Waveguide fabrication in phosphate glasses using femtosecond laser pulses

被引:195
作者
Chan, JW
Huser, TR
Risbud, SH
Hayden, JS
Krol, DM
机构
[1] Lawrence Livermore Natl Lab, Dept Appl Sci, Livermore, CA 94450 USA
[2] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA
[3] Schott Glass Technol Inc, Duryea, PA 18642 USA
关键词
D O I
10.1063/1.1565708
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report on the response of glass to focused femtosecond (fs) laser pulses during waveguide fabrication in a commercial sodium aluminum phosphate glass (Schott IOG-1). Single-pass longitudinal translation of IOG-1 glass with respect to the focused laser beam at a rate of 20 mum/s and pulse energies of 3.5 muJ results in the formation of two waveguides located on opposite sides of the laser-exposed region, which itself does not guide light. This behavior is different from that of the more widely studied silica glass system. The precise location of the waveguides in IOG-1 glass depends on the relative tilt of the fs laser beam with respect to the sample translation direction. Fluorescence imaging of the modified glass using a confocal microscope setup reveals the formation of color center defects in the exposed region but not within the waveguides. (C) 2003 American Institute of Physics.
引用
收藏
页码:2371 / 2373
页数:3
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