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  1. No Access

    Article

    Effective pulse recompression after nonlinear spectral broadening in picosecond Yb-doped fiber amplifier

    We report the performance of a picosecond master-oscillator power amplifier (MOPA) system based on a diode-pumped solid-state (DPSS) seed laser and Yb-doped fiber amplifier. An average power of 28 W at ∼200 MH...

    A. K. Zaytsev, C. -L. Wang, C. -H. Lin, Y. -J. You, F. -H. Tsai… in Laser Physics (2012)

  2. No Access

    Article

    Robust diode-end-pumped Nd:GdVO4 laser passively mode-locked with saturable output coupler

    Passively mode-locked diode-pumped solid-state (DPSS) Nd:GdVO4 laser by using a saturable output coupler (SOC) in stable two-mirror linear cavity design is demonstrated. The laser was pumped by low-power single l...

    A. K. Zaytsev, C. -L. Wang, C. -H. Lin, C. -L. Pan in Laser Physics (2011)

  3. No Access

    Article

    Using dual-mode self-locked semiconductor laser for optical millimeter-wave application

    In this study, an optical millimeter-wave (mm-wave) generator is proposed and experimentally demonstrated by using a self-injected Fabry-Perot laser diode (FP-LD), having mode spacing of 1.11 nm, for dual-mode...

    C. -H. Yeh, C. -W. Chow, Y. -F. Liu, C. -L. Pan in Laser Physics (2011)

  4. No Access

    Article

    Grain-size-related transient terahertz mobility of femtosecond-laser-annealed polycrystalline silicon

    We investigated carrier-relaxation dynamics of femtosecond laser annealed (FLA) polycrystalline silicon (poly-Si). The correlation between morphology and electrical properties of poly-Si after femtosecond lase...

    Y.-C. Wang, H. Ahn, C.-H. Chuang, Y.-P. Ku, C.-L. Pan in Applied Physics B (2009)

  5. No Access

    Article

    Dependence of terahertz radiation on gap sizes of biased multi-energy arsenic-ion-implanted and semi-insulating GaAs antennas

    We investigate the characteristics of terahertz radiation pulses using biased multi-energy arsenic-ion-implanted and semi-insulating GaAs photoconductive antennas with different gap sizes in terahertz time-dom...

    T.-A. Liu, R.-H. Chou, C.-L. Pan in Applied Physics B (2009)

  6. No Access

    Article

    Optical Constants of Two Typical Liquid Crystals 5CB and PCH5 in the THz Frequency Range

    The complex refractive indices of two benchmark nematic liquid crystal,4-4 ′-n-pentyl-cyanobiphenyl (5CB) and 4-(trans-4′pentylcyclohexyl)-benzonitrile (PCH5) have been determinedin the frequency range from 0.2 t...

    R.-P. Pan, T.-R. Tsai, C.-Y. Chen, C.-L. Pan in Journal of Biological Physics (2003)

  7. No Access

    Article

    Characterization of optically excited terahertz radiation from arsenic-ion-implanted GaAs

    This work characterizes the optically excited terahertz (THz) radiation from arsenic-ion-implanted GaAs (GaAs:As+). We observed phase reversal in the emitted THz radiation field after the semi-insulating GaAs sub...

    G.-R. Lin, C.-L. Pan in Applied Physics B (2001)

  8. No Access

    Article

    Ultrafast response of multi-energy proton-bombarded GaAs photoconductors

    We have investigated the ultrafast optical and optoelectronic characteristics of multi-energy proton-bombarded GaAs (GaAs:H+) material and devices in some detail. Photo-excited carrier lifetimes of GaAs:H+ were o...

    G.-R. Lin, C.-L. Pan in Optical and Quantum Electronics (2000)