Articles | Volume 10, issue 9
https://doi.org/10.5194/amt-10-3151-2017
https://doi.org/10.5194/amt-10-3151-2017
Research article
 | 
01 Sep 2017
Research article |  | 01 Sep 2017

Calibration and evaluation of CCD spectroradiometers for ground-based and airborne measurements of spectral actinic flux densities

Birger Bohn and Insa Lohse

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Latest update: 28 Mar 2024
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Short summary
CCD spectroradiometers are widely used for measurements of atmospheric photolysis frequencies. Their fast response makes them suitable for airborne applications despite the well-known stray-light problem. In this work we describe simple and reliable procedures to minimize the stray-light influence on calibrations and field measurements. Comparisons with a reference instrument confirm high accuracies and low detection limits of important photolysis frequencies.