Physics – Optics
Scientific paper
Mar 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apopt..34.1432r&link_type=abstract
Applied Optics (ISSN 0003-6935), vol. 34, no. 8, p. 1432-1444
Physics
Optics
9
Adaptive Optics, Field Of View, Sensors, Telescopes, Wave Fronts, Aberration, Optimization, Signal To Noise Ratios
Scientific paper
Effective field of view of adaptive-optics telescopes is widened using a hybrid method presented here. Atmospheric turbulence effects in the direction of maximum correction, the theta = 0 direction are corrected by conventional adaptive optics hardware, and additional beacon and wave-front sensor measurements are used to provide information about instantaneous aberration in the off-axis direction. Of the two wave-front sensors used in the system, one drives the adaptive optics and the other measures the residual aberration in the off-axis direction.
Ellerbroek Brent L.
Rhoadarmer Troy A.
Roggemann Michael C.
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