Partial adaptive compensation and passive interferometry with large ground-based telescopes

Details Partial adaptive compensation and passive interferometry with large ground-based telescopes Partial adaptive compensation and passive interferometry with large ground-based telescopes

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pasp..105..509n&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 105, no. 687, p. 509-520.

Physics

Optics

4

Adaptive Optics, Diffraction Limited Cameras, Speckle Interferometry, Telescopes, Atmospheric Turbulence, Computerized Simulation, Point Spread Functions, Signal To Noise Ratios, Transfer Functions, Wave Fronts

Scientific paper

Numerical simulations are presently used to examine the degree of partial wavefront compensation required for useful diffraction direct-imaging with large, ground-based telescopes. Also projected is the likely performance obtainable from both filled-aperture speckle imaging and nonredundant mask interferometric imaging in the presence of partial adaptive correction. Attention is given to the effect of a low-order adaptive-optics system that corrects the first 21 terms in the Zernike expansion of the wavefront perturbations.

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