Preprints
https://doi.org/10.5194/amtd-6-1067-2013
https://doi.org/10.5194/amtd-6-1067-2013

  31 Jan 2013

31 Jan 2013

Review status: this preprint has been withdrawn by the authors.

A low-cost portable fibre-optic spectrometer for atmospheric absorption studies

J. Bailey 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.

This preprint has been withdrawn.

J. Bailey

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement

J. Bailey

J. Bailey

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This preprint has been withdrawn.