Han Xu

Fabrication of microfluidic channels with a circular cross section using spatiotemporally focused femtosecond laser pulses.

Koji Sugioka, Katsumi Midorikawa, Ya Cheng, 2010, Optics Letters.

Generation of extended filaments of femtosecond pulses in air by use of a single-step phase plate.

See Leang Chin, Ya Cheng, Zhizhan Xu, 2009, Optics letters.