We discuss a technique that permits branch points in the phase function to be localized in real-time adaptive-optics systems and that is unambiguous and robust in the presence of noise.
© 1999 Optical Society of America
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(290.5930) Scattering : Scintillation
Walter J. Wild and Eric O. Le Bigot, "Rapid and robust detection of branch points from wave-front gradients," Opt. Lett. 24, 190-192 (1999)