Performance of a wavefront sensor in the presence of singular points

Valerii Aksenov; Igor Izmailov; Feodor Kanev; Feodor Starikov

doi:10.1117/12.696005

15 September 2006 Performance of a wavefront sensor in the presence of singular points

Valerii Aksenov, Igor Izmailov, Feodor Kanev, Feodor Starikov

Proceedings Volume 6341, Speckle06: Speckles, From Grains to Flowers; 634133 (2006) https://doi.org/10.1117/12.696005
Event: Speckle06: Speckles, From Grains to Flowers, 2006, Nimes, France

Abstract

In the present report the possibility of singular points detections using a Shack-Hartmann sensor is described and the precision of the developed detection algorithm is estimated. Also the algorithms of a singular wave front reconstruction are analyzed. Two algorithms are considered and their properties compared. One of them was developed by D. Fried, its description was found in literature. The second algorithm was developed by authors of the report. The both algorithms were introduced into the software of the sensor and insured satisfactory quality of singular phase reconstruction. The precision of algorithms compared in numerical investigations as well in real laboratory experiments.

Citation Download Citation

Valerii Aksenov, Igor Izmailov, Feodor Kanev, and Feodor Starikov "Performance of a wavefront sensor in the presence of singular points", Proc. SPIE 6341, Speckle06: Speckles, From Grains to Flowers, 634133 (15 September 2006); https://doi.org/10.1117/12.696005

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