To compare the calibration capabilities for the spectral responsivity in the vacuum-ultraviolet spectral region between 135 nm and 250 nm, PTB and … more
In 2004, the National Institute of Standards and Technology NIST established the ultraviolet spectral irradiance scale from 200 nm to 400 nm using … more
The Synchrotron Ultraviolet Radiation Facility SURF III is operated by the National Institute of Standards and Technology NIST as a stable light … more