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This paper presents a special portable apparatus for workpiece magnetism determination of joule balance at NIM. It could be used to evaluate easily the magnetic variation of mechanical parts before and after processing, quickly measuring weak magnetic properties of materials. The measuring process is simple without a customized sample. From the variation of a mutual inductance value in two different...
This paper reports a novel method for nanofabrication utilizing the hybrid of energetic ion induced fluidization and stress. In the method, large-area irradiation of focused ion beam (FIB) on suspended film structures such as clamped-clamped cantilevers is adopted. The ion (such as Ga+) bombardment causes sputtering, fluidization and stress introducing to the target materials. These effects work together...
A 1×2 multimode interference device is monolithically integrated to two electroabsorption modulator based switches at the output ports by means of quantum-well intermixing. At the wavelength range of 1550-1570nm, both arms act as separate DC switches which can be modulated with the extinction ratios of up to 10dB. Monolithic integration of active and passive photonic components is attractive due to...
To accurately measure the magnetic energy difference at different positions, the Joule balance is designed to work under a high stability and sensitivity environment. This paper presents the detailed design of balance system, the vibration characteristics of the balance foundation and the deformation of balance beam. The experimental results show that the maximum displacement of foundation is detected...
Invisibility cloaks for generalized superellipse are proposed and investigated. Spatial coordinate transformation approach in polar coordinates form is applied to design the electromagnetic constitutive parameters. The required material properties, which do not involve discontinuities in the cloak shell, are derived in general form, and the cloaking performance is found relates to the properties of...
This paper presents a new approach to the modification of materials surfaces using an atmospheric dielectric barrier discharge plasma jet. The emission spectral lines and the macroscopic plasma temperature of argon plasma jet are obtained using the spectral diagnostics method and the liquid-in-glass thermometer, respectively. Results show that electron excitation temperature and the macroscopic temperature...
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