Towards true imaging by wideband speckle interferometry

Details Towards true imaging by wideband speckle interferometry Towards true imaging by wideband speckle interferometry

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980optco..32..365b&link_type=abstract

Optics Communications, vol. 32, Mar. 1980, p. 365-369.

Physics

Optics

56

Astronomical Photography, Image Processing, Imaging Techniques, Interferometry, Speckle Patterns, Star Clusters, Broadband, Computerized Simulation, Image Reconstruction, Telescopes

Scientific paper

Taking a sequence of speckle images of an astronomical object, the brightest point in each image is shifted to the center of image space and all images are superimposed. This process, which has been simulated under severe seeing conditions in an optical laboratory, is found to resolve the true image nearly to the diffraction limit, even when the speckle images are formed in white light. It is suggested that the process is suitable for imaging faint astronomical objects with large optical telescopes.

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