Heterodyned, holographic spectroscopy - First results with the FRINGHE spectrometer

Details Heterodyned, holographic spectroscopy - First results with the FRINGHE spectrometer Heterodyned, holographic spectroscopy - First results with the FRINGHE spectrometer

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.171..307d&link_type=abstract

(IAU, European Regional Astronomy Meeting, 11th, La Laguna, Spain, July 3-8, 1989) Astrophysics and Space Science (ISSN 0004-640

Astronomy and Astrophysics

Astrophysics

10

Charge Coupled Devices, Holographic Spectroscopy, Optical Heterodyning, Telescopes, Fourier Transformation, High Resolution, Michelson Interferometers

Scientific paper

A novel class of instrument called the heterodyned holographic spectrometer is described. It uses a grating, but the measurements are taken in the Fourier domain. This combines the high etendue characteristic of interferometers with the nonscanning property associated with dispersive devices. An aperture of 20 mm would be well-matched to telescopes of even the Very Large class. The theory of the device, as well as simulated and real measurements with a prototype, are presented.

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