Differential wavefront curvature sensor

Weiyao Zou; Jannick Rolland

doi:10.1117/12.630913

18 August 2005 Differential wavefront curvature sensor

Weiyao Zou, Jannick Rolland

Proceedings Volume 5869, Optical Manufacturing and Testing VI; 586917 (2005) https://doi.org/10.1117/12.630913
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

In this paper, a wavefront curvature sensor is presented. This sensor is based on the measurements of the differentials of wavefront slopes, where the wavefront slope measurements can be achieved by a Shack-Hartmann sensor. A Shack-Hartmann sensor with three output collimated beams will be introduced with a lenslet array installed in each beam. By shifting two of the Shack-Hartmann grids in the x- and in the y- directions independently compared to the third grid, we can measure the slope differences and obtain the wavefront curvatures at each grid point. A wavefront reconstruction can be performed with the wavefront curvature measurements.

Citation Download Citation

Weiyao Zou and Jannick Rolland "Differential wavefront curvature sensor", Proc. SPIE 5869, Optical Manufacturing and Testing VI, 586917 (18 August 2005); https://doi.org/10.1117/12.630913

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