Time and Frequency News | |
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First 2D Pictures of a 'Frequency Comb' Transform It into a Brush
Release Date: 02/07/2007 Technique Reveals Colors and Intensity of All Lightwaves Simultaneously False-color images of the "fingerprints" of molecular iodine, … more
O’Brian Named Director of NIST Boulder Laboratories
Release Date: 10/26/2006 Thomas R. O'Brian, chief of the Time and Frequency Division at the National Institute of Standards and Technology (NIST), has been appointed … more
NIST Physicists Boost 'Entanglement' of Atom Pairs
Release Date: 10/18/2006 The NIST process for "purifying" an unusual property of quantum physics called entanglement involves illuminating two pairs of beryllium ions … more
Mercury Atomic Clock Sets Time-Keeping Record
Release Date: 07/20/2006 NIST physicist Jim Bergquist with the world's most accurate clock. The silver cylinder in the foreground is a magnetically shielded cryogenic … more
Mercury Atomic Clock Keeps Time with Record Accuracy
Release Date: 07/14/2006 BOULDER, COLO.—An experimental atomic clock based on a single mercury atom is now at least five times more precise than the national … more
"Frequency Comb" Spectroscopy Proves to be Powerful Chemical Analysis Tool
Release Date: 03/16/2006 Boulder, Colo. -- Physicists at JILA have designed and demonstrated a highly sensitive new tool for real-time analysis of the quantity, structure, … more
Enjoy New Year's Eve a Second Longer!
Release Date: 12/22/2005 You can toot your New Year's horn an extra second this year, say physicists at the National Institute of Standards and Technology (NIST). … more
NIST Physicists Coax Six Atoms into Quantum 'Cat' State
Release Date: 11/30/2005 NIST researchers have succeeded in coaxing six ions into an unusual quantum “cat” state in which their nuclei are collectively … more
New Guide Is Timely for Radio Controlled Clocks, Watches
Release Date: 08/10/2005 Got the correct time? Radio controlled clocks and watches that automatically synchronize to official U.S. time provided by the National Institute … more
Compact JILA System Stabilizes Laser Frequency
Release Date: 07/26/2005 A compact, inexpensive method for stabilizing lasers that uses a new design to reduce sensitivity to vibration and gravity 100 times better than … more
Quantum Computing Results May Help in Code Breaking
Release Date: 05/18/2005 This colorized image shows the fluorescence from three trapped beryllium ions illuminated with an ultraviolet laser beam. Black and blue areas … more
Tiny, Atom-based Detector Senses Weak Magnetic Fields
Release Date: 01/05/2005 Photo of the NIST chip-scale magnetometer. The sensor is about as tall as a grain of rice. The widest block near the top of the device is an … more
Chip-Scale Magnetic Sensor Draws on Mini Clock Design
Release Date: 12/29/2004 Photo of the NIST chip-scale magnetometer. The sensor is about as tall as a grain of rice. The widest block near the top of the device is an … more
NIST Unveils Chip-Scale Atomic Clock
Release Date: 08/27/2004 The heart of a minuscule atomic clock—believed to be 100 times smaller than any other atomic clock—has been demonstrated by … more
A Quantum Mechanical ‘Tune Up’ for Better Measurement
Release Date: 06/04/2004 By exploiting the weird quantum behavior of atoms, physicists at the Commerce Department’s National Institute of Standards and … more |
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