We show that nano structures in the focus of femtosecond laser are nano-shearings. It is a scissor effect. Part of the shearings is dependent on the direction of laser scanning. It is a pen effect.
© 2007 Optical Society of America
(160.0160) Materials : Materials
(160.2750) Materials : Glass and other amorphous materials
(350.0350) Other areas of optics : Other areas of optics
(350.3450) Other areas of optics : Laser-induced chemistry
B. Poumellec, M. Lancry, J. Poulin, and S. Ani-Joseph, " Scissor and Pen Effect in Femtosecond Laser Writing in Silica," in Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides, OSA Technical Digest (CD) (Optical Society of America, 2007), paper BTuD3.
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