Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Liu Da-He"'
Autor:
Wang Lei, Wang Ya-Fei, Wang Ce, Liu Da-He, Du Shuai, Liu Jinying, Li Song, Chen Xiao-Bo, Zhang Yun-Zhi, Xu Xiao-Ling, Zhang Chun-Lin
Publikováno v:
Chinese Physics B. 17:4656-4664
Ho3+ : GdVO4 is a new laser material suitable for high-power laser systems. In this paper we measure the absorption spectra of Ho3+ in the sample Ho3+: GdVO4. The intensity parameters are calculated by using the Judd–Ofelt theory. Some predicted sp
Publikováno v:
Chinese Physics B. 17:1041-1049
The three-dimensional (3D) lattice Boltzmann models, 3DQ15, 3DQ19 and 3DQ27, under different wall boundary conditions and lattice resolutions have been investigated by simulating Poiseuille flow in a circular cylinder for a wide range of Reynolds num
Publikováno v:
Chinese Physics Letters. 23:2372-2375
We theoretically investigate the additional correction to the Casimir effect due to the change of dielectric constant with temperature, which is different from the previous research that have widely taken dielectric constants of materials as a value
Publikováno v:
Chinese Physics Letters. 22:2873-2876
The application of the lattice Boltzmann method to the large vessel bifurcation blood flow is investigated in a wide range of Reynolds numbers. The velocity, shear stress and pressure distributions at the bifurcation are presented in detail. The flow
Publikováno v:
Chinese Physics Letters. 22:1456-1459
A two-dimensional channel flow with different Reynolds numbers is tested by using the lattice Boltzmann method under different pressure and velocity boundary conditions. The results show that the simulation error increases, and the pressure and the f
Publikováno v:
Chinese Physics B. 22:014210
The improvement of attosecond pulse reflection by large angle incidence for a periodic multilayer mirror in the extreme ultraviolet region has been discussed. Numerical simulations of both spectral and temporal reflection characteristics of periodic
Publikováno v:
Acta Physica Sinica. 62:104201
The general reflection and refraction laws at the metasurface with an abrupt phase shift are derived by two methods based on Fermat's principle and the boundary conditions of continuity, it is found that one or two critical angles for total internal
Autor:
Lin Cheng-You, Liu Da-He
Publikováno v:
Chinese Physics B. 21:094216
The reflecting of a single attosecond pulse from a periodic Mo/Si multilayer was investigated. By changing the number of bi-layers, the periodic multilayer showed greatly different spectral and temporal responses of the attosecond pulse reflection, w
Publikováno v:
Acta Physica Sinica. 61:064212
The effect of line width compression of stimulated Brillouin scattering (SBS) is investigated experimentally. It is found that the line width compression is directly related to the compression of pulse duration. A new method of measuring the line wid
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