Suitable off-axis space-based telescope designs

Gil Moretto; Maud P. Langlois; Marc Ferrari

doi:10.1117/12.548893

12 October 2004 Suitable off-axis space-based telescope designs

Gil Moretto, Maud P. Langlois, Marc Ferrari

Proceedings Volume 5487, Optical, Infrared, and Millimeter Space Telescopes; (2004) https://doi.org/10.1117/12.548893
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

We describe here several off-axis designs for space-based telescope optimized for low scattered light and low emissivity. We show how the geometric optical performance can equal that of an on-axis conventional telescope while the diffractive performance fundamentally surpasses conventional telescopes because of the absence of pupil obstruction. The off-axis concept also allows wide-field and versatile instrumentation configurations enabling a variety of observations - such as high photometric dynamic range objects - that are not possible with more conventional designs, even with much larger apertures.

Citation Download Citation

Gil Moretto, Maud P. Langlois, and Marc Ferrari "Suitable off-axis space-based telescope designs", Proc. SPIE 5487, Optical, Infrared, and Millimeter Space Telescopes, (12 October 2004); https://doi.org/10.1117/12.548893

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