In this paper the theoretical background was analyzed for vibration diagnostics method and experience in its application for weak base embankments. General schemes of survey and recommendations on hardware systems and...In this paper the theoretical background was analyzed for vibration diagnostics method and experience in its application for weak base embankments. General schemes of survey and recommendations on hardware systems and further prospective development are outlined.展开更多
A visible laser-based vibration compensation interferometer has recently been designed for the EAST tokamak and the bench test has been finished.The system was optimized for its installation on EAST.The value of the f...A visible laser-based vibration compensation interferometer has recently been designed for the EAST tokamak and the bench test has been finished.The system was optimized for its installation on EAST.The value of the final optical power before the detectors without plasma has been calculated from the component bench test result,which is quite close to the measured value.A nanometer level displacement（of the order of the laser＇s wavelength） has been clearly measured by a modulation of piezoelectric ceramic unit,proving the system＇s capability.展开更多
文摘In this paper the theoretical background was analyzed for vibration diagnostics method and experience in its application for weak base embankments. General schemes of survey and recommendations on hardware systems and further prospective development are outlined.
基金supported by the National Magnetic Confinement Fusion Program of China(Nos.2014GB106002,2014GB106003,2014GB106004)National Natural Science Foundation of China(Nos.11105184,11375237,11505238)
文摘A visible laser-based vibration compensation interferometer has recently been designed for the EAST tokamak and the bench test has been finished.The system was optimized for its installation on EAST.The value of the final optical power before the detectors without plasma has been calculated from the component bench test result,which is quite close to the measured value.A nanometer level displacement（of the order of the laser＇s wavelength） has been clearly measured by a modulation of piezoelectric ceramic unit,proving the system＇s capability.
