Fabrication of Magneto-Optical Microstructure by Femtosecond Laser Pulses

摘要：

In this work, we investigated the application of femtosecond laser direct writing in the fabrication of magneto-optical (MO) microstructure. The experiments show that FDLW can introduce positive refractive index change in MO materials. With FLDW, we wrote successfully waveguides in MO glass. The Faraday rotation of the guided beam was measured. The results show that the core part of the waveguide, i.e. the optical damaged area, has lower Verdet constant. With the increase in the writing intensity of femtosecond laser pulses, refractive index change increases, whereas Verdet constant of the damaged area decreases nonlinearly. With suitable writing intensity, we get single mode waveguide of which Verdet constant is 80% of the bulk MO glass.

作者: Yudong Li Xiangyang Gao Weike Shi Guangzi Zhang Qian Sun Jianguo Tian

作者单位: School of Physics, Nankai University, Tianjin 300071, P.R.China

会议类型: 国际会议

会议名称: The First International Conference on Manipulation,Manufacturing and Measurement on the Nanoscale(第一届3M-NANO国际会议)

会议地点: 长春

会议语种:英文

页码: 1-3

在线出版日期: 2011-08-29（万方平台首次上网日期，不代表论文的发表时间）