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17 Result(s)

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  1. No Access

    Article

    Preparation and Optimization of Vanadium Titanomagnetite Carbon Composite Hot Briquette: A New Type of Blast Furnace Burden

    A new type of blast furnace burden, named VTM-CCB (vanadium titanomagnetite carbon composite hot briquette), is proposed and optimized in this paper. The preparation process of VTM-CCB includes two components...

    W. Zhao, H. T. Wang, Z. G. Liu, M. S. Chu, Z. W. Ying, J. Tang in JOM (2017)

  2. No Access

    Article

    Excitations in a modified Shastry-Sutherland model

    A modified Shastry-Sutherland model with fourth-nearest-neighbor dimerization is studied with strong coupling perturbation theory. One-triplet excitations are calculated up to the second order. Bose-Einstein c...

    H. T. Wang in The European Physical Journal B (2012)

  3. No Access

    Article

    A compact efficient continuous-wave self-frequency Raman laser with a composite YVO4/Nd:YVO4/YVO4 crystal

    We report a low-threshold continuous-wave self-Raman laser with a composite YVO4/Nd:YVO4/YVO4 crystal. The use of the composite crystal can reduce the thermal effects and achieve the low-threshold and high Raman ...

    L. Fan, Y.-X. Fan, H.-T. Wang in Applied Physics B (2010)

  4. No Access

    Article

    Slow light in a simple metamaterial structure constructed by cut and continuous metal strips

    Recently, slow light in metamaterials has been investigated based on the coupling between two quasi-bound states, in classic analogue of electromagnetically induced transparency in atomic systems. Here we demo...

    M. Kang, Y. N. Li, J. Chen, J. Chen, Q. Bai, H. T. Wang, P. H. Wu in Applied Physics B (2010)

  5. No Access

    Article

    Cooperative order and excitation spectra in the bicomponent spin networks

    A ferrimagnetic spin model composed of S = 1/2 spin-dimers and S = 5/2 spin-chains is studied by combining the bond-operator representation (for S = 1/2 spin-dimers) and Holstein-Primakoff transformation (for S ...

    B. Xu, H.-T. Wang, Y. P. Wang in The European Physical Journal B (2010)

  6. No Access

    Article

    Actively-controlled polarization independent extraordinary electromagnetic transmission in one-dimensional metal gratings

    We present a scheme for achieving actively-controlled polarization independent extraordinary electromagnetic transmission in one-dimensional subwavelength metal gratings. The key of this realization is to intr...

    Q. Bai, C. Liu, J. Chen, Y. X. Fan, H. T. Wang in Applied Physics B (2010)

  7. No Access

    Article

    Enhanced sensitivity of Z-scan technique by use of flat-topped beam

    Based on the Huygens–Fresnel diffraction integral method, we report a theoretical investigation on the closed-aperture Z-scan technique by using the flat-topped beam. The sensitivity of the flat-topped beam Z-...

    J. Wang, B. Gu, Y. M. Xu, H. T. Wang in Applied Physics B (2009)

  8. No Access

    Article

    Continuous-wave intracavity Raman laser at 1179.5 nm with SrWO4 Raman crystal in diode-end-pumped Nd:YVO4 laser

    We report a continuous-wave intracavity Raman laser at 1179.5 nm with a SrWO4 Raman crystal in a diode-end-pumped Nd:YVO4 laser. The highest output power of 2.23 W is obtained at the laser diode power of 21.2 W c...

    L. Fan, Y. X. Fan, Y. H. Duan, Q. Wang, H. T. Wang, G. H. Jia… in Applied Physics B (2009)

  9. No Access

    Article

    High-efficiency eye-safe intracavity Raman laser at 1531 nm with SrWO4 crystal

    A high-efficiency diode-end-pumped Q-switched eye-safe linearly-polarized intracavity Raman laser at 1531 nm is demonstrated, with Nd:YVO4 as the laser medium and SrWO4 as the Raman crystal. The highest average p...

