Computer Science – Performance
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983spie..399..442n&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
Aberration, Field Of View, Infrared Scanners, Lens Design, Optical Correction Procedure, Telescopes, Cost Effectiveness, Instrument Compensation, Magnification, Modulation Transfer Function, Reflecting Telescopes, System Effectiveness
Scientific paper
Two types of catadioptric lenses are described: (1) a lens (x7.5) using a full aperture, and (2) a lens (x30) using a subaperture germanium element to correct spherical aberration. The two telescopes were designed using an 11-mm-diameter exit pupil and a scanner space field of view of 60 deg; only spherical lens surfaces were used. The subaperture corrector lens is found to produce a high-performance cost-effective solution for large-magnification afocal telescopes. The design is ideally suited to systems having apertures in excess of 200 mm, and a diagonal field of view of less than 3 deg.
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