Adaptive optics without wavefront sensors

Details Adaptive optics without wavefront sensors Adaptive optics without wavefront sensors

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980spie..228...63m&link_type=abstract

In: Active optical devices and applications; Proceedings of the Seminar, Washington, DC, April 10, 11, 1980. (A81-37719 17-74) B

Physics

Optics

Aberration, Adaptive Optics, High Power Lasers, Image Reconstruction, Optical Correction Procedure, Thermal Blooming, Amplitude Distribution Analysis, Atmospheric Turbulence, Image Resolution, Irradiance, Optical Equipment, Technology Utilization, Turbulence Effects, Wave Diffraction

Scientific paper

Two sharpness functions are considered for the problem of dynamic phase estimation and correction of aberrated images. One is based on the integral of the square of the image irradiance distribution. The other uses integration of the irradiance distribution over an area smaller than the diffraction-limited resolution area. Examples of phase retrieval using these sharpness functions are given, and laboratory experiments on their verification are described. Applications of this technique to high-energy laser systems, thermal blooming, imaging through atmospheric turbulence, and large optical systems are discussed.

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