Space telescope low scattered light camera - A model

Details Space telescope low scattered light camera - A model Space telescope low scattered light camera - A model

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982spie..331..395b&link_type=abstract

IN: Instrumentation in astronomy IV; Proceedings of the Fourth Conference, Tucson, AZ, March 8-10, 1982 (A83-31976 14-35). Belli

Physics

Optics

3

Cameras, Design Analysis, Hubble Space Telescope, Light Scattering, Aberration, Brightness, Cassegrain Optics, Diffuse Radiation, Ghosts, Spaceborne Astronomy, Two Dimensional Models

Scientific paper

A design approach for a camera to be used with the space telescope is given. Camera optics relay the system pupil onto an annular Gaussian ring apodizing mask to control scattered light. One and two dimensional models of ripple on the primary mirror were calculated. Scattered light calculations using ripple amplitudes between wavelength/20 wavelength/200 with spatial correlations of the ripple across the primary mirror between 0.2 and 2.0 centimeters indicate that the detection of an object a billion times fainter than a bright source in the field is possible. Detection of a Jovian type planet in orbit about alpha Centauri with a camera on the space telescope may be possible.

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