Adaptive optics with advanced phase-contrast techniques. II. High-resolution wave-front control
JOSA A, Vol. 18, Issue 6, pp. 1300-1311 (2001)
http://dx.doi.org/10.1364/JOSAA.18.001300
Acrobat PDF (624 KB)
Abstract
A wave-front control paradigm based on gradient-flow optimization is analyzed. In adaptive systems with gradient-flow dynamics, the output of the wave-front sensor is used to directly control high-resolution wave-front correctors without the need for wave-front phase reconstruction (direct-control systems). Here, adaptive direct-control systems with advanced phase-contrast wave-front sensors are analyzed theoretically, through numerical simulations, and experimentally. Adaptive system performance is studied for atmospheric- turbulence-induced phase distortions in the presence of input field intensity scintillations. The results demonstrate the effectiveness of this approach for high-resolution adaptive optics.
© 2001 Optical Society of America
[Optical Society of America ]
OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
Citation
Eric W. Justh, Mikhail A. Vorontsov, Gary W. Carhart, Leonid A. Beresnev, and P. S. Krishnaprasad, "Adaptive optics with advanced phase-contrast techniques. II. High-resolution wave-front control," J. Opt. Soc. Am. A 18, 1300-1311 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-6-1300
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