Computer Science – Performance
Scientific paper
Oct 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1309..233s&link_type=abstract
IN: Infrared imaging systems: Design, analysis, modeling, and testing; Proceedings of the Meeting, Orlando, FL, Apr. 16-18, 1990
Computer Science
Performance
Computer Aided Design, Infrared Telescopes, Tolerances (Mechanics), Design Analysis, Lenses, Modulation Transfer Function, Performance Prediction, Thermal Noise
Scientific paper
With the advent of modern optical design programs featuring statistical tolerancing capabilities, the task of tolerancing multi-element optical systems has been simplified. However, the requirement for innovation still remains to ensure that the impact of all relevant environmental effects, not normally accounted for by the computer design program, is established. In this paper, a tolerancing methodology for an IR optical telescope is presented which combines the computer generated optical tolerances with the anticipated environmental perturbations by employing sensor defocus as the principle optical figure of merit. Included with the analysis is the apportionment of the optical tolerance budget to the individual opto-mechanical components and a discussion of the optical test and metrology program employed to systematically verify the as built telescope performance. Finally, a comparison is presented of the predicted versus as built optical performance.
Jennison Paul
Sinclair Lawrence R.
Tritchew Steve
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