Wavefront sensing

M. Garcia; F. Granados; A. Cornejo

doi:10.1117/12.760122

28 November 2007 Wavefront sensing

M. Garcia, F. Granados, A. Cornejo

Proceedings Volume 6834, Optical Design and Testing III; 683412 (2007) https://doi.org/10.1117/12.760122
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

The development of new technology in optical systems has provided the possibility of measure intensity and establishes the wavefront. This idea is based in the fact that wavefront and its intensity are related in the mathematical expression irradiance transport equation, which is a partial differential equation. The solution for this kind expression was done in the middle of 1700 by mathematicians like Bernoulli, Euler, d'Alambert, Laplace, Legendre, Fourier and others, all of them using numerical techniques to solve these expressions. The use of optical system i.e. astronomical systems, that can change their properties adding, removing or altering optical elements is basic when the information can be a collimated or focused beam reach in best condition, using the wavefront have been the best way to do this. With this condition is necessary to develop different ways to establish and measure the wavefront who travels thorough optical system. To do this will be use the irradiance transport equation. Our treatment is to solved the irradiance transport equation who describe the intensity variation in a beam with irradiance I, when it propagates a long the z-axis of optical system. More over, using a Hartman screen test we expect module the wavefront, measuring the distribution of intensity at two planes along the z-axis, and finally give the real wavefront.

Citation Download Citation

M. Garcia, F. Granados, and A. Cornejo "Wavefront sensing", Proc. SPIE 6834, Optical Design and Testing III, 683412 (28 November 2007); https://doi.org/10.1117/12.760122

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