High resolution Fabry-Perot spectrometer for infrared astronomy

Details High resolution Fabry-Perot spectrometer for infrared astronomy High resolution Fabry-Perot spectrometer for infrared astronomy

Mar 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apopt..18..641v&link_type=abstract

Applied Optics, vol. 18, Mar. 1, 1979, p. 641-648.

Astronomy and Astrophysics

Astronomy

4

Fabry-Perot Spectrometers, High Resolution, Infrared Astronomy, Spectral Resolution, Atmospheric Windows, Cooling Systems, Liquid Helium, Noise Spectra, Plancks Constant

Scientific paper

Infrared fine-structure lines (such as the emission line of Ne II at 12.8 microns that can be observed through the 10-micron atmospheric window) from visually obscured IR sources can provide unique information of the dynamics of such sources. Ground-based telescopes of high flux collecting power can be used in conjunction with high-resolution spectrometers to study the line of Ne II. The Fabry-Perot spectrometer described in the present paper was developed for this purpose. The design logic is discussed, along with the cryogenic optics and beam switching system.

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