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Metrology

Dimensional metrology

News and Updates

artifact

Back to the Future: Gear Edition

As mechanical objects, gears have been around for so long that people may take them for granted. But gears are sophisticated parts that play a vital role in

Projects and Programs

Material Qualification

Ongoing
The lack of repeatable process outcomes from additive manufacturing (AM) has been broadly acknowledged as an impediment to widespread implementation. While most

Precursor Material Qualification

The lack of repeatable process outcomes from additive manufacturing (AM) has been broadly acknowledged as an impediment to widespread implementation. While most

AM Machine and Process Qualification

Ongoing
Machines and processes used to produce critical components for defense, aerospace, and medical applications must first be formally qualified. While

Publications

Tools and Instruments

Laser Doppler Vibrometer located in 218/D012 (Group 643.09)

Laser Doppler Vibrometer Microscope

Since 2006, the Nanomechanical Properties Group has pioneered the use of Laser Doppler Vibrometry (LDV) to calibrate the stiffness of AFM cantilevers using the
Examples of work in the Precision Imaging Facility.  (a) STEM image of a crack (dislocation) formed during growth of an AlGaN shell around a GaN nanowire, and (b) FIB fabrication of an AFM tip with a GaN nanowire contact point.

Precision Imaging Facility

The Precision Imaging Facility (PIF) is a cooperative research facility at the National Institute of Standards and Technology (NIST) dedicated to the