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Far ultraviolet spectral radiance calibrations at NBS.The range of NBS radiometric calibration services has been extended into the far ultraviolet region of the spectrum where a dc high-power hydrogen wall-stabilized arc is used as a primary standard of spectral radiance. A capability in the range from 130 to 360 nm (overlapping conventional tungsten strip lamp radiometry) is presently available with estimated uncertainties between 5 and 10%, depending upon wavelength. The status of radiometric source standards in the far ultraviolet is briefly reviewed, and the hydrogen arc and NBS calibration facility are described in detail. The use of commercially available mercury Krefft-Rossler lamps and deuterium arc lamps as transfer or secondary standards is discussed, and the spectra of these lamps calibrated with the hydrogen arc standard are presented.
Document ID
19730056454
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Ott, W. R.
Wiese, W. L.
(National Bureau of Standards Washington, D.C., United States)
Date Acquired
August 7, 2013
Publication Date
June 1, 1973
Publication Information
Publication: Optical Engineering
Volume: 12
Subject Category
Instrumentation And Photography
Accession Number
73A41256
Distribution Limits
Public
Copyright
Other

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