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Mechanical design of a dual-phase grating holder
Grating alignment for phase sensitive X-ray imaging is a crucial part of system optimization. Due to the small structure sizes of the optical components, the alignment of the individual parts has to be performed with on length scales below these structures. This can be done with piezo-motors, which can align objects on the order of a few nanometres. While this accuracy is unchallenged, the amount of freedom makes the optimization of the alignment difficult, time consuming and tedious. Since not all degrees of freedom need to be controlled with the same precision, mechanical fixtures allow to confine the gratings in most of the degrees of freedom, while still allowing to fine tune a few important parameters. This project is aimed to design such a holder for our dual-phase system.
Keywords: x-ray, mechanical design, imaging
The description can be found here: https://drive.switch.ch/index.php/s/rSvVFbSqfwDpUF3
The description can be found here: https://drive.switch.ch/index.php/s/rSvVFbSqfwDpUF3