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Proceedings Paper

Fundamental and specific steps in Shack-Hartmann wavefront sensor design
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Paper 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.

Paper Details

Date Published: 31 August 2006
PDF: 9 pages
Proc. SPIE 6288, Current Developments in Lens Design and Optical Engineering VII, 628801 (31 August 2006); doi: 10.1117/12.680892
Show Author Affiliations
Costin Curatu, College of Optics and Photonics, Univ. of Central Florida (United States)
George Curatu, College of Optics and Photonics, Univ. of Central Florida (United States)
Jannick Rolland, College of Optics and Photonics, Univ. of Central Florida (United States)


Published in SPIE Proceedings Vol. 6288:
Current Developments in Lens Design and Optical Engineering VII
Pantazis Z. Mouroulis; Warren J. Smith; R. Barry Johnson, Editor(s)

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