Strehl number degradation by large-scale systematic surface deviations

Details Strehl number degradation by large-scale systematic surface deviations Strehl number degradation by large-scale systematic surface deviations

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apopt..19.2948g&link_type=abstract

Applied Optics, vol. 19, Sept. 1, 1980, p. 2948-2951.

Physics

Optics

4

Optical Correction Procedure, Parabolic Reflectors, Radio Telescopes, Reflecting Telescopes, Design Analysis, Deviation, Root-Mean-Square Errors

Scientific paper

For the particular case of circular zones, the corresponding image degradation is derived. The equations obtained lead to a general expression for the on-axis intensity of the degradation image, i.e., the Strehl number, for large-scale surface deviations (SD). Random deviations (RD) are compared with SD. It is shown that the quasi-rms value of SD has the same optical significance as the rms value of RD.

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