Alternative methods of adaptation of millimeter radio telescopes

Yuriy Ivanovich Hovsepyan

doi:10.1117/12.317409

31 July 1998 Alternative methods of adaptation of millimeter radio telescopes

Yuriy Ivanovich Hovsepyan

Proceedings Volume 3357, Advanced Technology MMW, Radio, and Terahertz Telescopes; (1998) https://doi.org/10.1117/12.317409
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

Three Methods of adaptation are briefly compared: (1) Periodical correction of a surface of a Primary Mirror of Millimeter Radio Telescopes as it planned, for example, for 100-m GBT (USA) and 70-m RT-70 (Russia-Uzbekistan), by means of measuring of positions of each Primary Segments with the help of the Laser Rangefinders for Trilateration Surface Retroreflectors. (2) Continuous correction of a surface of a Primary Mirror of a Millimeter Radio Telescope by method in which each of Primary Segments independently clings itself to maxima of fringes of two intersecting Optical Interference Fields, created over a surface of a Primary Mirror by an axial Laser (proposed by author, in 1993), (3) Correction of a wave- front in a real time by means of modified Adaptive Optics Technology, for example the 'Two-Stage Optics Concept' scheme, successfully used for optical Telescopes. Advantages and problems of application to a Millimeter Radio Telescope are briefly considered.

Citation Download Citation

Yuriy Ivanovich Hovsepyan "Alternative methods of adaptation of millimeter radio telescopes", Proc. SPIE 3357, Advanced Technology MMW, Radio, and Terahertz Telescopes, (31 July 1998); https://doi.org/10.1117/12.317409

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