Spatial and spectral wavefront analysis and measurement

Details Spatial and spectral wavefront analysis and measurement Spatial and spectral wavefront analysis and measurement

G - Physics

01

J

G01J 9/00 (2006.01) G11B 7/14 (2006.01) G01N 21/95 (2006.01) G11B 20/10 (2006.01)

Patent

CA 2404765

A method and apparatus for wavefront analysis including obtaining a plurality of differently phase changed transformed wavefronts corresponding to a wavefront being analyzed which has an amplitude and a phase, obtaining a plurality of intensity maps of the plurality of phase changed transformed wavefronts and employing the plurality of intensity maps to obtain an output indicating the amplitude and phase of the wavefront being analyzed.

L'invention concerne un procédé et un appareil d'analyse de fronts d'ondes. Ce procédé consiste à obtenir une pluralité de fronts d'ondes transformés à changements de phase différents correspondant à un front d'ondes en cours d'analyse qui présente une amplitude et une phase, à obtenir une pluralité d'images d'intensité de la pluralité de fronts d'ondes transformés à changements de phase et à utiliser cette pluralité d'images d'intensité pour obtenir une sortie indiquant l'amplitude et la phase du front d'ondes en cours d'analyse.

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