Technique and advantages of using multiple zone apertures in Fabry-Perot spectroscopy

Details Technique and advantages of using multiple zone apertures in Fabry-Perot spectroscopy Technique and advantages of using multiple zone apertures in Fabry-Perot spectroscopy

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..627...50s&link_type=abstract

IN: Instrumentation in astronomy VI; Proceedings of the Meeting, Tucson, AZ, Mar. 4-8, 1986. Part 1 (A87-36376 15-35). Bellingha

Astronomy and Astrophysics

Astronomy

Apertures, Astronomical Spectroscopy, Fabry-Perot Interferometers, Masking, Calibrating, Continuous Spectra, Fabrication, Product Development, Stellar Envelopes

Scientific paper

Line profiles from faint, extended objects can be studied by increasing the throughput of Fabry-Perot spectrometers with a multiple zone aperture (MZA), which is also noted to suppress the radiation from any continuum source that may be present at the center. The detection of the nebulosity surrounding stars is substantially improved by the MZA, since the nebulosity's faintness and uncertain location are compensated for both by greater spectrometer throughput and by the fact that of the search area is circularly symmetric.

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