15 Sep 2020
15 Sep 2020
The design and development of a tuneable and portable radiation source for in situ spectrometer characterisation
- 1Czech Metrology Institute, Brno, 638 00, Czech Republic (Dept. of Optics, Prague)
- 2Principal Optics, Woodley, Berkshire, RG5 4PZ, UK
- 3Physikalisch-Meteorologisches Observatorium Davos/World Radiation Centre, Davos, 7260, Switzerland
- 4Czech Hydrometeorological Institute, Hradec Kralove, 503 11, Czech Republic
- 1Czech Metrology Institute, Brno, 638 00, Czech Republic (Dept. of Optics, Prague)
- 2Principal Optics, Woodley, Berkshire, RG5 4PZ, UK
- 3Physikalisch-Meteorologisches Observatorium Davos/World Radiation Centre, Davos, 7260, Switzerland
- 4Czech Hydrometeorological Institute, Hradec Kralove, 503 11, Czech Republic
Abstract. For spectroradiometers the characterisation of their wavelength scale and spectral bandwidth underpins substantially the quality of measured data. This characterisation can be performed using metrology-grade tuneable monochromatic sources, which are currently available only in a few laboratories world-wide. Yet in numerous applications only the in-field calibration is a feasible solution. We have designed and developed a Tuneable and Portable radiation Source (TuPS) in the wavelength range from 300 nm to 350 nm for the in-field characterization of Dobson and Brewer spectrometers wavelength scale and slit-function with uncertainties better than 0.02 nm in wavelength and with the bandwidth of emitted radiation smaller than 0.1 nm FWHM. The TuPS is designed such that only minor modifications of its optical system extends/shifts its spectral range towards visible and near-infrared spectral regions and thus expand its application for characterisation of any spectroradiometers in the relevant spectral region of interest.
Marek Šmíd et al.


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RC1: 'More details on the design wished, and clarifications for the uncertainty evaluation requested', Anonymous Referee #1, 12 Oct 2020
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AC1: 'Response to Anonymous Referee #1 Comment', Marek Smid, 09 Nov 2020
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AC1: 'Response to Anonymous Referee #1 Comment', Marek Smid, 09 Nov 2020
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SC1: 'Comment on amt-2020-244', Vladimir Savastiouk, 23 Jan 2021
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AC2: 'Reply to comments from Vladimir Savastioukply', Marek Smid, 01 Feb 2021
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AC2: 'Reply to comments from Vladimir Savastioukply', Marek Smid, 01 Feb 2021
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RC2: 'Review of Smid et al.', Anonymous Referee #3, 02 Feb 2021
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AC3: 'Reply on RC2 to comments from anonymous referee #3', Marek Smid, 25 Feb 2021
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AC3: 'Reply on RC2 to comments from anonymous referee #3', Marek Smid, 25 Feb 2021
Marek Šmíd et al.
Marek Šmíd et al.
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