Optical design for DIVA

Walter Seifert; Holger Mandel; Stefan J. Wagner; Ulrich Bastian; Siegfried Roeser

doi:10.1117/12.324447

28 August 1998 Optical design for DIVA

Walter Seifert, Holger Mandel, Stefan J. Wagner, Ulrich Bastian, Siegfried Roeser

Proceedings Volume 3356, Space Telescopes and Instruments V; (1998) https://doi.org/10.1117/12.324447
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

DIVA (deutsches interferometer fuer vielkanalphotometrie und astrometrie) is a project of a small satellite, aiming to measure positions, proper motions, parallaxes and spectra of several million stars. DIVA will carry two Fizea interferometers with a baseline of 100 mm using a novel telescope design. It consists of a Gregory configuration with high secondary magnification and a four-component field lens system at the intermediate focus. We present the optical layout which allows diffraction-limited imaging over a 0.5 degree of view in the wavelength range 400-1000 nm. Critical aspects of the design are discussed. The present status of the project is briefly outlined.

Citation Download Citation

Walter Seifert, Holger Mandel, Stefan J. Wagner, Ulrich Bastian, and Siegfried Roeser "Optical design for DIVA", Proc. SPIE 3356, Space Telescopes and Instruments V, (28 August 1998); https://doi.org/10.1117/12.324447

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