Dynamic phasing of the elements of the composite main mirrors of large telescopes, based on the aperture-probe method

Details Dynamic phasing of the elements of the composite main mirrors of large telescopes, based on the aperture-probe method Dynamic phasing of the elements of the composite main mirrors of large telescopes, based on the aperture-probe method

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994joptt..61..225v&link_type=abstract

Journal of Optical Technology (ISSN 1070-9762), vol. 61, no. 3, p. 225-232

Physics

Optics

Adaptive Optics, Mirrors, Optical Data Processing, Telescopes, Wave Fronts, Fourier Transformation, Phase Modulation, Real Time Operation, Spatial Distribution, Time Dependence

Scientific paper

Based on the analysis of the possible ways of solving the element-phasing problem for the composite main mirrors of large telescopes, it is shown that this can be done by the aperture-probe method. Expressions are obtained for the sharpness function in the adaptive phase-control mode of the separate subapertures. A version is proposed for dynamic phasing of the elements of a composite main mirror, with spatial seperation of the channels where the mismatch signals are formed.

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