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Home > News > ‘Long’ Distances Measured with Picometer Accuracy

December 2nd, 2005

‘Long’ Distances Measured with Picometer Accuracy

Abstract:
A new laser-based method for measuring millimeter distances more accurately than ever before—with an uncertainty of 10 picometers (trillionths of a meter)—has been developed and demonstrated by a physicist at the National Institute of Standards and Technology (NIST). This is akin to measuring the distance from New York to Los Angeles with an uncertainty of just 1 millimeter. The technique may have applications in nanotechnology, remote sensing and industries such as semiconductor fabrication.

Source:
NIST

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