New Cologne Acousto-Optical Spectrometer Projects

V. Tolls, R. Schieder, and G. Winnewisser

I. Physics Institute, University of Cologne

Proc. of the 29th Liege International Astrophysical Colloquium "From Ground-Based to Space-Borne Submillimeter Astronomy", July 3-5, 1990, Liege, Belgium (ESA SP-314)


The state of the art of the Cologne Acousto Optical Spectrometer (AOS) development for radio astronomical purposes is presented. A summary of the important features of AOS in general is given. Two AOS projects are presented, a broadband spaceborne AOS for the Submillimeter Wave Astronomy Satellite (SWAS) and an AOS with variable resolution for the Kosma 3 m radiotelescope to be placed on the Gornergrat in Switzerland.