Sensitivity characteristics tuning in tapered long-period gratings by nanocoatings

被引：8
|
作者：
Pilla, Pierluigi [1 ]
Giordano, Michele
Korwin-Pawlowski, Michael L.
Bock, Wojtek J.
Cusano, Andrea
机构：
[1] Univ Sannio, Div Optoelect, Dept Engn, I-82100 Benevento, Italy
[2] CNR, Inst Composite & Biomed Mat, IMCB, CNR, I-80055 Portici, NA, Italy
[3] Univ Quebec Outaouais, Ctr Rech Photon, Hull, PQ J8X 3X7, Canada
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2007年 / 19卷 / 17-20期
基金：
加拿大自然科学与工程研究理事会; 加拿大创新基金会;
关键词：
long-period gratings (LPGs); refractive index sensors; syndiotactic polystyrene (sPS); thin film coatings;
D O I：
10.1109/LPT.2007.903779
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：
The experimental analysis of the response of nanocoated tapered long-period gratings to surrounding refractive index (SRI) changes is presented. The modal transition is demonstrated to be an effective method to improve their SRI sensitivity over a broad SRI range. The dip-coating method is shown to be a reliable technique for the deposition of conformal coatings with the necessary thickness control to tune the transition region in the desired SRI range.
引用
收藏
页码：1517 / 1519
页数：3
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