Bioimpedance analysis (BIA) is a potential field and clinical method for evaluating fat percentage and body mass. Multi-frequency bioimpedance monitoring methodology used for the analysis purpose is a widely used method to estimate body composition. The multifrequency bioimpedance analysis using network analyzer is a relatively quick, simple and non-invasive technique to measure body compositio...

Multi-photon excitation (MPE) microscopy plays a growing role among microscopical techniques utilized for studying biological matter. In conjunction with confocal microscopy it can be considered the imaging workhorse of life science laboratories. Its roots can be found in a fundamental work written by Maria Goeppert Mayer more than 70 years ago. Nowadays, 2PE and MPE microscopes are expected to...

Coherent excitation of magnons is conventionally achieved through Raman scattering processes, in which the difference-frequency components driving field are resonant with magnon energy. Here, we describe mechanisms by sum-frequency can be used to coherently excite two-particle absorption processes. We use Landau-Lifshitz-Gilbert formalism compare spin-precession amplitudes that different types ...

Abstract In this paper, a numerical model that can simulate the vibration of transformer core under arbitrary inter-harmonic excitation is established. On basis, influence interharmonics on studied. First, based multi-physics coupling software, by deriving differential equations physical fields, circuit, magnetic field and solid mechanics Then magnetostriction curve used to calculate flux densi...

As a kind of sustainable energy source, ocean wave has always attracted attention. Because the characteristics multi-directions and low-bandwidth, harvesting been difficult. To harvest broadband in multiple directions improve power generation efficiency, we present multi-modal device by using cross beam structure. In this device, efficient multi-frequency vibration achieved structure high effic...

Abstract The formation of Frenkel excitons in a 2D semiconductor nanosystem induced by frequency-multimode non-classical electromagnetic field is investigated. Strong sensitivity excitation dynamics to the initial states quantum modes found. possibility manage and controllably enhance certain channel varying frequency detuning choosing proper state multimode demonstrated. specific features aris...