Image-plane phase sensing for phased array telescopes

Details Image-plane phase sensing for phased array telescopes Image-plane phase sensing for phased array telescopes

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984spie..440...85e&link_type=abstract

IN: Synthetic aperture systems; Proceedings of the Meeting, San Diego, CA, August 25, 26, 1983 (A85-22710 09-74). Bellingham, WA

Computer Science

Performance

Laser Interferometry, Phase Error, Phased Arrays, Reflecting Telescopes, Synthetic Apertures, Wave Front Deformation, Algorithms, Diffraction Patterns, Far Fields, Fourier Transformation, Instrument Errors, Signal To Noise Ratios, System Effectiveness

Scientific paper

Relative wavefront phasing errors between the beam trains that make up a synthetic aperture beam expander can be estimated from the far-field interference patterns produced by samples of wavefronts propagated through adjacent beam trains. Wavefront sensor and estimation algorithms are presented, and the effect of noise and higher-order errors on performance is described.

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