USDA reference UV spectroradiometric network: Current performance and operational experience

Lee Harrison; Jerry L. Berndt; Piotr W. Kiedron

doi:10.1117/12.452934

17 January 2002 USDA reference UV spectroradiometric network: Current performance and operational experience

Lee Harrison, Jerry L. Berndt, Piotr W. Kiedron

Proceedings Volume 4482, Ultraviolet Ground- and Space-based Measurements, Models, and Effects; (2002) https://doi.org/10.1117/12.452934
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

At present the USDA Reference Spectroradiometric Network consists of 3 sites: Table Mt. CO, Lamont OK (the ARM program SGP site), and Beltsville MD. At each site we deploy and continuously operate a 1-meter cascaded additive-double Czerny-Turner scanning monochromator with a bi-alkali Photomultiplier and photon-counting detection. Lambertian fore-optic errors are less than 1% over the range of zenith angles from 0 to 80 degrees. The instruments use photon counting and make measurements not affected by stray light at 290 nm under typical conditions. The basic performance specifications of the instrument were demonstrated by a prototype at the 1997 North American UV Spectroradiometer Intercomparison. Data shown here demonstrate that these are met in routine operation.

Citation Download Citation

Lee Harrison, Jerry L. Berndt, and Piotr W. Kiedron "USDA reference UV spectroradiometric network: Current performance and operational experience", Proc. SPIE 4482, Ultraviolet Ground- and Space-based Measurements, Models, and Effects, (17 January 2002); https://doi.org/10.1117/12.452934

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