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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union

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© Author(s) 2013. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
31 Jan 2013
Review status
This discussion paper has been under review for the journal Atmospheric Measurement Techniques (AMT). A final paper in AMT is not foreseen.
A low-cost portable fibre-optic spectrometer for atmospheric absorption studies
J. Bailey School of Physics, The University of New South Wales, NSW 2052, Australia
Abstract. A compact and portable solar absorption spectrometer based on fibre-optic Fabry–Perot technology has been built and tested. The instrument weighs only 4.2 kg and operates from 5 W of power from internal batteries. It provides spectroscopy over the range from 5980–6580 cm−1 (1.52–1.67 μm) at a resolution of 0.16 cm−1. The input to the spectrometer is via single-mode optical fibre from a solar tracking system. Spectral scanning is carried out with a piezoelectrically scanned fibre Fabry–Perot tunable filter. Software has been developed to calibrate the spectra in wavelength and relative flux. The signal to noise ratio in solar spectra is about 700 for a spectrum scanned at 200 milliseconds per spectral point. The techniques used should be capable of being adapted to a range of wavelengths and to higher or lower resolutions.

Citation: Bailey, J.: A low-cost portable fibre-optic spectrometer for atmospheric absorption studies, Atmos. Meas. Tech. Discuss., 6, 1067-1092, doi:10.5194/amtd-6-1067-2013, 2013.
J. Bailey
Interactive discussionStatus: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version      Supplement - Supplement
RC C95: 'Accuracy estimate missing', Anonymous Referee #1, 25 Feb 2013 Printer-friendly Version 
RC C517: 'Review', Anonymous Referee #2, 08 Apr 2013 Printer-friendly Version 
AC C745: 'Response to Referees 1 and 2', J. Bailey, 03 May 2013 Printer-friendly Version 
J. Bailey
J. Bailey


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