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The Prototype Very Long Baseline Amplitude Interferometer

Published online by Cambridge University Press:  02 August 2016

Kurt M. Liewer
Kurt M. Liewer*
Affiliation:
Department of Physics and Astronomy, University of Maryland, College Park, Maryland, 20742, U.S.A.

Abstract

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An Amplitude Interferometer based on the design of an earlier interferometer but with two independent telescopes has been built at Maryland, The design and the current status of the instrument will be discussed.

This interferometer has been built with automatic guiding in each arm and is intended for use with baselines of 50 meters but can be used with longer baselines at restricted declinations.

The visibility detection will be exactly the same as that used in the cassegrain model of the interferometer which has operated successfully for several years on the 100 and 200 inch Hale telescopes. The visibility will be measured simultaneously in three different paths with slightly different delays which will allow for automatic location and tracking of the white light fringe envelope.

Type
The Scientific Programme
Information
International Astronomical Union Colloquium , Volume 50: High Angular Resolution Stellar Interferometry , January 1979 , pp. 8-1 - 8-14
Copyright
Copyright © 1979

References

1) Currie, D.G., Appendices II and Viii of “Woods Hole Summer Study on Synthetic Aperture Optics” (Vol. 2), Nat. Acad. Sci. - Nat. Res. Council (Wash. , D.C. , 1967 )Google Scholar
2) Currie, D.G., Knapp, S.L. and Kiewer, K. M., Ap.J., 187, 56, 1974.Google Scholar
3) Knapp, S.L., Currie, D.G. and Kiewer, K. M., Ap.J., 198, 56, 1975.Google Scholar
4) Kiewer, K. M., Currie, D.G. and Knapp, S.L., Bull, Am. Ast, Soc., 9, 598, 1977 Google Scholar
5) Currie, D.G., Knapp, S.L., Kiewer, K. M. and R.H. Braunstein, University of Maryland Tech. Report #76-125, 1976.Google Scholar
6) Kiewer, K. M., Braunstein, R.H., Currie, D.G. and Knapp, S. L., Bull. Am. Ast. Soc., 9, 598, 1977.Google Scholar
7) Kiewer, K. M., Ph.D. Thesis, University of Maryland, 1974.Google Scholar
8) Braunstein, R.H., Ph.D. Thesis, University of Maryland, 1978 Google Scholar