Acousto-optical spectrometers for broadband millimeter radioastronomy at I.R.A.M.

Details Acousto-optical spectrometers for broadband millimeter radioastronomy at I.R.A.M. Acousto-optical spectrometers for broadband millimeter radioastronomy at I.R.A.M.

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ijimw..14..169l&link_type=abstract

International Journal of Infrared and Millimeter Waves (ISSN 0195-9271), vol. 14, no. 2, p. 169-184.

Physics

Optics

3

Acousto-Optics, Broadband, Millimeter Waves, Radio Astronomy, Spectrometers, Bragg Cells, Coherent Light, Solid State Lasers, Systems Integration

Scientific paper

The characteristics of a 500-MHz bandwidth, 1-MHz resolution acoustooptical spectrometer (AOS) built for the 30-m radiotelescope in Granada (Spain) are described. The performance of the AOS was evaluated in tests using several 'equivalent' spectrometers which analyzed in parallel the same IF signals coming from the radiotelescope. The results showed that the AOS is fully qualified for high-sensitivity broadband millimeter radioastronomy. The main advantages of the AOS are the wide band, the compactness, and low cost.

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