Physics – Optics
Scientific paper
Sep 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004josaa..21.1645y&link_type=abstract
Optical Society of America Journal, Volume 21, Issue 9, pp. 1645-1658 (2004).
Physics
Optics
Adaptive Optics, Compensation, Aberrations, Light Propagation, Optical Phase Conjugation, Wavefront Sensors, Astronomical Telescopes, Closed Loop Systems, Gradient Methods
Scientific paper
We analyze various scenarios of adaptive wave-front phase-aberration correction in optical-receiver-type systems when inhomogeneties of the wave propagation medium are either distributed along the propagation path or localized in a few thin layers remotely located from the receiver telescope pupil. Phase-aberration compensation is performed with closed-loop control architectures based on decoupled stochastic parallel gradient descent, stochastic parallel gradient descent, and phase conjugation control algorithms. Both receiver system aperture diffraction effects and the effect of wave-front corrector position on phase-aberration compensation efficiency are analyzed.
Vorontsov Mikhail A.
Yu Miao
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