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- T. Matsumoto, A. Yamashita
JASRI/SPring-8, Hyogo-ken
- S. I. Inoue
SES, Hyogo-pref.
- Y. Otake
RIKEN/SPring-8, Hyogo
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XFEL/SPring-8 will start beam commissioning in March 2011. Beam profile monitors are an important tool for beam diagnostics. The diagnostic tool monitors beam profile images and evaluates beam shapes and intensities in real time. Image data is stored with a beam tagged number to be compared with other synchronized data such as beam position monitors. Many functions are required to the diagnostic tool. The monitor system consists of screens and CCD cameras with lens assemblies. The screens and lenses are controlled with programmable logic controllers. The cameras are connected to a PC with Camera Link. To choose a camera, selectors are used. On the PC, a server program writes image data into shared memory and a diagnostics tool fetches the data. The diagnostics tool is developed using Python with a graphical user interface (GUI) based on wxPython. In the GUI, several functions such as image analysis, camera control, data record and viewer are required, and easily implemented with the Python. The beam profile monitoring system was tested with the SCSS prototype accelerator under similar condition, and then will be applied to XFEL/SPring-8.
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Slides
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