Computer Science – Performance
Scientific paper
Aug 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975sshm.meett....m&link_type=abstract
AAS, AIAA, IEEE, ORSA, and IMS, Meeting on Space Shuttle Missions of the 80's, Denver, Colo., Aug. 26-28, 1975, AAS 15 p.
Computer Science
Performance
Design Analysis, Hubble Space Telescope, Mirrors, Null Zones, Optical Measurement, Apertures, Interferometers, Performance Tests, Reflecting Telescopes, Spherical Waves, Systems Stability
Scientific paper
A method for measuring the figure of the Large Space Telescope (LST) primary mirror to an accuracy of approximately 1/100 wavelength rms has been developed. A SWIM (spherical wave interferometer, multiple-beam) is used in conjunction with a new in-line reflective null corrector. The null corrector consists of two spherical mirrors, the larger of which has a clear aperture of less than 10 inches, and a small refracting field lens whose clear aperture is well under one inch. A cell design has been formulated to assure the realizability and stability of the assembly within tolerances. The requirements on spacing and alignment of the null corrector with respect to the LST primary have also been analyzed.
Montagnino Lucian
Offner A.
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