    Y. X. Fan, Y. Liu, Y. H. Duan, Q. Wang, L. Fan, H. T. Wang, G. H. Jia… in Applied Physics B (2008)

  10. No Access

    Article

    Co2+:LMA crystal as saturable absorber for a diode-pumped passively Q-switched Nd:YVO4 laser at 1342 nm

    We have demonstrated an efficient diode-pumped passively Q-switched Nd:YVO4 laser at 1342 nm by using an uncoated Co2+:LaMgAl11O19 (Co2+:LMA) crystal as the saturable absorber. With the absorbed pump power of 11....

    H.T. Huang, J.L. He, C.H. Zuo, H.J. Zhang, J.Y. Wang, Y. Liu… in Applied Physics B (2007)

  11. No Access

    Article

    A linearly polarized continuous-wave 1357-nm Nd:YAG laser

    We demonstrated a linearly polarized continuous-wave Nd:YAG laser operating at a 1357-nm single-wavelength, by a 808-nm diode as an end-pump source. We chose a Brewster-angle-cut Nd:YAG laser host crystal, due...

    Y.X. Fan, Y.E. Hou, Y. Liu, Q. Xu, H.T. Wang, J.L. He in Applied Physics B (2007)

  12. No Access

    Article

    High efficiency single- and dual-wavelength Nd : GdVO4 lasers pumped by a fiber-coupled diode

    Diode-end-pumped high-efficiency single- and dual-wavelength Nd : GdVO4 lasers have been demonstrated. For the single-wavelength operation, the maximum cw output powers of 15.6 W (M2=1.54) at 1063 nm and 7.5 W (M

    J.L. He, J. Du, J. Sun, S. Liu, Y.X. Fan, H.T. Wang, L.H. Zhang… in Applied Physics B (2004)

  13. No Access

    Article

    Red, yellow, green and blue – four-color light from a single, aperiodically poled LiTaO3 crystal

    We demonstrate simultaneous quasi-continuous wave generation of red, yellow, green and blue coherent radiation based on quadruple quasi-phase matching (QPM) frequency upconversion from a single, aperiodically ...

    J. Liao, J.L. He, H. Liu, J. Du, F. Xu, H.T. Wang, S.N. Zhu, Y.Y. Zhu… in Applied Physics B (2004)

  14. No Access

    Article

    Fidelities of output coherent images produced by photorefractive two-wave mixing

    We study theoretically the fidelities of output coherent images in incoherent-to-coherent conversion based on photorefractive two-wave mixing in the presence of an incoherent image-bearing beam. A vector versi...

    F. Xu, P. Fan, J.L. He, H.T. Wang in Applied Physics B (2004)

  15. No Access

    Article

    Electro-optically controlled efficiencies in a QPM coupled parametric process

    We present a method for controlling the efficiencies of frequency doubling and frequency tripling in a QPM coupled parametric process based on the electro-optic effect. The numerically simulated results verify...

    F. Xu, J. Liao, Q. Wang, J. Du, Q. Xu, S. Liu, J.L. He, H.T. Wang… in Applied Physics B (2003)

  16. No Access

    Article

    Theory of optical bistability in a non-linear quasi-waveguide

    Optical bistable behavior in a quasi-waveguide containing non-linear film has been experimentally investigated in several publications in the past years; however, the physical mechanism for optical bistability...

    J. Liao, X.J. Zhang, F. Xu, X.Z. Fan, H.T. Wang, N.B. Ming in Applied Physics B (2002)

  17. No Access

    Article

    Generation of 840 mW of red light by frequency doubling a diode-pumped 1342 nm Nd:YVO4 laser with periodically-poled LiTaO3

    We report an efficient generation of red light in a periodically-poled LiTaO3 (PPLT) crystal by extracavity single-pass frequency doubling of a diode-pumped, Q-switched Nd:YVO4 laser at 1342 nm. The sample used i...

    J.L. He, G.Z. Luo, H.T. Wang, S.N. Zhu, Y.Y. Zhu, Y.B. Chen, N.B. Ming in Applied Physics B (2002)