more than a decade, is … more

Mode Competition in Phonon Laser
Release Date: 11/19/2013

Mode competition in a “phonon laser." A pump power exceeding the threshold level for oscillation of the mechanical modes pictured in the upper … more

NIST Tests Underscore Potential Hazards of Green Laser Pointers
Release Date: 03/20/2013

Using a low-cost apparatus designed to quickly and accurately measure the properties of handheld laser devices, National Institute of Standards … more

High Efficiency Single Photon Detector
Release Date: 02/19/2013

Francesco Marsili at the SPD experiment. The metal cylinder at top left is the device's cryogenic enclosure. A single photon may not seem like … more

Photonic Thermometers
Release Date: 11/28/2012

Click here for animation of how the ring resonator is used as a photonic thermometer. For nearly a century, the instrument of choice for accurate … more

JILA Frequency Comb Helps Evaluate Novel Biomedical Decontamination Method
Release Date: 06/14/2012

Like many new measurement tools, the laser frequency comb seemed at first a curiosity but has found more practical uses than originally imagined. … more

Predicting the Lifetime of Extreme UV Optics
Release Date: 07/13/2005

Extreme ultraviolet lithography (EUVL) may be the next-generation patterning technique used to produce smaller and faster microchips with feature … more

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