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  1. No Access

    Article

    Equivalent power densities model for multi-pulse ultrashort pulsed laser processing

    Ultrashort pulsed laser, due to its extremely high peak power density, has been widely used for high precision, rapid and programmable manufacture. Several models, such as two-temperature model (TTM) and a mol...

    Zhaoyuan **a, Jiejuan Zhang, **g Qian, Guande Wang, Quanzhong Zhao in Applied Physics A (2024)

  2. No Access

    Article

    Laser-induced periodic surface structures on 6H-SiC single crystals using temporally delayed femtosecond laser double-pulse trains

    In this paper, a time-delay-adjustable double-pulse train with 800-nm wavelength, 200-fs pulse duration and a repetition rate of 1 kHz, produced by a collinear two-beam optical system like a Mach–Zehnder inter...

    Juan Song, Wenjun Tao, Hui Song, Min Gong, Guohong Ma, Ye Dai… in Applied Physics A (2016)

  3. No Access

    Article

    Azimuthal angle- and scanning pitch-dependent colorization of metals by ultrashort laser pulses

    We report the modification of optical properties of 304 stainless steel surfaces by femtosecond laser direct writing with different scanning pitches. Regularly arranged ripples with a spatial period of ~700 nm...

    Yangbo Li, **g Qian, Feng Bai, Zhuo Wang, Chengwei Wang, Wenzhong Fan… in Applied Physics A (2016)

  4. No Access

    Article

    Modulation of dry tribological property of stainless steel by femtosecond laser surface texturing

    We reported on the modification of tribological properties of stainless steel by femtosecond laser surface microstructuring. Regular arranged micro-grooved textures with different spacing were produced on the ...

    Zhuo Wang, Quanzhong Zhao, Chengwei Wang, Yang Zhang in Applied Physics A (2015)

  5. No Access

    Article

    Space-Selective Precipitation of Au Nanoparticles Inside Silica Gel

    Au colloids were prepared by irradiation with a Nd:YAG laser. Au nanoparticles were characterized by absorption spectra, transmission electron microscopy (TEM) and X-ray diffraction (XRD) analysis. It is found...

    Chongjun Zhao, Shiliang Qu, Quanzhong Zhao… in Journal of Sol-Gel Science and Technology (2006)