Microstructure on Surface of LiNbO3 :Fe Induced by a Single Ultra-Short Laser Pulse
CHENG Guang-Gua, J.D.White, LIU Qing, WANG Yi-Shan, ZHAO Wei, CHEN Guo-Fu
State Key Laboratory of Transient Optics and Technology, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710068
Microstructure on Surface of LiNbO3 :Fe Induced by a Single Ultra-Short Laser Pulse
CHENG Guang-Gua;J.D.White;LIU Qing;WANG Yi-Shan;ZHAO Wei;CHEN Guo-Fu
State Key Laboratory of Transient Optics and Technology, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710068
关键词 ：
42.65.Re ,
42.82.Cr ,
42.70.Mp ,
06.60.Jn
Abstract ： A tightly-focused femtosecond Ti:sapphire laser pulse is used to initiate micro-explosions on the surface and internal to an Fe:LiNbO3 crystal. The resulting structure is morphologically different from that induced in an isotropic sample such as fused silica. The regular pyramid and irregular pyramid craters on the surface of the sample are produced at different positions of focal points. The craters suggest vaporization of materials in the process of micro-explosion due to the expansion of high temperature plasma. The embossment pyramids on the surface present the dynamical process of large volume material displacements under high temperature and pressure, and re-crystallization of anisotropy crystal materials.
Key words ：
42.65.Re
42.82.Cr
42.70.Mp
06.60.Jn
出版日期: 2003-08-01
:
42.65.Re
(Ultrafast processes; optical pulse generation and pulse compression)
42.82.Cr
(Fabrication techniques; lithography, pattern transfer)
42.70.Mp
(Nonlinear optical crystals)
06.60.Jn
(High-speed techniques)
引用本文:
CHENG Guang-Gua;J.D.White;LIU Qing;WANG Yi-Shan;ZHAO Wei;CHEN Guo-Fu. Microstructure on Surface of LiNbO3 :Fe Induced by a Single Ultra-Short Laser Pulse[J]. 中国物理快报, 2003, 20(8): 1283-1285.
3 :Fe Induced by a Single Ultra-Short Laser Pulse. Chin. Phys. Lett., 2003, 20(8): 1283-1285.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2003/V20/I8/1283
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2003, Vol. 20 
