Suitable off-axis space-based telescope designs

Details Suitable off-axis space-based telescope designs Suitable off-axis space-based telescope designs

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004spie.5487.1111m&link_type=abstract

Optical, Infrared, and Millimeter Space Telescopes. Edited by Mather, John C. Proceedings of the SPIE, Volume 5487, pp. 1111-

Computer Science

Performance

4

Scientific paper

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.

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