An acousto-optical radio spectrograph for spectral integration

Details An acousto-optical radio spectrograph for spectral integration An acousto-optical radio spectrograph for spectral integration

Sep 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977pasau...3..108c&link_type=abstract

(Astronomical Society of Australia, Annual General Meeting, 11th, Clayton, Victoria, Australia, May 30-June 1, 1977.) Astronomic

Physics

Optics

11

Acousto-Optics, Astronomical Spectroscopy, Power Spectra, Radio Spectroscopy, Spectral Resolution, Bandwidth, Instrument Errors, Laser Applications, Light Modulation, Luminous Intensity, Quartz Crystals, Radio Signals

Scientific paper

This paper discusses the design of a radio spectrograph whose primary function is to diffract light into an order whose light intensity distribution is accurately related to the power spectrum of a radio signal. The transition is accomplished by the interaction of the incoming beam with an acoustic wave. A quartz crystal modulator provides up to 800 resolution intervals across the entire bandwidth. Also discussed are the noise efficiency parameters of the system.

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