Subaperture wavefront measurement using Talbot interferometry

Bichra, Mohamed; Sabitov, Nail; Pant, Kamal; Ramu, D.; Khan, Gufran Sayeed GND; Sinzinger, Stefan GND

A method based on sub aperture stitching for measurement of a freeform wavefront is proposed and applied to wavefronts calculated from the slope data acquired using a Talbot wavefront sensor. The presented theory is tested experimentally on the example of a cubic wavefront generated by a phase plate. A comparison with a commercial Shack Hartmann Sensor is done.

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Bichra, Mohamed / Sabitov, Nail / Pant, Kamal / et al: Subaperture wavefront measurement using Talbot interferometry. 2016.

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