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Luca Spolladore, Ivan Wyss, Riccardo Rossi and Pasquale Gaudio
Laser-based methods are widely used techniques for thermonuclear plasma diagnostics, since they can probe the internal of the plasma, being contactless and non-invasive. The interferometer, the polarimeter and Thomson scattering are the most widespread t...
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Yamin Zhao, Junning Cui, Junchao Zhao, Xingyuan Bian and Limin Zou
To improve the low-frequency isolation performance of optical platforms, an electromagnetic active-negative-stiffness generator (EANSG) was proposed, using nano-resolution laser interferometry sensors to monitor the micro-vibration of an optical platform...
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Yujiro Sugino, Masahiro Ikenaga and Daisuke Mizuno
Optical trapping and laser interferometry enable the non-invasive manipulation of colloids, which can be used to investigate the microscopic mechanics of surrounding media or bound macromolecules. For efficient trapping and precise tracking, the sample m...
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Francesca Bozzano, Carlo Esposito, Paolo Mazzanti, Federico Innocca and Saverio Romeo
On February 14th, 2018, in the North-Western sector of the Municipality of Rome (Central Italy), in the framework of an excavation for building construction, a portion of a piling wall piling wall collapsed in an already densely urbanized area. Soil behi...
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Ján Erdélyi, Alojz Kopácik and Peter Kyrinovic
Weather conditions and different operational loads often cause changes in essential parts of engineering structures, and this affects the static and dynamic behavior and reliability of these structures. Therefore, geodetic monitoring is an integral part ...
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Yu-Chih Lin, Yu-Hsi Huang and Kwen-Wei Chu
This investigation is to establish the model of solid?liquid coupled vibration for piezoelectric material. The experimental measurements and finite element computation results are in good agreement for both the anti-phase and in-phase vibrations coupled ...
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Xuan Wei, Zhikun Su, Xiaohuan Yang, Zekui Lv, Zhiming Yang, Haitao Zhang, Xinghua Li and Fengzhou Fang
In order to improve the accuracy of the linear motion of computer numerical control (CNC) machine tools, a novel method based on a new type of 1-D (1-dimensional) artifact is proposed to measure the geometric errors. Based on the properties of the displa...
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Guo-Ying Ren, Xing-Hua Qu and Shuang Ding
In the precise displacement measurement based on laser interferometry, the measurement technology for the refractive index of air is widely used to improve the measurement accuracy. However, the existing measurement method of the refractive index of air ...
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Xiong Shen, Peng Wang, Jun Liu, Takayoshi Kobayashi and Ruxin Li
Since its introduction in 2010, self-referenced spectral interferometry (SRSI) has turned out to be an analytical, sensitive, accurate, and fast method for characterizing the temporal profile of femtosecond pulses. We review the underlying principle and ...
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Caspar Clark, Riccardo Bassiri, Iain W. Martin, Ashot Markosyan, Peter G. Murray, Des Gibson, Sheila Rowan and Martin M. Fejer
The dielectric thin-?lm coating on high-power optical components is often the weakest region and will fail at elevated optical ?uences. A comparison of single-layer coatings of ZrO2, LiF, Ta2O5, SiN, and SiO2 along with anti-re?ection (AR) coatings optim...
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