SCIMP - A scanning interferometric multiplex photometer

Details SCIMP - A scanning interferometric multiplex photometer SCIMP - A scanning interferometric multiplex photometer

Jun 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978cajph..56..681s&link_type=abstract

Canadian Journal of Physics, vol. 56, June 1978, p. 681-686. Research supported by the National Research Council of Canada and

Mathematics

2

Bandpass Filters, Interferometry, Multiplexing, Photometers, Spectroscopy, Airglow, Auroras, Fourier Transformation, Masking, Matrices (Mathematics), Remote Sensors, Rocket-Borne Instruments, Signal To Noise Ratios

Scientific paper

An interference filter photometer concept is described in which equally-spaced spectral elements of equal width are generated. The method takes advantage of the wavelength shift of off-axis radiation transmitted by the filter, and is accomplished by the use of masks in the location of the field stop. This technique lends itself to multiplexing, using Fourier or Hadamard coding, but a direct spectral configuration is also possible. The advantages of the concept and a comparative analysis of signal-to-noise ratio are described. The technique has been employed in ground based airglow studies, airborne remote sensing, and rocket measurements of airglow and aurora.

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