Estimating contributions of turbulent layers to total wavefront phase aberration

Details Estimating contributions of turbulent layers to total wavefront phase aberration Estimating contributions of turbulent layers to total wavefront phase aberration

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992spie.1688..510j&link_type=abstract

In: Atmospheric propagation and remote sensing; Proceedings of the Meeting, Orlando, FL, Apr. 21-23, 1992 (A93-37102 14-74), p.

Physics

Optics

Aberration, Adaptive Optics, Atmospheric Turbulence, Phase Deviation, Telescopes, Turbulent Boundary Layer, Wave Fronts, Binary Stars, Field Of View, Image Resolution, Optical Paths, Real Time Operation, Vertical Distribution

Scientific paper

Multiple deformable mirrors (DMs) and an array of artificial guide stars have been used to analyze a method for widening the compensated field of view of an adaptive optical telescope. The contribution of an atmospheric region to the cumulative phase distortion is estimated using wavefront sensor (WFS) measurements. The analysis takes into account the effects of measurement noise, WFS spatial bandwidth, and reconstruction of the wavefront from slope measurements for a 2-layer atmosphere.

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