英国皇家物理学会期刊
期刊
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作者:X. Wang , H. T. Jiang ...
来源:[J].EPL (Europhysics Letters)(IF 2.26), 2014, Vol.108 (1)IOP
摘要:We study the wave transport properties near the Dirac-like point at the Brillouin zone center in two-dimensional dielectric photonic crystals with finite thickness. Both simulations and microwave experiments confirm that the transmittance is nearly inversely proportional to ...
作者:X. Wang , M. Yoshikawa ...
来源:[J].Journal of Instrumentation(IF 1.869), 2015, Vol.10 (11)IOP
摘要:I-Q (In-phase Quadrature) demodulator is one of key components in microwave interferometer system application. Normally, I-Q demodulator consists of amplifiers, mixers, 90 degree phase shifter, power divider and band-pass filters, and it is widely used in various microwave commun...
作者:X. Wang , E.J. Doyle ...
来源:[J].Nuclear Fusion(IF 2.734), 2015, Vol.55 (11)IOP
摘要:In this paper we show that changing from an ion temperature gradient (ITG) to a trapped electron mode (TEM) dominant turbulence regime (based on linear gyrokinetic simulations) results experimentally in a strong density pump-out (defined as a reduction in line-averaged density) i...
作者:X. Wang , S. Kanno ...
来源:[J].Journal of Instrumentation(IF 1.869), 2015, Vol.10 (12)IOP
摘要:Microwave interferometer has newly been installed on GAMMA 10/PDX for divertor simulation study. A divertor simulation experimental module (D-module) is used to investigate the physics of divertor in the end-cell of GAMMA 10/PDX where an open magnetic field configuration is forme...
作者:X. Wang , X. Wang ...
来源:[J].Journal of Instrumentation(IF 1.869), 2016, Vol.11 (02)IOP
摘要:Background noise is one of the main interference sources of the Raman spectroscopy measurement and imaging technique. In this paper, a sparse representation based algorithm is presented to process the Raman signals under high background noise. In contrast with the existing de-noi...
作者:X. Wang , H. T. Jiang ...
来源:[J].EPL (Europhysics Letters)(IF 2.26), 2013, Vol.103 (1)IOP
摘要:The transmission properties of disordered photonic graphenes are investigated in microwave experiments. In the weak-localization regime, we found that, in the passbands the transmission decreases as the random degree increases, owing to the enhanced coherent backscattering effect...
作者:X. Wang , Z. Xu ...
来源:[J].Journal of Instrumentation(IF 1.869), 2014, Vol.9 (10)IOP
摘要:The micro-mesh gaseous structure (Micromegas) has been significantly developed since it was proposed in 1995 at Saclay (France). Some new construction methods different from ``bulk'' etching technique are under R&D. Here we report the results of several prototypes manufactur...
作者:X. Wang , Y. Wang ...
来源:[J].Journal of Instrumentation(IF 1.869), 2014, Vol.9 (11)IOP
摘要:Muon tomography is an advanced technology to non-destructively detect high atomic number materials. It exploits the multiple Coulomb scattering information of muon to reconstruct the scattering density image of the traversed object. Because of the statistics of muon scattering, t...
作者:X. Wang , W. Zhu ...
来源:[J].Journal of Instrumentation(IF 1.869), 2014, Vol.9 (12)IOP
摘要:A prototype of cosmic muon scattering tomography system has been set up in Tsinghua University in Beijing. Multi-gap Resistive Plate Chamber (MRPC) is used in the system to get the muon tracks. Compared with other detectors, MRPC can not only provide the track but also the Time o...
作者:X. Wang , M. Morishita ...
来源:[J].Journal of Instrumentation(IF 1.869), 2015, Vol.10 (08)IOP
摘要:A multi-pass (MP) Thomson scattering (TS) system modeled on the GAMMA 10/PDX TS system was constructed for enhancing the Thomson scattered signals. The MPTS system has a polarization-based configuration with an image relaying system. The former MPTS system in GAMMA 10/PDX can mea...

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