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Physics Programs & Projects

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Diffraction effects in radiometry
Last Updated Date: 01/12/2011

We want to quantify the breakdown of geometrical optics when computing the throughput of optical systems for the purpose of calculating … more

NIST Calibrations of a Miniature X-Ray Source Used for Electronic Brachytherapy
Last Updated Date: 11/18/2010

A new laboratory dedicated to establishing a national primary air-kerma rate standard for Xoft's AXXENT™ miniature x-ray source has been fabricated more

Advanced Linear and Nonlinear Optical Metrology in support of next-generation Lithography
Last Updated Date: 11/09/2010

High precision linear and nonlinear optics of next-generation lithographic techniques is measured and characterized to enable these technologies. more

Fabry-Perot displacement interferometry
Last Updated Date: 10/20/2010

High-resolution Fabry-Perot interferometry is being developed and employed for mechanical displacement metrology, linking optical measurements to … more

Fabrication and Metrology of Novel Magnetic Tunnel Junctions in the Ultra-thin Barrier Limit
Last Updated Date: 10/20/2010

Magnetic tunnel junctions, nanostructured by highly charged ions, are being probed and characterized to establish the foundation for novel … more

Quantum Physics Theory
Last Updated Date: 10/05/2010

Theoretical work relevant to the determination of values of the fundamental constants, tests of bound-state quantum electrodynamics (QED), and … more

Atomic Wavefunctions
Last Updated Date: 10/05/2010

NIST scientists are actively developing new algorithms for extremely high-accuracy computation of non-relativistic eigenstates of … more

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