Computer Science – Performance
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983spie..399...12b&link_type=abstract
IN: Optical system design, analysis, and production; Proceedings of the Meeting, Geneva, Switzerland, April 19-22, 1983 (A85-106
Computer Science
Performance
Atmospheric Effects, Equipment Specifications, Modulation Transfer Function, Systems Engineering, Telescopes, Wave Front Deformation, Atmospheric Scattering, Atmospheric Turbulence, Ground Effect (Aerodynamics), Instrument Errors, Surface Roughness Effects, Turbulence Effects, Wave Diffraction
Scientific paper
The paper reviews the factors limiting the performance of ground based optical systems, and suggests a form of specification which overcomes many of the difficulties inherent in methods currently used. The main problems are the need to use diffraction based calculations of image quality and to ensure that the criteria adopted describe performance adequately over the large wavelength range now used in ground based astronomy. The paper considers the effects of atmospheric turbulence, aperture diffraction, detector properties and system wavefront errors. Scatter by the optical system is treated separately from other optical characteristics. Scatter by surface roughness (including coatings) and spider diffraction all affect optical performance and the effects on image quality are considered.
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