Portable high-accuracy double spectrometer for ultraviolet spectral irradiance measurements

Ambler E. Thompson; Edward A. Early

doi:10.1117/12.364160

28 September 1999 Portable high-accuracy double spectrometer for ultraviolet spectral irradiance measurements

Ambler E. Thompson, Edward A. Early

Proceedings Volume 3818, Ultraviolet Atmospheric and Space Remote Sensing: Methods and Instrumentation II; (1999) https://doi.org/10.1117/12.364160
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

A portable high accuracy double spectrometer for ultraviolet (UV) spectral irradiance measurements has been under development at the National Institute of Standards and Technology (NIST) or several years. It has been used in the comparison of NIST spectral irradiance sources: an electron storage ring, 1000 W quartz-halogen lamps, deuterium arc lamps, and a windowless argon miniarc. A UV spectral irradiance intercomparison with the Physikalische Technische Bundesanstalt of Germany has also been carried out with the instrument. This paper will discuss the modular design of this instrument, preliminary uncertainty analysis, results of standard source comparisons and results of solar ultraviolet measurements using the UV spectrometer with the NIST spectral irradiance field calibrator.

Citation Download Citation

Ambler E. Thompson and Edward A. Early "Portable high-accuracy double spectrometer for ultraviolet spectral irradiance measurements", Proc. SPIE 3818, Ultraviolet Atmospheric and Space Remote Sensing: Methods and Instrumentation II, (28 September 1999); https://doi.org/10.1117/12.364160

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