Direct characterization of ultraviolet-light-induced refractive index structures by scanning near-field optical microscopy

被引:5
作者
Svalgaard, M [1 ]
Madsen, S
Hvam, JM
Kristensen, M
机构
[1] Tech Univ Denmark, Microelekt Centret, DK-2800 Lyngby, Denmark
[2] Danish Micro Eng AS, Herlev, Denmark
关键词
scanning near-field optical microscopy (SNOM); silica-on-silicon; ultraviolet-induced index changes (photosensitivity);
D O I
10.1109/68.681506
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We have applied a reflection scanning near-field optical microscope to directly probe ultraviolet (UV)-light-induced refractive index structures in planar glass samples. This technique permits direct comparison between topography and refractive index changes (10(-5)-10(-3)) with submicrometer lateral resolution, The proposed method yields detailed information about the topography and index profiles of UV-written waveguides.
引用
收藏
页码:848 / 850
页数:3
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