Physics – Optics
Scientific paper
Aug 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apopt..19.2631y&link_type=abstract
Applied Optics, vol. 19, Aug. 1, 1980, p. 2631-2637.
Physics
Optics
1
Auroral Spectroscopy, Cameras, Fabry-Perot Interferometers, Imaging Techniques, All Sky Photography, Bandpass Filters, Emission Spectra, High Resolution, Luminosity, Spectral Line Width
Scientific paper
The matched tandem etalon camera employs a Fabry-Perot interferometer (FP) in the photographic mode for the spatial resolution over all angles up to 7 deg from normal. An interference filter and an appropriate field lens isolate a single order of 0.1 A resolution, which is recorded simultaneously at all angles in the field of view by array detection. Thus the resolution and luminosity of the MATEC camera are those of the FP. The MATEC pilot model has a ratio of free spectral range to linewidth of 400 and utilizes intensified photographic detection. In a system applied to auroral measurements the MATEC views a semiconical sky mirror to provide a simulatenous dimension of spatial resolution in the N-S meridian combined with the dimension of spectral resolution. Stellar features and cloud and ground reflections are more easily identified than by any scanning photometer.
Clark K. C.
Young E. R. E. R.
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