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4 November 1982 Speckle Interferometry And Related Techniques With Advanced Technology Optical Telescopes
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Abstract
Speckle interferometry techniques are especially attractive with large future telescopes. For example, a 10m telescope can yield an angular resolution of 0.01 arc sec in spite of image degradation by the atmosphere. The limiting magnitude of speckle interferometry is about 20m. We intend to discuss the following aspects of speckle methods: (a) The influence of telescope aberrations on speckle interferometry measurements. We show laboratory simulations of speckle interferometry with severe stationary telescope aberrations. (b) Roll deconvolution: a method for reconstructing high-resolution images from Space Teles-cope data. In the case of the 2.4m Space Telescope a resolution of about 0.01 arc sec can be achieved. (c) The reconstruction of direct images (instead of autocorrelations) from speckle interfero-grams. Applications on data recorded with large telescopes are discussed. Reconstruction of high-resolution objective prism spectra with the speckle spectroscopy method.
© (1982) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gerd Weigelt "Speckle Interferometry And Related Techniques With Advanced Technology Optical Telescopes", Proc. SPIE 0332, Advanced Technology Optical Telescopes I, (4 November 1982); https://doi.org/10.1117/12.933531
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