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  1. No Access

    Article

    432-μm laser’s beam-waist measurement for the polarimeter/interferometer on the EAST tokamak

    A far-infrared (FIR) polarimeter/interferometer (PI) system is under development for measurements of the current-density and the electron-density profiles in the EAST tokamak. The system will utilize three ide...

    Z. X. Wang, H. Q. Liu, Y. X. Jie, M. Q. Wu… in Journal of the Korean Physical Society (2014)

  2. No Access

    Chapter and Conference Paper

    Permeability Test and Shear Test on Geosynthetic Clay Liner

    Being nearly impervious, geosynthetic clay liner (GCL) can be used as an alternative of conventional compacted clay liner in many cases. According to the requirement of waterproof protection of Yungang Grotto,...

    Y. X. Jie, Z. B. Fu Engineering, T. Peng… in Geosynthetics in Civil and Environmental E… (2009)

  3. No Access

    Article

    CW Discharge‐Pumped DCN Laser with Novel Mixture Gas

    This paper describes a CW submillimeter waveguide discharge‐pumped DCN laser operating on 190 and 195μm lines with novel mixture gas(N2, CD4, and D2). No brown polymer deposit was found after long time discharge ...

    Y. X. Jie, X. Gao, H. Q. Liu, M. Asif… in International Journal of Infrared and Mill… (2004)

  4. No Access

    Article

    Study of Electron Heat Pulse Propagation and Particle Diffusion During the Synergy of LHW and IBW Heating in the HT-7

    A successful experiment on lower hybrid wave (LHW) and ion Bernstein wave (IBW) synergy has been carried out in the HT-7 superconducting tokamak. With 560KW of LHW heating power and 160 KW of IBW heating power...

    J. Xu, X. Gao, Y. X. Jie, H. Q. Liu… in International Journal of Infrared and Mill… (2004)

  5. No Access

    Article

    The Beam Property of DCN Laser

    In this paper the lasing modes and the propagation property of a CW DCN laser, which cavity is a 50 mm inner diameter with length of 3.4 m, were studied. The modes of 195 and 190 μm lines are well identified b...

    L. Gao, X. Gao, X. W. Hu, Y. X. Jie… in International Journal of Infrared and Mill… (2004)

  6. No Access

    Article

    Experimental Study with LaB6 Cathode on DCN Laser

    A new LaB6 cathode has been developed on DCN laser in this experiment. The LaB6 cathode is expected with long-life time at high current discharge. Optimization of various parameters for maximum output power with ...

    M. Asif, X. Gao, Y. X. Jie, T. Tokuzawa… in International Journal of Infrared and Mill… (2004)

  7. No Access

    Article

    Optimization and Maximum Output Power of CW DCN Laser

    A high power CW 195 μm DCN laser has been developed for fusion plasma diagnostics. Optimization of various parameters (such as the rate of N2:CD4:He gas mixture, the gas pressure and the discharge current, the wa...

    H. Q. Liu, X. Gao, Y. X. Jie, K. Tanaka… in International Journal of Infrared and Mill… (2004)

  8. No Access

    Article

    Design of CW High-Power Discharge-Pumped DCN Laser

    This paper describes a CW sub-millimeter waveguide dischargepumped DCN laser operating on 190 and 195 mu m lines. The laser discharge length is 3 m, and the resonator length is 3.4 m. The resonator cavity cons...

    Y. X. Jie, X. Gao, H. Q. Liu, J. Xu, L. Gao… in International Journal of Infrared and Mill… (2003)

  9. No Access

    Article

    Density Profile and Diffusion Coefficient During IBW Heating in the HT-7 Superconducting Tokamak

    The electron density coefficient was studied during IBW heating in the HT-7 tokamak. The frequency of IBW was 30 MHz, and the injected power was 130 kW. An improved confinement mode was induced by IBW heating ...

    J. Xu, X. Gao, H. Q. Liu, Y. F. Cheng… in International Journal of Infrared and Mill… (2003)

  10. No Access

    Article

    Nonlinear optical response of Ge nanocrystals in silica matrix with excitation of femtosecond pulses

    We report an investigation of third-order optical nonlinearities in Ge nanocrystals (∼6 nm radius) embedded in silica matrix using the Z-scan and pump-probe techniques with femtosecond laser pulses at 780-nm w...

    H.P. Li, C.H. Kam, Y.L. Lam, Y.X. Jie, W. Ji, A.T.S. Wee, C.H.A. Huan in Applied Physics B (2001)

  11. No Access

    Article

    Multi-Channel FIR HCN Laser Interferometer on HT-7 Tokamak

    A Five-channel far-infrared (FIR) hydrogen cyanide (HCN) laser interferometer was developed to measure plasma electron density profile on the HT-7 superconducting tokamak. The structure of the five-channel FIR...

    Y. X. Jie, X. Gao, Y. F. Cheng, K. Yang… in International Journal of Infrared and Mill… (2000)

  12. No Access

    Article

    Raman Shift and Broadening in Stress-Minimized Ge Nanocrystals in Silicon Oxide Matrix

    Ge nanocrystals (nc-Ge) embedded in silicon oxide films were synthesized using RF magnetron sputtering and post-annealing procedure. To minimize the stress effect and inhomogeneity, we intentionally lower the ...

    Y. X. Jie, C. H. A. Huan, A. T. S. Wee, Z. X. Shen in MRS Online Proceedings Library (1999)