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The National Institute of Standards and Technology operates two spectral comparator facilities, both of which are used to provide detector calibrations from the
Every four years, the Committee on Data for Science and Technology (CODATA) issues recommended values of the fundamental physical constants. The values are
Optical systems that operate at wavelengths in the ultraviolet (UV) and extreme-ultraviolet (EUV) are susceptible to degradation by a number of different
The extreme ultraviolet detector (EUVD) calibration service disseminates the U.S. national scale of detector responsivity in the wavelength range from 5 nm to
In the vacuum ultraviolet and extreme ultraviolet (EUV), the indices of refraction of all materials become complex: N = n + ik , or N = 1- d + ik . Here, n is
A bilateral intercomparison of calibrations performed at the Metrology Light Source (MLS) of the Physikalisch-Technische Bundesanstalt (PTB) in Berlin, Germany
Much of the activity of the UV Physics Group is aimed at supporting the R&D effort by the microelectronics industry to develop Extreme Ultraviolet Lithography
In measuring performance of submicron optoelectronic devices, such as lasers or light-emitting diodes (LEDs), conventional methods are limited to extrapolations
Tunnel junctions, single electron transistors and superconducting resonators are fabricated using ultra-high vacuum metals’ deposition and in situ low energy
Since 1970, the National Institute of Standards and Technology (NIST) has awarded Precision Measurement Grants for significant research in the field of
Theoretical work relevant to the determination of values of the fundamental constants, tests of bound-state quantum electrodynamics (QED), and methods of