We reported a wavelength-flexible all-polarization-maintaining self-sweeping fiber laser based on the intracavity loss tuning brought by bent optical fiber. The bidirectional cavity structure achieved effect due to appearance of dynamic grating in active with spatial hole burning effect. Under this, section was into circle for adjusting cavity. With descending diameter circle, sweeping range mo...

Abstract Within the dual symmetric point of view, theory for seeking axion dark matter via haloscope experiments is derived by exactly solving electrodynamics equation. Notwithstanding that conventional presented in [9,11] more commonly used theory, we show has advantages to apply into theory. First, and perspective coincide under long-wavelength approximation. Moreover, can obtain an exact ana...

this paper is a computational study of the behavior of aerodynamics  characteristics of an airfoil with blunt trailing edge and  studies the effects aerodynamic performance caused by modifications made to the trailing edge. blunt trailing edge airfoils are of interest in the engineering of large wind turbine blades because they allow for a strong structure with a high aerodynamic lift to struct...

Using a microscopic theory based on excluded-volume interactions, we analyze the structure and thermodynamic stability of configurations in a two-dimensional liquid crystal confined into a (small) circular nanocavity. Weak homeotropic anchoring conditions are considered, and topological defects of total charge k=+1 are discussed. It is found that, for small cavity radii, the cavity is free of d...

We investigate Jahn-Teller (JT) polaritons, which emerge from the interaction of two normal-incidence electromagnetic modes with perpendicular polarizations in a Fabry-Perot cavity resonator JT active systems. These polaritons are characterized by mixed $(+/-)$--circular polarization that originates molecular vibronic coupling material subsystem. Consequently, exchange photonic and angular mome...

A simple method is formulated for predicting three-dimensional supercavitating flow behind cavitators subject to gravitational acceleration and motion of the cavitator. The method applies slenderbody theory in the context of matched asymptotic expansions to pose an inner problem for the cavity evolution downstream from the locus of cavity detachment. This inner problem is solved by means of a c...

This paper investigates the interaction between the shear layer over a circular cavity and the flowexcited acoustic response of the volume to shear layer instability modes. Within the fluid-resonant category of cavity oscillation, most research has been carried out on rectangular geometries and where cylinders are considered, side branch and Helmholtz oscillators are most common. In these studi...