Gigapixel Focal Plane Arrays for Large UVOIR Space Telescopes

Details Gigapixel Focal Plane Arrays for Large UVOIR Space Telescopes Gigapixel Focal Plane Arrays for Large UVOIR Space Telescopes

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21345007e&link_type=abstract

American Astronomical Society, AAS Meeting #213, #450.07; Bulletin of the American Astronomical Society, Vol. 41, p.343

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Scientific paper

A large space telescope produces very sharp images near the wavelengths where it is diffraction-limited. If it also provides a wide field of view, the focal planes for its imaging instruments require a very large number of pixels. The 8m ATLAS-T telescope will have a FOV of 8 X 8 arc minutes for its wide field camera, with image quality expected to be near 30 milli-arc seconds FWHM in the visible. With Nyquist sampling of 2 pixels per Airy diameter, an FPA of 32K X 32K pixels is indicated. With 9 micron pixels, the active imaging area will be about 300 millimeters on a side. Such a device appears to be feasible. This poster will show a conceptual design for the visible wavelength focal plane, and will discuss mechanical, electrical, thermal and other engineering implications. The focal plane for the Kepler mission contains 96 Mpx, and represents the state of the art using current approaches. We will identify technologies whose development will enable a subsystem a factor ten larger.

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