Paper |
Title |
Page |
MOPG14 |
The Use of Single-crystal CVD Diamond as a Position Sensitive X-ray Detector |
71 |
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- E. Griesmayer, P. Kavrigin, Ch. Weiss
CIVIDEC Instrumentation, Wien, Austria
- C. Bloomer
DLS, Oxfordshire, United Kingdom
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Synchrotron light sources generate intense beams of X-ray light for beamline experiments, and the stability of these X-ray beams has a large impact on the quality of the experiments that can be performed. User experiments increasingly utilise micro-focus techniques, focusing the X-ray beam size to below 10 microns at the sample point, with beamline detectors operating at kHz bandwidths. Thus, there is a demand for non-invasive diagnostic techniques that can reliably monitor the X-ray beam position with sub-micron accuracy in order to characterise X-ray beam motion, at corresponding kHz bandwidths. Reported in this paper are measurements from single-crystal CVD diamond detectors, and a comparison with the previous-generation of polycrystalline CVD diamond detectors is offered. Single-crystal diamond is shown to offer superior uniformity of response to incident X-rays, and excellent intensity and position sensitivity. Measurements from single-crystal diamond detectors installed at Diamond Light Source are presented, and their use in feedback routines in order to stabilise the X-ray beam at the sample point is discussed.
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DOI • |
reference for this paper
※ DOI:10.18429/JACoW-IBIC2016-MOPG14
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MOPG19 |
Diamond Monitor Based Beam Loss Measurements in the LHC |
82 |
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- C. Xu, B. Dehning, F.S. Domingues Sousa
CERN, Geneva, Switzerland
- E. Griesmayer
CIVIDEC Instrumentation, Wien, Austria
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Two pCVD diamond based beam loss monitors (dBLM) are installed near the primary collimators of the LHC, with a dedicated, commercial readout-system used to acquire their signals. The system is simultaneously able to produce a high sampling rate waveform and provide a real-time beam loss histogram for all bunches in the machine. This paper presents the data measured by the dBLM system during LHC beam operation in 2016.
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DOI • |
reference for this paper
※ DOI:10.18429/JACoW-IBIC2016-MOPG19
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