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15 March 2004 Shack-Hartmann wavefront control of laser beams for atom interferometers
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The calibration way of a Shack-Hartmann sensor for the absolute wave front measurement of collimated beams is represented. Nearly perfect spherical wave fronts originating from a single mode fiber were used as references. After the calibration, the uncertainty of the wave front curvature is below 0.002 m-1 over a diameter of 6 mm for the investigated sensor with a focal length of 27 mm. The procedure of the collimated beam preparation with the ultimate flat wave front over one millimeter for an atom interferometer is demonstrated.
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A. K. Chernyshov "Shack-Hartmann wavefront control of laser beams for atom interferometers", Proc. SPIE 5481, Laser Optics 2003: Wavefront Transformation and Laser Beam Control, (15 March 2004);

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