Sub-nanometric metrology for high resolution astrometric interferometry

Author

Bisi, M. ; Alasia, G. ; Bertinetto, F. ; Cordiale, P. ; Galzerano, G. ; Mana, G. ; Zangirolami, M.

Author_Institution

Ist. di Metrol., Torino, Italy

fYear

1998

fDate

6-10 July 1998

Firstpage

330

Lastpage

331

Abstract

A study team, funded by the European Space Agency, is working on some scientific and technological aspects of a future astrometric space mission. In this framework, we are carrying out an experiment which aims at define the bounds to the performance of the metrology subsystem necessary to the sub-nanometric stabilization of stellar interferometers in space.

Keywords

Fabry-Perot interferometers; Fabry-Perot resonators; adaptive optics; astrometry; astronomical instruments; astronomical techniques; light interferometry; measurement by laser beam; mechanical stability; optical control; vibration isolation; Fabry-Perot interferometer; GAIA programme; astrometric space mission; beam combiner; composite Fabry-Perot resonator; high resolution astrometric interferometry; metrology subsystem; performance bounds; platform stability; stellar interferometers; subnanometric metrology; subnanometric stabilization; Interferometers; Metrology; Mirrors; Optical interferometry; Optical resonators; Performance evaluation; Satellites; Space missions; Space technology; Testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Precision Electromagnetic Measurements Digest, 1998 Conference on

Conference_Location

Washington, DC, USA

Print_ISBN

0-7803-5018-9

Type

conf

DOI

10.1109/CPEM.1998.699935

Filename

699935