Fundamental and specific steps in Shack-Hartmann wavefront sensor design

Costin Curatu; George Curatu; Jannick Rolland

doi:10.1117/12.680892

31 August 2006 Fundamental and specific steps in Shack-Hartmann wavefront sensor design

Costin Curatu, George Curatu, Jannick Rolland

Proceedings Volume 6288, Current Developments in Lens Design and Optical Engineering VII; 628801 (2006) https://doi.org/10.1117/12.680892
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Shack-Hartmann sensors are widely used to measure wavefront aberrations. We present the fundamental and specific engineering steps in the design of Shack-Hartmann wavefront sensors. Typical performance requirements such as sensor dynamic range, sensitivity and accuracy are defined and discussed. We investigate the trade-offs between these performance metrics and the factors affecting the trade-offs. A first order approach for selecting the optimal parameters of the sensor central piece, the lenslet array, is presented. We also propose a quick tolerance analysis method that can predict the wavefront measurement error due to misalignments, using only the ray-tracing software.

Citation Download Citation

Costin Curatu, George Curatu, and Jannick Rolland "Fundamental and specific steps in Shack-Hartmann wavefront sensor design", Proc. SPIE 6288, Current Developments in Lens Design and Optical Engineering VII, 628801 (31 August 2006); https://doi.org/10.1117/12.680892

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