Phase error correction in wavefront curvature sensing via phase retrieval

Percival F. Almoro; Steen G. Hanson

doi:10.1117/12.795852

11 August 2008 Phase error correction in wavefront curvature sensing via phase retrieval

Percival F. Almoro, Steen G. Hanson

Proceedings Volume 7064, Interferometry XIV: Applications; 70640F (2008) https://doi.org/10.1117/12.795852
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

Wavefront curvature sensing with phase error correction system is carried out using phase retrieval based on a partially-developed volume speckle field. Various wavefronts are reconstructed: planar, spherical, cylindrical, and a wavefront passing through the side of a bare optical fiber. Spurious fringe pattern in the reconstructions due to a small tilt in the plane illumination wave is detected and numerically corrected for. Difference in the curvatures of two spherical wavefronts is also evaluated. Possible applications include angular displacement and range measurements.

Citation Download Citation

Percival F. Almoro and Steen G. Hanson "Phase error correction in wavefront curvature sensing via phase retrieval", Proc. SPIE 7064, Interferometry XIV: Applications, 70640F (11 August 2008); https://doi.org/10.1117/12.795852

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